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 5-29. The figure features the Canon Speedlite 580EX II, which currently retails for right around $350.
Although certainly not the cheapest of camera accessories, an external flash may be a worthwhile investment if you do a lot of flash photography, especially portraits. For one thing, an external flash offers greater power, enabling you to illuminate a larger area than you can with a built-in flash. And with flash units like the one in Figure 5-29, you can rotate the flash head so that the flash light bounces off a wall or ceiling instead of hitting your subject directly. This results in softer lighting and can eliminate the harsh shadows often caused by the strong, narrowly focused light of a built-in flash. (Chapter 7 offers an example of the difference this lighting technique can make in portraits.)
Whether the investment in an external flash will be worthwhile depends on the kind of photography you want to do. However, if you simply want a softer, more diffused light than your built-in flash produces, you have another option: You can buy a flash diffuser attachment like the one shown in Figure 5-30. This diffuser, made by LumiQuest (www.lumiquest.com), sells for just $13 and is a heck of a lot lighter and smaller to tuck into your camera bag than a flash head. This is just one of many diffuser designs, so visit your camera store to compare all your options.
If you do decide to purchase an external flash, you may also want to dig into some of the many books that concentrate solely on flash photography. There's a lot more to that game than you may imagine, and you'll no doubt discover some great ideas about lighting your pictures with flash. You can start with Chapter 7, which provides some specific examples of how to get better flash results when you shoot portraits, whether you go with the built-in flash, an external flash, or, my favorite, no flash.
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