Meaning Of The Word Relative aperture
What's the definition of Relative aperture? Find Relative aperture meanings, definitions and more at the Real Dictionary online.
Relative aperture Meaning
| Relative aperture Definition |
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What's The Definition Of Relative aperture?
relative aperture in American English
noun: the ratio of the diameter of a lens, esp. a camera lens, to the focal length; the reciprocal of the f number or focal ratio of the lens relative aperture in British English noun: the ratio of the equivalent focal length of a lens to the effective aperture of the lens; written as f/n, f:n, or fn, where n is the numerical value of this ratio and is equivalent to the f-number |
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