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SB800 and flash basics


clearwater, US
214 posts

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dandy49 Registered since 28th Feb 2009
Sun 27-Jan-13 11:01 PM

I don't know why I am still having trouble wrapping my head around the SB800. When the flash head is at 90 degrees (shooting direct at the subject) in TTL, I can get perfect exposure. Now, if I put the diffuser on the flash and the head is still 90 degrees and TTL, does the flash automatically compensate for light loss through the diffuser? Now, if I were to bounce the flash at say 45 degrees, does the flash compensate for any bounce for the head being at 45 degrees? Another question: If you have the camera set at say 5.6 1/60 sec. 400 iso, and you bounce the flash off a white ceiling, I get an underexposure. Now, if I open the aperture to say 4.0, will the flash then try and compensate for the larger opening by automatically powering down the flash because of the TTL or will the flash power remain the same only giving me better exposure because of the larger aperture? I guess you could say that I am still having trouble with under exposure with my flash when I bounce or use a diffuser and don't know how to compensate for the light loss. Thanks, Daniel

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