Definition of <I>f</I> number (<I>f</I>/#)

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Photonics Spectra BioPhotonics Vision Spectra Virtual Events & Summits Educational Institutions Add/Update Your Listing Exhibitor Listing Portal Become an Exhibitor Buyers' Guide Print Edition Marketplace Help

Excelitas PCO GmbH - Industrial Camera 11-24 VS LB

Photonics Dictionary

f number (f/#): The expression denoting the ratio of the equivalent focal length of a lens to the diameter of its entrance pupil.

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f number (f/#)