Build your own Speedlight power pack

Speedlite Power Pack Battery

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Canceling Speedlite Custom Function Settings

In step 1, select Clear all Speedlite C.Fn's to clear all the Speedlite's Custom Function settings (except C.Fn-0 Distance indicator display ). External Speedlite control If you use an EX-series Speedlite and the Speedlite Custom Function's Flash metering mode is set to TTL (autoflash) , the flash will always be fired at full output.

With EXseries Speedlites

An EOS-dedicated, EX-series Speedlite makes flash photography as easy as normal shooting. You can easily do the flash operations below. For detailed procedures, see the Speedlite's instruction manual. E-TTL II Is a new autoflash exposure system Incorporating Improved flash exposure control and lens focusing distance Information, making It more precise than the previous E-TTL (evaluative flash metering with preflash) system. The camera can execute E-TTL II autoflash with any EX-series Speedlite. The flash output Is changed automatically for three successive shots (only with FEB-compatlble Speedlites). Set flash exposure bracketing up to 3 stops In 1 3-stop Increments. E-TTL II wireless autoflash with multiple Speedlites As with wired, multiple Speedlites, wireless E-TTL II autoflash with multiple Speedlites provides all the above features. Since connection cords are unnecessary, flexible and sophisticated lighting setups are possible (only with wireless-compatible Speedlites). About EZ...

Setting the External Speedlites

Select either External flash func. setting or External flash C.Fn setting . For details on which external Speedlite settings the camera can set, see the compatible EX-series (such as the 580EX II) Speedlite's instruction manual. Attach the Speedlite to the camera and turn on the Speedlite.

The Speedlite does not fire

Install the batteries in the correct orientation, (p.8) The Speedlite's internal batteries are exhausted. If the flash recycling time is 30 sec. or longer, replace the batteries, (p.8) Install the Speedlite's internal batteries even when you use an external power source, (p.8) Attach the Speedlite securely to the camera. Attach the Speedlite's mounting foot securely to the camera, (p.9) The electrical contacts of the Speedlite and camera are dirty.

ETTL wireless autoflash with multiple Speedlites

E-TTL autoflash can also be implemented with multiple wireless Speedlites. All the features listed above can be used, and no connections codes are required. Sophisticated lighting effects can be obtained as easily as using a Speedlite directly attached to the camera. In difficult focusing conditions, the AF-assist beam is emitted from the 550EX Speedlite, and automatically linked to the active AF point With an external, EOS-dedicated Speedlite, the camera will be a Type-A camera (compatible with E-TTL autoflash).

EOSdedicated EXseries Speedlites

When an EX-series Speedlite is attached to the camera, almost all the autoflash control is done by the camera. In other words, it is like a highoutput flash attached externally in place of the built-in flash. For detailed procedures, see the EX-series Speedlite's instruction manual. The camera is a Type-A camera compatible with all features of EX-series Speedlites. Shoe-mount Speedlites Macro Lites Shoe-mount Speedlites Macro Lites Canon Speedlites other than the EX-series The flash cannot be fired with an EZ E EG ML TL-series Speedlite set in the TTL or A-TTL autoflash mode. Use the Speedlite's manual flash mode instead if provided.

Using One or More Accessory Speedlites

7.5 For this image, I bounced a Canon Speedlite 580EX off the wall to the right of the apples. I also held a silver reflector next to the Speedlite and tilted it down slightly to direct the light a bit. Exposure ISO 100, f 11, 1 3 second. One or more Speedlites provide an excellent portable studio for portraits and still-life shooting. And you can add light stands and light modifiers such as umbrellas and or softboxes, and use a variety of reflectors to produce images that either replicate studio lighting results or enhance existing light. I encourage you to explore the options that multiple Speedlites offer. For detailed information on using Canon Speedlites, be sure to check out the Canon Speedlite System Digital Field Guide by J. Dennis Thomas (Wiley, 2007). 7.6 Here I used two EX-series Speedlites, a 580 EX Speedlite mounted on the camera and bounced off a white reflector held above the flash, and a 550 EX Speedlite to the left of the apples to light the background. The 550 was...

AddOn Modifiers for Speedlites

There are a vast array of modifiers out on the market that offer ways to adjust a Speedlite's light quality, most often to make a more attractive and less harsh lighting effect by softening up and spreading the light. Here are a few that I use and recommend, based on the circumstances of a particular shoot.

Speedlites in Studio or Location

Speedlites can talk to each other and, like humans, can set each other off. You can connect a network of Speedlites together for a basic portrait light setup or to provide accent and background lights for a wedding or other such event. Although Speedlites are small, specular sources, they are, like all auxiliary lighting, tools to boost your creativity and realize your vision. It's simply a matter of how you work with them, and how you get them to do what you want. The 550EX and 580 Speedlites have a switch on the bottom, just above the shoe mount, that will assign the role of Master or Slave, but the 580EX II Master Slave selection happens in the Speedlite's Menu. The unit on the camera is always the Master, and with it, you can control every other Slave unit. Now, there are some caveats. Because the Slave units must see the camera unit, you are limited to a spread of 40 , left and right of the lens axis. You will also need to tilt or swing each flash so the infrared signal window...

Using Other EOSDedicated Speedlites

With an EOS-dedicated Speedlite other than the EX series, TTL autoflash can be used as easily as normal AE modes. The flash exposure is controlled by off-the-film flash metering linked to the focusing point. If an EOS-dedicated Speedlite is used for a subject backlit by a top light, the flash output is reduced automatically to avoid having an unnatural-looking exposure. This is called automatic reduction of flash output.

Remote Triggering with Speedlites

Of course, a few bits and pieces are involved in setting up Speedlites on stands and having them perform like bigger strobes an umbrella swivel to mount strobes on stands, a small umbrella or two, adaptors to use a Speedlite within a softbox, and so on. Once you pull some of these elements together, it's a liberating experience to create a multi-unit lighting kit that can fit in a small bag.

Speedlite light modifiers and umbrellas

Using Speedlites in place of bulkier studio strobe equipment for the same quality lighting is great until you discover a favorite light modifier that's not compatible with the smaller flashes. Photographers are problem-solvers by nature, and given a little thought and ingenuity, you can come up with some simple solutions to lighting problems by thinking them through. Taking some corrugated plastic sign material and stacking several 1-inch-wide by 3-inch-wide pieces together in the shape of your flash lens makes a nifty grid spot for your Speedlite. Wrap some black foam paper from a craft store around the assembly, and you've got a professional-looking piece of gear that's highly functional. Likewise, a product called Cinefoil, which is basically heavy-duty black tinfoil, can be wrapped around your flash head to minimize spill and light only a specific portion of your image. Combine the Speedlites with the Transmitter ST-E2, and you can go wireless and avoid the bother of cords...

Canon Speedlite Transmitter STE

In addition, Canon offers the Speedlite Transmitter ST-E2, a small flash control unit that fits on the camera's hot shoe. The ST-E2 offers wireless control of multiple master and slave Speedlites, and it's a handy way to control multiple flash setups. Control up to three groups of Speedlites, with the ability to control the slave units' IDs. 7.8 The Canon Speedlite Transmitter ST-E2 7.8 The Canon Speedlite Transmitter ST-E2 For multiple off-camera Speedlite shooting, the ST-E2 is invaluable because it gives you cable-less operation and precise flash ratio control. The unit is powered by CR5 lithium batteries. I prefer to use rechargeable CR5s for the ST-E2, which provide approximately 1,000 to 1,500 transmissions per charge.

Choosing a Canon EXseries Speedlite

When choosing a Speedlite, it's important to evaluate your objectives and how you intend to use the flash unit. Questions you might ask yourself include Do you need a portable studio for location assignments Do you want to enhance macro and other nature shooting Do you need a Speedlite only for occasional use Additional considerations include the performance and power of the flash unit, such as the guide number, power output, wide-angle to telephoto coverage, wireless and multi-Speedlite capability, recycle time, ability to maintain consistent color, power conservation, shutter curtain synchronization, Custom Functions, and the availability of a built-in PC terminal and external power packs. Once you know your shooting objectives and the type of functionality and performance you need, you can evaluate Speedlites to see which model best fits your needs.

Using EOSDedicated External Speedlites

With EX-series Speedlites An EOS-dedicated, EX-series Speedlite (optional) makes flash photography as easy as normal shooting. You can easily do the flash operations below. For detailed procedures, see the Speedlite's instruction manual. E-TTL II Is a new autoflash exposure system Incorporating Improved flash exposure control and lens focusing distance Information, making It more precise than the previous E-TTL (evaluative flash metering with preflash) system. The camera can execute E-TTL II autoflash with any EX-series Speedlite. In the same way as normal exposure compensation, you can set exposure compensation for flash. Wth a Speedlite, the flash exposure compensation can be set up to 3 stops in 1 3-stop increments. The flash output is changed automatically for three successive shots (only with FEB-compatible Speedlites). Set flash exposure bracketing up to 3 stops in 1 3-stop increments. E-TTL II Wireless Autoflash with Multiple Speedlites As with wired, multiple Speedlites,...

Exposure considerations with a Speedlite

My own goal with Speedlites is to use an interior location's ambient light for exposure, and to use flash to embellish what available light is there. Of course, this is dependent on what ISO you are willing to shoot at, and how fast your lenses are, among other things. For interiors, I'm strongly biased towards the L primes, so that I can pull in as much ambience as possible, utilizing wide apertures before I add in the flash, but only if enough light is there, and it's attractive. I'll often remain on Aperture Priority and use the flash for catchlight and frontal fill only, adjusting the flash exposure normally somewhere between -2EV and 0EV. In those cases where I can't obtain the aperture and shutter speed I need, I switch over to manual exposure on the camera and set the aperture and shutter speed to what I consider to be technically acceptable in the particular shot or sequence. At that point, the Speedlite takes exposure precedence 6.5 Manual mode, 430EX Speedlite, ISO 1600,...

Older Canon Speedlite flash units

Older Canon Speedlite flash units which lack the letter E in their product name were not designed for EOS cameras. There were Speedlite A models (eg 199A) for old Aseries Canons such as the A1 and AE1 and Speedlite T models (eg 277T) for T-series Canons such as the T50 (but not the T90) and various other special-purpose models. I don't know if all earlier Speedlite products have safe triggering voltages or not. The list maintained by Kevin Bjorke on his Web site suggests that T series flash units are OK and most A series and older flash units are in a grey zone, but you should probably check for yourself.

Speedlites

Canon offers a full range of Speedlite flash units compatible with EOS System cameras for a wide variety of applications and photographers' needs. They range from simple, economical flashes to high-power, highly advanced Speedlites for professional use. Speedlites Speedlite 580EX II Speedlite 430EX Speedlite 220EX Smallest and lightest EOS Speedlite, with full E-TTL compatibility. Speedlite Transmitter Speedlite Transmitter ST-E2 For Speedlites 580EX II and 430EX (also 580EX, 550EX and 420EX).

Speedlite EX

This newest Canon Speedlite (with a GN of 72 at the 28mm zoom setting) is small enough at five ounces to fit in a pocket, and, instead of zooming, uses two fixed coverage levels for 28mm and 50mm focal length lenses. It offers bounce-lighting capabilities, and uses two AA batteries, which provide enough power to recycle the unit in four seconds between flashes. Like its big brothers, the 270X communicates white balance information to the camera and includes a built-in AF assist beam.

External Speedlites

EOS-dedicated, EX-series Speedlites When an EX-series Speedlite (sold separately) is attached to the camera, almost all the autoflash control is done by the camera. In other words, it is like a high-output flash attached externally in place of the built-in flash. For detailed instructions, see the EX-series Speedlite's instruction manual. This camera is a Type-A camera that can use all the features of EX-series Speedlites. (Certain EX-series Speedlites also enable Shutter sync. to be set.) If the flash metering mode is set to TTL autoflash with the Speedlite's Custom Function, the flash will fire at full output only. (Certain EX-series Speedlites also enable Shutter sync. to be set.) If the flash metering mode is set to TTL autoflash with the Speedlite's Custom Function, the flash will fire at full output only. Canon Speedlites other than the EX-series With an EZ E EG ML TL-series Speedlite set in TTL or A-TTL autoflash mode, the flash can be fired at full output only. When using a...

Using Speedlites

Depending on the Speedlite that you use, there are a variety of ways that you can control or modify flash exposure, either by making on-camera adjustments or by using the Speedlite controls. In addition, both the 5D Mark II and the Speedlite's Custom Functions enable you to customize various flash functions to suit your shooting requirements. Because Speedlites differ in functionality, following are some general ideas about the ways in which you can control and modify flash exposure. For specific steps in setting exposure modification, see the instruction manual for the Speedlite(s) that you're using.

Setting Manual Flash with the Slave Unit m

(2) When you use Speedlite Transmitter ST-E2 for wireless or manual 1 Speedlite 430EX (Slave unit) Mini stand (included with 430EX) Speedlite 580EX (On-camera Master unit) Speedlite Transmitter ST-E2 Enables the 430EX to be connected to the camera up to 60 cm 2 ft away. All of the EOS camera's automatic functions can be used. Speedlite Bracket SB-E1

Montaggio e smontaggio del flash

Montare lo Speedlite. * Fare scorrere completamente il piede di montaggio dello Speedlite riel la sede sulla foiocamera. (II piede di monlaggio spunter leggermenle dalla sede.) o Prima dfJno'ri are o smontarek Speedlite , verificare che si a spentc, CANON SPEEDLITE 430 EX II

Using a TypeB Camera

If you use the 430EX with a Type-B camera (TTL autoflash camera), note the available features and restrictions below. When a Type-B camera is used with the 430EX set to autoflash, < TTL> will be displayed on the Speedlite's LCD panel. Flash ratio set with multi-Speedlite wireless flash

Troubleshooting

The Speedlite does not detach from the camera. Loosen the locking ring all the way before detaching the Speedlite. The Speedlite does not fire. The Speedlite's internal batteries are exhausted. Attach the Speedlite securely to the camera. Attach the Speedlite's mounting foot securely to the camera. (p.9) The electrical contacts of the Speedlite and camera are dirty.

About Auto Power

To save battery power, the power will turn off automatically after 90 sec. of idle use. To turn on the Speedlite again, press the shutter button halfway. Or press the Speedlite's test firing button. l l A te > t firing cannot be fired while the camera's operation timer < 2)4 or 66 is active. The Speedlite's settings will be retained in memory even after the power is turned off. To retain the Speedlite's settings when you replace the batteries, replace the batteries within 1 minute after turning off the power.

FEB Flash Exposure Bracketing

With the Canon Speedlite 550EX, three successive flash shots can be bracketed automatically up to + -3 stops in 1 2-stop increments. The flash output is changed for the three shots while the background exposure remains the same. FEB is applied from the 550EX Speedlite. For details, see the Instractions for your Speedlite. Make sure the Speedlite 550EX is ready before taking the next bracketed shot. Singleframe shooting in < > mode is recommended.

Fn AFassist beamFlash firing

Sets the AF-assist to be emitted by the camera or external Speedlite and sets the flash to be fired by the built-in flash or external Speedlite. 0 Emits Fires Enables the AF-assist beam to be emitted only by the external Speedlite and enables the flash to be fired. 3 Emits Does not fire

Balancing ambient and flash lighting

The small size of a Speedlite and its high flash output make it ideal for professional location lighting when your scene is of a manageable size. Speedlites can be placed almost anywhere and dialed in to produce just the right amount of light you need to create a dramatic portrait or interior shot. The exposure controls of the 5D Mark II, in tandem with the settings of a compatible EX-series Speedlite, make balancing ambient and flash simple. I decide what ISO setting I want to use based on the time of day and ambient lighting conditions, taking into consideration whether my subjects are going to be moving. I then set my Speedlite to expose just under the ambient level somewhere between 1 to 2 stops. Exactly matching the ambient level with the Speedlite looks flat and fake in my opinion. Often, my goal is to mask the fact that I used a flash at all.

High Speed Sync FP Flash

When the 550EX Speedlite is set to high-speed sync (Vh) mode, it can automatically synchronize at any shutter speed of 1 200 second or faster, thus providing high-speed sync (FP) flash operation. When high-speed sync is On, the ( h) icon appears in the viewfinder. High-speed sync is effective for portrait photography in the following situations

Nomenclature of external flash units

Canon have made a number of flash units compatible with EOS cameras. The naming system is fairly logical - they're given names such as Speedlite 550EX. Here's what the parts of the name mean Speedlite is the product name for all Canon flash devices. (versus Speedlight for Nikon)

Wireless Multi FlashETTL Autoflash Shooting

Speedlite 550EX has the following three features By using the above features, you can set up a wireless E-TTL autoflash system with multiple Speedlite 550EXs. You can also set a flash output ratio for up to three groups of Speedlites. Also main and sub Speedlites can create the desired flash lighting effect. For details, see the 550EX and ST-E2's Instructions booklet. Macro Ring Lite MR-14EX and Macro Twin Lite MT-24EX can also be used as the master unit, and Speedlite 420EX can also be used as a slave unit.

Thank you for purchasing a Canon product

Speedlite Transmitter ST-E2 is a wireless transmitter which can control up to two Speedlite 550EX groups set as slaves. Manual flash (Flash output set with Speedlite) Multi-flash firing (Set with the Speedlites) With the EOS-3, the following operations are also possible Flash ratio control between two Speedlite slave groups, modeling flash firing, and linkage of AF-assist beam to area AF. With Type B cameras (EOS cameras except Type A models), the ST-E2 can be used only for manual flash and multi-flash photography. See pages 23 to 27 in this booklet and the Speedlite 550EX Instructions.

Wireless Multi Flash System

The Canon Speedlite 550EX has the following three features By using the above features, you can set up a wireless E-TTL autoflash system with up to three Speedlites. You can also set the flash output ratio between the Speedlites to create the desired flash lighting effect.

Fn Shutter curtain sync

By using a slow sync speed, you can create a light trail following a moving subject. The flash fires right before the shutter closes. This Custom Function can be used to obtain 2nd-curtain sync effects even with EX-series Speedlites which do not have this capability. If an EX-series Speedlite having this capability is set for 2nd-curtain sync, it will override this Custom Function.

Dim interiors and exteriors

At a certain point, the lighting level is too low for the above approach. When I can't obtain enough available light illumination to use a fast enough shutter speed or have the aperture stopped down to maintain sharp enough images, I go to plan B manually choose the f-stop and shutter speed that will work for me, don't worry about the background going dark, and shoot away utilizing my Speedlite as the primary lighting source. I use various modifiers in this case 6.9 This room was extremely dark to the eye. 430EX Speedlite, ISO 800, 35mm 1.4L lens, 1 85 second at f 2.8, with a strobe bounced off of the wall, which happened to be a nice shade of white. 6.9 This room was extremely dark to the eye. 430EX Speedlite, ISO 800, 35mm 1.4L lens, 1 85 second at f 2.8, with a strobe bounced off of the wall, which happened to be a nice shade of white.

Working with multiple wireless flash setups

There's perhaps no more fun in flash photography than when you use multiple wireless Speedlites. I use the Speedlite Transmitter ST-E2 or PocketWizards with Speedlites and then add light modifiers depending on the subject and the mood I'm trying to create. With wireless shooting, you have to ensure that the signal between the Speedlites is direct, but in an interior setting, you have a bit more flexibility in setting up the lights. After years of transporting pack and head and monolight systems to location portrait shoots, it's a joy to bring one gear case (in addition to my camera case) that contains all the lighting tools that I need to create beautiful portraits. Manfrotto makes a nifty, lightweight stand the 001B Nano that's perfect for Speedlites and collapses to just 19 inches, which fits nicely in my Lightware flash case. Four Speedlites, five PocketWizard Transceivers, and the Transmitter ST-E2, along with the various connectors and sync cord, provide me with a compact, easily...

Using External Electronic Flash

Canon offers a broad range of accessory electronic flash units for the Digital Rebel XTi. They can be mounted to the flash accessory shoe, or used off-camera with a dedicated cord that plugs into the flash shoe to maintain full communications with the camera for all special features. They range from the Speedlite 580EX (see Figure 7.7), which can correctly expose subjects up to 24 feet away at f 11 and ISO 200, to the 220EX, which is good out to 9 feet at f 11 and ISO 200. (You'll get greater ranges at even higher ISO settings, of course.)

Canon System Overview

From the broad view, Canon offers a complete range of cameras, lenses, Speedlite flashes, and accessories. There are so many options, in fact, that choosing among them is a challenge. Throughout this book, you get detailed information on individual components of the Canon photography system as well as help in choosing components based on your shooting preferences and needs. For now, it's worthwhile to review the overall scope of Canon's photography system.

Wireless multiple flash

The most recent option is Canon's own wireless E-TTL, which lets you set up multiple Speedlite flash units and trigger them remotely using light pulses. (ie this system does not use radios) The Canon system essentially requires E-TTL and supports all associated features - FP flash, FEL and so on. On certain camera bodies, ratio control between different flash units and modelling flash is also available. For more information consult the wireless E-TTL section.

EOS system compatible flash units

This document is concerned primarily with two types of flash technologies built by Canon for use with their EOS cameras - the pop-up integral flash units built into most low and midrange EOS cameras and the external shoe-mounted Speedlite flash units which can be attached to any EOS camera.

Gary Fong Lightsphere

The Lightsphere is a translucent unit with a detachable dome that fits onto the front of the Speedlite. It comes in several versions and sizes for various cameras (www.gary fong.com). I currently use the Lightsphere II. Normally you point the Speedlite straight up with the Lightsphere attached. The concave dome can be attached to the Lightsphere and is most often used in rooms with low ceilings, as it spreads the beam.

Two Classic Flash Techniques

Two of the most frequently used flash techniques are bounce flash and creating a catchlight in the subject's eyes. Bounce flash softens hard flash shadows by diffusing the flash light. Facilitate this by holding the flash in your left hand and the camera in your right. The Speedlite is connected to the camera with the Canon Off-Camera Shoe Cord 2, a small coiled cord that contains all the connections your camera and flash need to communicate with each other. To use bounce flash, turn the flash head so that it points up toward the ceiling or a nearby wall so that the light hits the ceiling or wall and spreads the flash illumination back into your scene. Your light source is now the broad surface you're bouncing your flash into. When the flash head is turned upward, the flash coverage is automatically set to 50mm if the Speedlite is set to automatic zooming.

Wireless Transmission and

The 580EX II can work as either a controller or slave in controlling multiple flashes. For example, with a 580EX II on the camera, you can wirelessly control from one to three individual or groups of 580 or 430 series Speedlites, as well as some earlier generation models, to create multiple strobe setups, all controlled from the Speedlite mounted on the camera. Though not as accurate as E-TTL normally is (and thus all the work to develop E-TTL II), sometimes a flash that reads the light all by itself does a better job. It doesn't care what lens is on or how E-TTL is set, it just does what it does. This sensor has a 20-degree angle, and so is fairly tightly controlled. It is not as good for mixing ambient and flash light as E-TTL nevertheless, the Automatic Sensor is a useful and much-asked-for addition to the Speedlite series. Every photographer should test it against the normal E-TTL exposure methods to determine which methods work best for in particular circumstances. A...

Major Accessories Sold Separately

EOS-Dedicated EX-Series Speedlites 550EX,420EX,220EX Three EOS-dedicated E-TTL autoflash Speedlites are available the high-output zoom flash 550EX, the affordable 420EX, and the compact 220EX. The respective guide numbers of these (ISO 100 in meters) are 55, 42, and 22. All three Speedlites enable E-TTL autoflash, high-speed sync (FP flash), and FE lock. In addition, the 550EX can operate in an easy-to-use wireless, multi-Speedlite system. This is an EOS-dedicated macro ring flash featuring twin flash tubes, guide no. 14 (ISO 100 in meters), and E-TTL autoflash. You can fire one or both flash tubes and control the flash ratio to easily obtain sophisticated lighting effects with E-TTL autoflash. Features include high-speed sync (FP flash) and FE lock. The MR-14EX can operate in a wireless, multi-Speedlite system with a 550EX Speedlite as a slave to provide a variety of macro flash effects.

Choosing The Gear Thats Right For

Patience, however, is a virtue, and so is developing a solid plan to help you build a system that's right for you. From personal experience, I can tell you that there are few things more aggravating than having an expensive lens or Speedlite gather dust in a gear bag. I've also learned that the loss on the resale price of gear I didn't really need or use is sobering enough to keep my personal wish list carefully prioritized.

Flash exposure confirmation

The closest thing in the Canon world can be found on many flash units, not camera bodies. Most Speedlite flash units have a small LED which lights up for two or three seconds, post-exposure, to confirm that there was sufficient light from the flash to illuminate your subject correctly. This is a nuisance since you have to lift your head and peer at the flash back in order to see this light, but I guess at least it's there. Speedlites 480EG, 540EZ, ST-E2 remote transmitter, ML-3 ring flash and all EX flash units.

STE wireless transmitter

Another interesting component of Canon's wireless flash system is the ST-E2 transmitter. This compact unit fits onto a camera's hotshoe and can control external wireless Speedlite flash units, but can't produce any scene-illuminating white light. The ST-E2 contains a small flash bulb, which it uses to send the control signals to other flash units, but the bulb is covered by a filter so that most of its light output is invisible infrared (IR) energy. Since the human eye can't detect IR, the ST-E2 is more discreet in operation than the 550EX when controlling slave units.

List of wirelesscapable flash units and cameras

The Speedlite 550EX and the ST-E2 transmitter both have the ability to act as a master (control) unit. The MR-14EX and MT-24EX macro flashes can also serve as masters, but only with slave units in group C or with slave groups A and B linked to the internal tubes and other slave units in group C (see above). Speedlites 420EX and 550EX can both act as a slave flash when using wireless E-TTL. The MR-14EX and MT-24EX can also act as slave flashes, with the two flash bulbs on each unit assigned to slave groups A and B.

Dedicated or nondedicated flash units

However, by the 1980s camera makers started designing dedicated flash systems which would only work with their own cameras, in order to achieve more precise control over the final results. (and also probably to sell more of their product by discouraging third-party sales) Canon's Speedlite flash units are, therefore, dedicated flash units since they can communicate digitally with EOS cameras. They can work on other cameras in the most basic of ways, but advanced through the lens metering and other features reliant on two-way communication will not work on cameras built by another manufacturer.

TTL and ETTL and EOS film cameras

All film-based Canon EOS cameras at the time of writing support TTL flash metering -the one exception being the oddball Canon EF-M, which was a manual-focus camera that could accept EF-mount lenses but which lacked both autofocus and TTL flash circuitry as a cost-saving measure. (you had to buy an optional flash unit with an external sensor, the Speedlite 200M, if you wanted to do flash photography with the EF-M) All film-based EOS cameras with built-in flashes rely solely on TTL for flash exposure control of those internal flash units.

Table Editorial Photography

Additional Considerations In low-light scenes or indoors, if you're within the flash's range, you can use the built-in or an accessory flash (provided that flash photography is allowed and does not disrupt the proceedings). I've found that bounce flash with an accessory EX-series Speedlite is the most flattering light. If the ceiling is too high to produce a good exposure, you can bounce the flash off a nearby neutral-colored wall or off a silver reflector.

Fn III AFassist beam firing

The Canon Speedlites first emit a beam to determine the flash-to-subject distance and then momentarily project an illuminated red grid onto the subject to assist the camera's autofocusing system. Most times, this is very quick and convenient, but other times, the beam visually intrudes on the intimate event or surroundings and calls undue attention to the photographer. It's wise in these situations to turn this beam off, and here's where you control its operation. As an alternative, you can always look for spectral highlights in your subject and try to focus on them. If the Speedlite's own AF assist beam firing function is set to Disabled, the flash doesn't emit the beam even if the camera's AF assist beam function is set to On. In this case, the flash overrides the camera.

Flash Exposure Compensation

If you use an accessory Speedlite, you can set Flash Exposure Compensation either on the camera or on the Speedlite. However, the compensation that you set on the Speedlite overrides any compensation that you set on the 40D's Setup 2 (yellow) camera menu. If you set compensation on both the Speedlite and the camera, the Speedlite setting overrides what you set on the camera. So the take-away is to set compensation either on the Speedlite or on the camera, but not both. Unless you shoot with the Speedlite on multiple EOS camera bodies, I think setting compensation on the camera is handier simply because the camera's LCD is easier to see and change than it is on the Speedlite's display. To set Flash Exposure Compensation for either the built-in flash or an accessory Speedlite, follow these steps

The Off Camera Shoe Cord

The OCSC 2 is a simple coiled cord with sockets on either end that lets you attach a flash unit to your camera's hotshoe and move the flash independently of the camera, up to a distance of about 60 cm (2 feet). This cord, though expensive, preserves all flash functions including E-TTL if it's available, and is useful for mounting a Speedlite flash to a flash bracket.

Table Macro Photography

Additional Considerations Flowers, plants, insects, and other natural subject in outdoor light usually offer ready-made setup and lighting. If you don't have a garden, local nurseries and greenhouses offer plentiful subjects. Outdoors, you can take a low shooting position, and then shoot upward to use the blue sky as a beautiful backdrop. For indoor shooting of people, musical instrument details, and so on, side window light is often bright enough for shooting on a tripod. Otherwise, a Speedlite or studio system is a good option. Additional Considerations Outdoor light ranging from overcast conditions to bright sunshine are suitable for photos. Try using reflectors to direct light toward a small group or blossom. Macro Speedlites are a great option as well.

Using an external flash unit

In addition to its built-in flash, your camera has a hot shoe, which is photo-geek terminology for a connection that enables you to add an external flash head like the one shown in Figure 5-31. The figure features the Canon Speedlite 580EX II, which currently retails for right around 350.

Disabling the flash but enabling the flashs autofocus assist beam

Turn the Quick Control dial to highlight either Enable or Disable, and then press the Set button. If you choose Disable, neither the built-in flash nor an accessory Speedlite will fire. However, the camera will use the flash's autofocus assist beam to establish focus in low-light scenes. For the camera to use the flash's autofocus assist beam, either pop up the built-in flash by pressing the Flash button on the front of the camera, or mount an accessory EX-series Speedlite. When you halfway press the Shutter button, the flash's autofocus assist beam fires to help the camera establish focus. Also, with Custom Function C.Fn III-5, you can choose whether the AF-assist beam is fired by the camera's built-in flash or by an accessory Speedlite. If this function is set to Disable, the autofocus assist beam is not used. If you've set the Custom Function on the Speedlite for autofocus assist beam firing to Disable, the autofocus assist beam is not used. In short, be sure that the Custom...

Slave settingPower on Channel setting

Speedlite 550ex Zoom

To prevent wireless signals from being transmitted to unrelated Speedlite 550EX units in the vicinity, you can set a channel different from the one used by the unrelated Speedlite 550EX units. One of four channels can be set. The ST-E2 (master) and slave Speedlite(s) must be set to the same channel No. The ST-E2 and Speedlite 550EX must be set to the same channel No. 4 Set the wireless selector to I < SLAVE > . Hereinafter, a Speedlite 550EX set to this mode will be called a slave. When the Speedlite is ready to fire, the AF-assist beam emitter blinks continuously at 1 Hz.

Using FE Lock and Flash Exposure Compensation

Canon offers a broad range of accessory electronic flash units for the EOS 40D. They can be mounted to the flash accessory shoe, or used off-camera with a dedicated cord that plugs into the flash shoe to maintain full communications with the camera for all special features. They range from the Speedlite 580EX (see Figure 7.6), which can correctly expose subjects up to 24 feet away at f 11 and ISO 200, to the 220EX, which is good out to 9 feet at f 11 and ISO 200. (You'll get greater ranges at even higher ISO settings, of course.) There are also two electronic flash units specifically for specialized close-up flash photography.

Front and Rear Curtain Sync

All Canon EOS cameras have two moving curtains in the shutter mechanism. The front curtain opens the shutter, and the rear curtain closes it. The normal operation of the shutter and flash causes the flash to fire immediately when the front curtain opens. This is Front Curtain Sync, and it's fine for most general flash applications. But say your subject is moving and you're panning the camera by using a slow shutter speed to pick up some ambient light. Flash photography in this mode produces motion trails out in front of the object you're tracking to make it look like it's moving backward. The trick is to get the flash to fire right before the shutter closes, thereby showing the motion trails behind the object, and this is exactly what Rear Curtain Sync does. You can set this feature either on the camera or on the Speedlite, but the Speedlite takes precedence over the camera's settings.

External Flash Function Setting

Canon Harici Fla Ayarlar

This menu is available only when you have a compatible dedicated Canon Speedlite electronic flash attached and switched on. The settings available with the 580 EX II and 430 EX are shown in Figure 7.12. If you press the DISP button while adjusting flash settings, both the changes made to the settings of an attached external flash and to the built-in flash will be cleared. Flash mode. This entry allows you to set the flash mode for the external flash, from E-TTL II, A-TTL, or TTL. All three provide through-the-lens flash metering, but with different degrees of sophistication. E-TTL (Evaluative through-the-lens) uses a preflash just prior to taking the picture to allow the camera's metering sensor to read the flash exposure and compare it with ambient light to provide the best exposure. A-TTL (Advanced through-the-lens) metering is an earlier system used with some Canon Speedlites to read illumination through the lens, but concentrate sensitivity on the active focus point, also using a...

Ambient interior and mixed light

Many of the principles of using window light apply when shooting with other main light sources, such as a tungsten lamp placed to one side of the subject. In overhead lit spaces, such as conference rooms, the challenges are similar to working with direct overhead sunlight in that the same lighting creates shadows under the eyes, nose, and chin. In these situations, using either reflectors or a Speedlite fill or bounce flash comes in handy to reduce the shadows and bring up the facial brightness. They can be placed anywhere and, in the case of the flash, manually adjusted to just the right amount of light output that you need.

Fn AFassist beam firing

This function allows you to control whether the Rebel XSi 450D's built-in or an accessory EX Speedlite's autofocus-assist light is used to help the camera's autofocus system establish focus. The AF-assist beam speeds up and ensures sharp focus in low-light or low-contrast scenes where you want to use the flash. Here are the options and a description of each one 0 Enable. This option allows the AF-assist beam from either the built-in flash or a Canon Speedlite mounted on the camera to help the camera focus. Enable is the default setting for the Rebel XSi 450D. 1 Disable. If you choose this option, neither the built-in flash nor the Speedlite AF-assist beam lights to help establish focus. While this option is useful in shooting situations where the AF-assist light may be annoying or intrusive, it may be difficult to establish accurate focus in low-light scenes.

Avoiding Sync Speed Problems

I generally end up with sync speed problems only when shooting in the studio, using studio flash units rather than my T2i's built-in flash or a Canon dedicated Speedlite. That's because if you're using either type of smart flash, the camera knows that a strobe is attached, and remedies any unintentional goof in shutter speed settings. If you happen to set the T2i's shutter to a faster speed in Tv or M mode, the camera will automatically adjust the shutter speed down to 1 200th second. In Av, P, or any of the Basic Zone modes, where the T2i selects the shutter speed, it will never choose a shutter speed higher than 1 200th second when using flash. In P mode, shutter speed is automatically set between 1 60th to 1 200th second when using flash. 2. Mount or connect a compatible Canon Speedlite, such as the 580 EX II, to the T2i, and turn it on.

Imn Custom Function Settings n

When 1 or 2 is set, high-speed sync cannot be used with an external Speedlite. The AF-assist beam can be emitted by the camera's built-in flash or by an external, EOS-dedicated Speedlite. If an external, EOS-dedicated Speedlite is attached, it will emit the AF-assist beam when necessary. The camera's built-in flash will not fire the AF-assist beam. 3 IR AF assist beam only Among EOS-dedicated Speedlites, only those which have an infrared AF-assist beam will be able to emit the beam. This prevents any Speedlite which uses a series of small flashes (like the built-in flash) from firing the AF-assist beam. 0 If the external, EOS-dedicated Speedlite's AF-assist beam firing Custom Function is set to Disabled , the Speedlite will not emit the AF-assist beam even if the camera's C.Fn-7-0 2 3 is set.

Manual flash triggering for light painting

Canon Speedlites with manual controls or old flash units with manual metering are ideal for this - you can take the device off the camera shoe, dial in the appropriate manual flash setting (full power, say, or 1 2 power or 1 16 or whatever) and then trigger the flash by hand. You do this on most Speedlite flash units by pressing the illuminated pilot light on the back of the device - other flash units should have similar manual trigger buttons. If you wear dark clothing and point the flash away from you you shouldn't even appear in the photo. You can't rely on your camera's light meter to help you meter the scene, so this sort of thing is largely a trial and error process. It's helpful to keep the flash the same rough distance from the area to be illuminated for each flash burst.

Exploring Flash Technology

Both the onboard flash and Canon's EX-series Speedlites employ E-TTL II technology. E-TTL stands for Evaluative Through-the-Lens flash exposure control. E-TTL II is a flash technology that receives information from the camera including the focal length of the lens, distance from the subject, exposure settings including aperture, and the camera's built-in evaluative metering system to balance subject exposure with the ambient light. Using one or more accessory Speedlites In addition, the flash automatically figures in the angle of view for the 40D given its cropped image sensor size. Thus, regardless of the focal length of the lens being used, the built-in and EX-series Speedlites automatically adjust the flash zoom mechanism for the best flash angle and to illuminate only key areas of the scene, which conserves power. Altogether, this technology makes the flash very handy for fill light in standard lighting and especially for backlit subjects. With either the built-in flash or a...

Trigger circuit voltage

Note that the damage to the camera can apparently be subtle and cumulative -simply hooking up the flash and seeing if it works is no guarantee that the high voltage isn't slowly damaging your camera's flash circuit. (of course, Canon is probably being a bit conservative with its 6 volt limit, so you probably aren't taking a huge risk if the voltage of your flash unit is a tiny bit over) Note also that the power supply used by the flash is irrelevant - it has no bearing on the trigger voltage. Many Canon Speedlite flash units, for example, can use high voltage battery packs but they still have low trigger voltages. And portable battery-powered flash units may require 6 volts in battery power but nonetheless may step up the trigger voltage considerably.

Using Flash Control Options

When an accessory Speedlite is mounted, you can use the Set-up 2 (yellow) menu to set FEC and to set Evaluative or Average flash metering. In addition, you can change or clear the Custom Function (C.Fn) settings for compatible Speedlites such as the 580 EX II. If the Speedlite functions cannot be set with the camera, these options display a message notifying you that the flash is incompatible with this option. In that case, set the options you want on the Speedlite itself. To change settings for the onboard or compatible accessory EX-series Speedlites, follow these steps 1. Set the camera to a Creative Zone mode such as P, Tv, Av, M, or A-DEP. If you're using an accessory Speedlite, mount it on the camera and turn on the power. The XSi 450D is compatible with the Canon 580EX II, 430EX, 220EX, Macro Ring Lite MR-14X, and Macro Twin Lite MT-24EX, although available options for each Speedlite may vary on the External flash func. setting screen menu that's accessed from the Flash Control...

Existing documentation

Learning more about flash photography with EOS cameras is hard as there's relatively limited information available on the topic. Canon's manuals tend to be fairly short, and not much information has been published about the flash algorithms used by EOS cameras. There's a brochure on the topic - Canon's Flash Work, but unlike the excellent and similarly titled book Lens Work, the flash brochure does not go into much detail. Hove Silver Pixel Press published a book on the Canon Speedlite 540EZ flash unit, which also briefly described other Canon flash units sold at the time, but the book is now apparently out of print. Canon USA did publish two technical booklets on the subject in the early 1990s - the Canon Speedlite Reference Guide and the smaller Canon EOS Speedlite System. However, these are now out of print and don't cover E-TTL technology. The Speedlite Reference Guide is a very useful resource for learning more about TTL and A-TTL flash, however. Many thanks to Brett Cheng for...

Only external flash emits

If you choose this option, the AF-assist beam emits only when a Canon Speedlite is mounted on the camera's hot shoe. The Speedlite's AF-assist beam is more powerful than the beam of the built-in flash, and that makes this option good for low-light and low-contrast subjects that are farther away from the camera. However, be aware that if you have set the Custom Function on the Speedlite so that the AF-assist beam does not fire, then the Speedlite's Custom Function option overrides the camera's Custom Function option.

Using Multiple Light Sources

Studio Amrela 400d

If you want to use multiple electronic flash units, the Canon Speedlites described earlier will serve admirably. The two higher-end models can be used with Canon's wireless E-TTL feature, which allows you to set up to three separate groups of flash units (several flashes can be included in each group) and trigger them using a master flash (such as the 580EX) and the camera. Just set up one master unit (there's a switch on the unit's foot that sets it for master mode) and arrange the compatible slave units around your subject. You can set the relative power of each unit separately, thereby controlling how much of the scene's illumination comes from the main flash, and how much from the auxiliary flash units, which can be used as fill flash, background lights, or, if you're careful, to illuminate the hair of portrait subjects. Finally, some flash units have an optical slave trigger built in, or can be fitted with one, so that they fire automatically when another flash, including your...

Balancing lighting extremes

A little creative use of exposure modification on both the 5D Mark II and a Speedlite can help balance unequal lighting, such as a dim indoor scene and a bright outdoor view. The trick is to blend the extremes. With Speedlites that allow manual adjustment, a negative compensation for both the camera exposure and the flash works to balance the differences in light in the room with the brighter outdoor light. I also encourage you to explore the many lighting options that multiple Speedlites offer. As someone who has lugged around more than my share of heavy lighting equipment for years, carrying one Lightware case of Speedlites, connectors, and stands and getting terrific results has made location shoots a lot more fun. For more detailed information on using Canon Speedlites, check out the Canon Speedlite System Digital Field Guide by J. Dennis Thomas (Wiley, 2007). 7.12 This designer's spa exposure was ISO 100, f 22, 8 sec., with a 580EX Speedlite set to -1 Flash Exposure Compensation...

Using an External Flash

The Speedlight 430EX II has a guide number of 141 feet 43 meters, whereas the Speedlight 580EX II, Canon's largest external flash unit, has a guide number of 191 feet 58 meters. So, if you're willing to spend the money (and carry an extra component), you can pack a lot of illumination power into your camera bag.

Disabling the flash but enabling the flashs autofocusassist beam

Choose Disable, neither the built-in flash nor an accessory Speedlite will fire. However, the camera will use the flash's AF-assist beam to establish focus in low-light scenes. 5. Pop up the built-in flash by pressing the Flash button on the front of the camera, or mount an accessory EX-series Speedlite, press the Shutter button halfway to focus, and then press the Shutter button completely to make the picture. When you press the Shutter button halfway, the flash's AF-assist beam fires to help the camera establish focus. Also, with Custom Function, C.Fn-7, you can choose whether the AF-assist beam is fired by the camera's built-in flash or by an accessory Speedlite. If this function is set to 1 Disable, the AF-assist beam is not used. If you've set the Custom Function on the Speedlite for AF-assist beam firing to Disable, the AF-assist beam is not used regardless of what option you choose on the camera for C.Fn-7. You can also select option 2 Only external flash emits so that only the...

Canon offcamera shoe cord

6.2 The ST-E2 Speedlite Transmitter on top and the OC-E3 off-camera shoe cord below it. 6.2 The ST-E2 Speedlite Transmitter on top and the OC-E3 off-camera shoe cord below it. CP-E4. The battery pack is worn on the waist, containing eight AA lithium, alkaline, or rechargeable NiCd or NiMH batteries. It works with the 580 550 540 series Speedlites, but it does not work with the 430 series. Note You can access information on the Canon Speedlites through any of the global Canon Web sites. The largest and most capable of the Speedlite line, the 580EX II includes improved dust and water resistance, particularly combined with the EOS-1D 1Ds Mark III. It has a noticeably improved build and feel over the original 580 EX, including the quick-lock setup for attaching the flash to the camera's hot shoe. Many of the functions of the 580EX II can be set and controlled either from the camera or the flash. On the camera you can make the selections under Selection Menu 2, the External Speedlite...

Using an Externally Mounted Flash Sold Separately

You can make your flash photography even clearer and more natural appearing with the use of a separately sold externally mounted flash. The camera's auto exposure function will operate with a Canon Speedlite 220EX, 430EX II or 580EX II (except with the M mode or when Flash Mode is set to Manual ). Other flashes may fire manually or not fire at all. * Certain functions noted in the manuals for the Canon Speedlite 220EX, 430EX II and 580EX II cannot be performed when mounted on this camera. Please read this guide before using one of these flashes on the camera. When using Canon mounted flashes other than the Speedlite EX series, automatic red-eye correction is not available.

Shooting Nature Landscape and Travel Images

10.3 With one Speedlite positioned behind the ice cave formation set to fire once and the shutter open for 60 seconds, I used a second Speedlite to paint the scene with four pops of a flash set to manual full power. ISO 400, f 16, 60 sec., with an EX 16-35mm f 2.8L USM lens. 10.3 With one Speedlite positioned behind the ice cave formation set to fire once and the shutter open for 60 seconds, I used a second Speedlite to paint the scene with four pops of a flash set to manual full power. ISO 400, f 16, 60 sec., with an EX 16-35mm f 2.8L USM lens.

Exploring ETTL Technology

Canon Manual Focus Liveview

The latest Canon EX-series Speedlites employ E-TTL II technology. E-TTL stands for Evaluative Through-the-Lens flash exposure control. In simple terms, E-TTL II technology receives information from the camera, including the focal length of the lens, the distance from the subject, the exposure settings (including aperture), and the camera's built-in metering system to balance subject exposure with the ambient light. 7.1 A 580EX Speedlite at 1 4 power shooting through a small white umbrella and another one at 1 8 power undiffused combined with a third Speedlite for the background provided the lighting for this business portrait. The In more specific terms, with E-TTL II, the flash created catchlights that add vitality and camera's meter reads through the lens but sparkle to the eyes. ISO 100, f 5.6, 1 160 not off the focal plane. With the Speedlite sec., with an EF 100mm f 28 USM lens. mounted on the camera, after the Shutter button is fully pressed but before the reflex mirror goes up,...

Long exp noise reduction

Color Aberration Correction Off Canon

C.Fn 5 Auto Lighting Optimizer This new function looks at your exposures and determines if they are too dark or lacking in contrast if they are, it corrects them as best it can. Depending on the actual shooting conditions, some additional noise may be generated. Please note that this function will not operate with manual exposures, RAW, or RAW + L files, but it does automatically work in any Basic Zone mode. C.Fn 6 AF-Assist Beam Firing The camera emits a beam to assist the auto focus mechanism. You can enable it, disable it, or allow it to work only through a Canon Speedlite. C.Fn 7 AF during Live View Shooting Choosing either the Quick Mode or Live Mode option will allow you to auto focus through the LCD screen when Live View Shooting is enabled. Use the FEL button to achieve focus and press the shutter when the moment is right. C.Fn 8 Mirror Lockup Long exposures or extreme close-up photography will often display a slightly unsharp image or a faint ghost image caused by the slight...

External battery packs

A number of other companies also sell high-power battery packs compatible with the Canon Speedlite high-voltage connector. These products include Quantum Instruments' Turbo (lead-acid) and Turbo Z (NiCad), Lumedyne's Cycler and Dynalite's Jackrabbit. Speedlites 430EZ, 540EZ, 550EX, 480EG*, MR-14EX and MT-24EX.

Additional Canon System Components

The most expensive components of a photography system are camera bodies and lenses, but a variety of accessories increase your creative options. Additional components include Canon Softmat filters and close-up lenses, teleconvertors to increase the effective focal length of lenses, Speedlite flashes, circular polarizing and haze filters, a variety of remote control accessories, a wireless file transmitter, a data verification kit, a variety of eyecups and extenders, angle finders, and focusing screens. For lighting on the go, Canon offers the 580EX II, 430EX, and 220EX Speedlites. The ST-E2 transmitter allows control of slave flashes for up to 33 feet outdoors and almost 50 feet indoors. Macro photographers can benefit from the Macro Twin Lite MT-24EX or the Macro Ring Lite MR-14EX. In addition, you can add a variety of battery packs and magazines, hot-shoe adapters, TTL (through-the-lens) distributors, and off-camera shoe cords. A body, lens, and flash made a complete system for this...

Using the Onboard Flash

Flash Control menu options include the ability to turn off firing of the built-in flash and an accessory flash, shutter sync with first or second curtain, and Evaluative or Average metering. The XSi 450D also allows you to set Custom Functions for an accessory EX-series Speedlite through the Set-up 3 (yellow) camera menu a handy feature that allows you to use the camera's larger size LCD to set up external flash functions. Control of Red-eye reduction is also provided on the Shooting 1 (red) menu.

Cameraspecific notes on AF assist lights

Sadly, this restriction was pretty short-sighted, since later Speedlite flash units handily cover all the focus points of multiple focus point cameras, but these older camera bodies still doggedly rely on the body AF light only. And the body's AF assist light can be blocked by larger lenses or lens hoods. Luckily, the body's AF assist light has a reasonable range - only slightly shorter than most external flash units. The EOS 300 Rebel 2000, EOS 30 Elan 7 and other EOS cameras which lack a red AF assist light on the body you can always use the AF assist light on a flash unit if you want to avoid the irritating main flash pulses used by your camera as an AF assist light. Some of the smaller Speedlite flashes are quite compact and can easily be packed in a camera bag, though the tiniest don't cover multiple focussing points, limiting you to the central point. The ST-E2 transmitter covers all 45 of the EOS 3's focussing points, all of the D30 D60 points, and 5 of the 7 points of the Elan...

Take the picture

If you set flash exposure compensation with both the EX-series Speedlite and camera, the Speedlite's flash exposure compensation setting will override the camera's. If you set EX-series Speedlite's flash exposure compensation with the Speedlite, any flash exposure compensation set with the camera will be overridden. The procedure is the same when using an EX-series Speedlite. The Speedlite's flash exposure compensation can be set with the camera.

Flash Photography

The EOS D30 can take easy, natural-looking flash pictures with correct subject illumination using E-TTL autoflash (preflash evaluative metering in memory) and either the camera's built-in flash or any EOS-dedicated EXseries Speedlite. The procedure is as easy as a normal AE shot. This chapter describes how to take flash pictures with the built-in flash, with the EOS-dedicated 550EX Speedlite, or other types of external flash.

Illumination

The EOS 10D can take easy, natural-looking flash shots with correct subject illumination using E-TTL autoflash (preflash evaluative metering in memory) using either the camera's built-in flash or any EOS-dedicated EX-series Speedlite. The procedure is as easy as a normal AE shot. This chapter explains how to take flash shots with the built-in flash and EOS-dedicated Speedlite 550EX. For details on Speedlite 550EX, see the 550EX Instructions booklet.

Low light

The EOS-1Ds Mark III has opened up possibilities of photographing with professional results in low light that were previously unavailable. This is particularly true when you combine using your Speedlite with the Canon L-series primes, and shoot toward the wide end of the aperture. 6.8 This is an example of using your Speedlite as fill flash to supplement attractive though low-level available light. 430EX Speedlite, ISO 800, 24-70mm 2.8L lens at 70mm, 1 125 second at f 3.5. 6.8 This is an example of using your Speedlite as fill flash to supplement attractive though low-level available light. 430EX Speedlite, ISO 800, 24-70mm 2.8L lens at 70mm, 1 125 second at f 3.5. is different, which is one of the challenges and joys of working with Speedlites as well as mixing flash with ambient light.

Sto Fen modifier

Sto-Fen makes the ubiquitous small, white, block-shaped translucent box that slides over the top of Speedlites and other portable flashes. You'll most often see the Speedlite pointing upward at a 45-degree angle. The light qualtiy emitted by the Sto-Fen modifier lies between direct flash and softer as well as bigger modifiers it aims light at the subject as well as in all

Using a flash

When shooting in Live View with an EXseries Speedlite using either Silent mode 1 or 2 (detailed later in this chapter), the shooting sequence after fully pressing the Shutter button is for the reflex mirror to drop to allow the camera to gather the pre-flash data, and then the mirror moves up out of the optical path for the actual exposure. As a result, you hear two shutter clicks, but only one image is taken. With an EX-series Speedlite, FE Lock, modeling flash, and test firing cannot be used, and the Speedlite's Custom Functions cannot be set on the flash unit.

Camera operation

With the EOS-3, make sure the ST-E2's flash ratio control lamp is off. (If necessary, press the < RATIO > button to turn it off.) If the flash ratio control lamp is on, the Speedlite may not fire or a correct exposure may not be attained. After turning off the flash ratio control lamp, set the main switch to < HOLD > to prevent the flash ratio control lamp from lighting inadvertantly.

Daylight

A workable exposure level will almost always be there in daylight, you don't need a Speedlite for exposure. The issue is more one of controlling contrast as well as achieving the look you want. Oftentimes this can be done without using your Speedlite by choosing your camera angle carefully to make the best aesthetic use of the available light, and other times, if an assistant is there, by holding a flex-fill or other reflector to bounce light back toward the face. I'm always looking for the best light and seeing if using the Speedlite is, in fact, the most appropriate way to light the subject.

Flash units

Flash unit with 28mm fixed coverage (no zoom motor) Speedlite 220EX. Flash units with 35mm fixed coverage (no zoom motor) Speedlites 160E, 200E*, 480EG**. Macro flash units (no zoom motor) Speedlites ML-3, MR-14EX, MT-24EX. Flash unit with hand-operated four-position 24-85mm (24-35-50-85mm) zoom head (no zoom motor) Speedlite 300TL. Speedlite 300EZ. Flash units with automatic six-position 24-80mm (24-28-35-50-70-80mm) zoom coverage with manual override Speedlites 420EZ, 430EZ. Flash units with automatic-only six-position 24-105mm (24-28-35-50-70-105mm) zoom coverage no manual override Speedlites 380EX, 420EX. Flash units with automatic seven-position 24-105mm (24-28-35-50-70-80-105mm) zoom coverage with manual override Speedlites 540EZ, 550EX.

Offcamera setups

With the Canon EOS Speedlites, there are two ways to shoot off-camera wired or wireless. There is the OC-E3 off-camera shoe cord, the ST-E2 wireless transmitter, and the 580EX II when used as a transmitter as well as a flash. pay is that, when shooting handheld and holding both the camera as well as the Speedlite, your left hand is now holding the Speedlite, and so operating the camera now becomes a one-hand operation. It does take some practice, but it offers many instant lighting opportunities, particularly in rooms with good bounce surfaces, such as white walls and ceilings, and warm wood floors. Of course, there is always the option to mount the Speedlite on a stand and the camera on a tripod while we're at it. This is an option often not appropriate while doing reportagetype work where you're following the action as it unfolds. But for portraits and other occasions where the pace can be controlled by the photographer, it's a great way to go.

Strobe and flash

We also have the additional confusion that arises from flash having four meanings -a verb meaning to produce a pulse of light, a flash of light, flash-based photography in general and a flash-producing device. Finally, we have Speedlite and Speedlight, which are the tradenames used by Canon and Nikon respectively for their series of electronic flash units.

Midday

For midday pictures, the Daylight White Balance setting on the 40D is a reliable choice. If you take portraits during this time of day, use the built-in flash or an accessory flash to fill dark shadows. You can set flash exposure compensation in 1 3- or 1 2-stop increments to get just the right amount of fill light using either the built-in flash or an accessory Speedlite.

Powershot

PowerShot S Series cameras put all of the zooming power you want in a compact camera that creates both still images and movies of the highest quality. Though simple to operate, they offer advanced users a world of creative options with a wide range of accessories and a hot shoe adapter for Speedlite EX Series external flashes.

Lighting

If you use an accessory flash, such as the Canon Speedlite 580EX II, buy a sync cord or flash bracket so you can position the flash unit farther away from the lens. With an accessory flash unit, you can also point the flash head toward a neutral color (or white) ceiling or wall to bounce the flash. The bounced light is diffused producing a much softer and more flattering light. You can use an accessory flash unit to fill shadows, stop action in lower-light scenes, and add a point of sharpness in panned shots.

Accessory Flash

At the time of this writing, Canon's flagship accessory strobe is the 580EX-II Speedlite, a beautiful, slim, relatively lightweight product that can do wonderful things either by itself or linked with many additional units (I've heard of as many as 36 ). Unlike the earlier 580EX, the EX-II adds Auto to its Mode list, along with E-TTL and Manual, a feature many photographers feel will bring the Speedlite line back into the race as a full-featured unit capable of delivering what the photographic community says it wants. If you want the most controllable results from your Speedlites, you must learn and note their power output in Manual mode. When you know what the true output is, and at what f-stop, a whole new world of controlled imagery is literally at your fingertips. Canon's Speedlites have many other features, all designed to help you make better pictures. Speedlites offer High-Speed Sync (FP Flash), which lets you use flash at any shutter speed, up to the maximum 1 8000 second. To...

Where Can I Get Speedlite Power Pack Battery

Free version of Speedlite Power Pack Battery can not be found on the internet. And you can safely download your risk free copy of Speedlite Power Pack Battery from the special discount link below.

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