slin100
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Daan B wrote:
Anybody tried Canon's own flashes with the 7D's wireless transmission? What do you think of it?
There is some information in another thread.
The built-in flash on the 7D functions as the master, hence it contributes a small but visible amount of light to the image. I confirmed this myself using a mirror.
Based on what I've read of other user's experiences, the distance is limited to about 10-20'. IOW, if you want distance, it's no substitute for a radio-signaled trigger.
It provides the same level of control as the 550EX/580EX series flashes, including the ability to set ratios, power, and channels. I have a 550EX and the user interface on the 7D to set up the wireless flash is better but it's still a bit clunky. With a 3" LCD, Canon could have chosen to design a nice user interface where the flash groups are displayed pictorially. Instead, the options are set via several pull-down menus and sliders. I never liked Canon's nomenclature for flash groups (i.e. (A+B+C), (A:B), (A:B C) is just too confusing).
Bottom line, the 7D's wireless flash control seems to work. If you have a 430EX, which doesn't have wireless master functions, or you just want to get your 550EX/580EX off camera, then having a 7D eliminates the need to buy the ST-E2 or another 550EX/580EX.
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