English Explanatory Dictionary

f-stop

English dictionary entry

Meanings

noun

Any of the discrete steps or stopping points for adjusting the aperture of a lens, either marked on a ring on the lens and adjusted by rotating that ring or marked in the display of a digital camera and adjusted by buttons or touch-sensitive controls.

Word forms

f-stop f-stops f stop f/stop

Etymology

f is short for focal.

Related words

f-number

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