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Flash setting for slave flash on D800E

gkaiseril

Chicago, US
6739 posts

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"RE: Flash setting for slave flash on D800E"

gkaiseril Gold Member Nikonian since 28th Oct 2005
Tue 13-Nov-12 03:06 PM | edited Tue 13-Nov-12 03:12 PM by gkaiseril

If you are capturing the trigger flash, which occurs while the shutter is open, you will need to use the SG-3IR or an IR filter over the pop-up flash to block the visible light. You could also use the SU-800 which provides IR only control.

The Nikon AWS system uses IR, Infra Red, light to communicate and control the remote units. The pre-flashes trigger each group individually for computing the exposure before the camera's shutter is opened. There is a trigger flash after the camera shutter is opened, synchronizing all the flashes to fire while the shutter is open. See "New CLS Preflash Sequence Images" for a lengthy and sometimes technical discussion bout how the AWS system works, flash sequences, timing, and coding.

George
My Nikonian Galleries

A topic tagged as having a question Flash setting for slave flash on D800E [View all] , Herbc , Mon 12-Nov-12 12:59 PM
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