Anti-flicker not needed for flash?

Started 3 months ago | Questions thread
Rico Tudor Contributing Member • Posts: 966
Re: Anti-flicker not needed for flash?

if using an on camera speedlight for indoor group photos under fluorescent lights, there is no need to use the anti-flicker function?

It depends on the fluorescent fixture. The common US variety flickers at 120Hz: at exposures near 1/120s, a pronounced color shift is easily observed within the frame. A fancier electronic ballast moves the frequency above 20kHz. The anti-flicker feature of modern cameras really works if you need it, and allows consistent blending of light from electronic flash. You still need to color-match the light by gelling the flash. Note that color temps vary from fixture to fixture even of the same kind, so good luck!

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