About The Word Focal ratio
Learn about the word Focal ratio to help solve your crossword puzzle. Discover Focal ratio definitions and meaning, origins, synonyms, related terms and more at the free Crossword Dictionary.
Focal ratio
| Focal ratio Definition And Meaning |
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What's The Definition Of Focal ratio?
[n] the ratio of the focal length to the diameter of a (camera) lens system
Synonyms | Synonyms for Focal ratio: f number | speed | stop number Related Terms | Find terms related to Focal ratio: See Also | ratio |
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