F-number
Definition & Meaning
Part of speech noun
Quick meaning: F-number is a noun meaning (photography) The ratio of the focal length of a lens to its diameter; a measure of the light-gathering ability of the lens.
Meaning
(photography) The ratio of the focal length of a lens to its diameter; a measure of the light-gathering ability of the lens.
Word Forms
- f-numbers
Synonyms for f-number
Depending on context, synonyms include f-value.
Related Words
Related dictionary entries include f-value, f-stop, stop, fisheye, fiducial, femtofarad.
Related Dictionary Tools
Sources & Attribution
FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0
Dictionary data is provided by FreeDictionaryAPI.com and sourced from Wiktionary under its stated license.