About Wireless Flash

With multiple Canon Speedlites having the wireless flash feature, you can create various lighting effects with the same ease as using normal E-TTL II autoflash. The settings you input with the 580EX (master unit) attached to the camera are also transmitted to the slave units which are controlled by the master unit via wireless. Thus, you need not operate the slave units at all during the shoot. The basic wireless set-up is illustrated below. Then all you do is set the master unit to < ETTL>...

Calculating the Shutter Speed

During stroboscopic flash, the shutter should remain open until the firing stops. Use the formula below to calculate the shutter speed and set it with the camera. Number of flashes -f Firing frequency (Hz) Shutter speed For example, if the number of flashes is 10 and the firing frequency is 5 Hz, the shutter speed should be at least 2 sec. To avoid overheating and deteriorating the flash head, do not fire more than 10 stroboscopic bursts. Then allow the Speedlite to rest for at least 10 min....

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 gt t firing cannot be fired while the camera's operation timer lt 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...

Using Ettlii and ETTL Autoflash in the Shooting Modes

Just set the camera's shooting mode to lt Av gt aperture-priority AE , lt Tv gt shutter-priority AE , or lt M gt manual and you can use E-TTL ll E-TTL autoflash. Select this mode when you want to set the shutter speed manually. The camera will then automatically set the aperture matching the shutter speed to obtain If the aperture display blinks, it means that the background exposure will be underexposed or overexposed. Adjust the shutter speed until the aperture display stops blinking. Select...

Custom Function Settings

Standard exposure Decreased exposure Increased exposure Decreased exposure Standard exposure Increased exposure Cancellation of slave unit's auto power off Cancellable with master unit within 1 hour Cancellable with master unit within 8 hours Flash recycling method when external power source is used Recycle with both the Speedlite and external power source Recycle with only the external power source Quick flash with continuous shooting Modeling flash with test firing button Auto setting of...

Recycling Time and Flash Count with sizeAA alkaline batteries

Based on new size-AA alkarine batteries and Canon's testing standards. Quick flash enables a flash to be fired before flash-ready p.10 . Based on new size-AA alkarine batteries and Canon's testing standards. Quick flash enables a flash to be fired before flash-ready p.10 . Since the shape of their contacts is not standardized, using non-alkaline size-AA batteries may result in faulty battery connection. Use four new batteries of the same brand and type. Do not mix battery types. When replacing...

Using the Wide Panel

Pull out the wide panel and place it over the flash head as shown. The flash coverage will then be extended to 14mm. . The catchlight panel will come out at the same time. Push the catchlight panel back in. The lt ZOOM gt button will not work. If you use bounce flash with the wide panel in place, the entire display on the LCD panel will blink as a warning. Since the subject will be illuminated by both the bounce flash and direct flash, it will look unnatural. Pull out the wide panel gently....