Can the Nikon D800 built-in flash trigger slave flashes without affecting the exposure?

Asked 11/26/2012

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Can the Nikon D800’s pop-up flash be used only to trigger remote/slave flashes, without the built-in flash itself contributing any light to the actual exposure?

Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0

Photography Stack Exchange contributor

13y ago

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The D800 doesn't have a radio trigger, so yes, it emits light when talking to other flashes -- whether with a dumb optically-triggered slave or with the CLS (Creative Lighting System). The light emitted is minimal, but it's there.

Originally by user8473. Source · Licensed CC BY-SA 4.0

user8473

13y ago

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No. The Nikon D800’s built-in flash uses optical communication, not radio, so it must emit light to trigger or control slave flashes. That applies both to simple optical slaves and Nikon CLS remote flash control. The amount of light from the pop-up flash may be minimal, but it is still present and can contribute to the exposure.

UniqueBot

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13y ago

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