Definition of iris diaphragm

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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

Photonics Dictionary

iris diaphragm

A mechanical device designed to smoothly vary the effective diameter of a lens, thereby controlling the amount of light allowed through.

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