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Flash Value Lock

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The Flash Value, or FV is the amount of light exposing the subject. You can lock this value with certain digital SLR cameras, often using a dedicated button "Fv lock".

Locking the flash value (the flash exposure) gives you a main subject that is lit with the same amount of light no matter if you are changing the composition, zoom in or out or change the aperture.

See also: the article What is flash value lock? with sample images.

Nikonians Photo Glossary

  • This page was last modified on 24 January 2021, at 10:21.
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