Definition of effective <I>f</I> number

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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 - PCO.Edge 11-24 BIO LB

Photonics Dictionary

effective f number: For a lens with an obscured or noncircular aperture, the focal length divided by the effective aperture.

Opto Diode Corp. - Detector Spotlight 10-24 MR

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effective f number