f-numbers

A form of f-number — The ratio of the focal length of a lens to its diameter; a measure of the light-gathering ability of the lens.

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Meanings

noun
  1. pluralplural of f-number
Cite this entry
APA

f-numbers. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/f-numbers

MLA

“f-numbers.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/f-numbers. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “f-numbers,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/f-numbers.

Source: f-numbers on Wiktionary, CC BY-SA 4.0.