Meaning Of The Word Focal ratio
What's the definition of Focal ratio? Find Focal ratio meanings, definitions and more at the Real Dictionary online.
Focal ratio Meaning
| Focal ratio Definition |
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What's The Definition Of Focal ratio?
f-number in British English
noun: the numerical value of the relative aperture. If the relative aperture is f8, 8 is the f-number and indicates that the focal length of the lens is 8 times the size of the lens aperture focal ratio in American English noun: f-number focal ratio in British English noun |
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