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Photonics Buyers' Guide / Iris Diaphragms
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The Photonics Buyers' Guide is a comprehensive resource for verified providers of Iris Diaphragms. Profiles and contact information for manufacturers and suppliers are provided by the companies and verified by our editors. If you have updated information about any of the organizations listed, please contact us.
Glossary
  • iris diaphragm A mechanical device designed to smoothly vary the effective diameter of a lens, thereby controlling the amount of light allowed through.  
  • aperture diaphragm The second adjustable iris diaphragm in an optical system. In the common microscope condenser system, it usually is located beneath the substage condenser on a transmitted light microscope. When the aperture diaphragm is adjusted, the intensity of...
  • light Electromagnetic radiation detectable by the eye, ranging in wavelength from about 400 to 750 nm. In photonic applications light can be considered to cover the nonvisible portion of the spectrum which includes the ultraviolet and the infrared.
iris diaphragmopaque structure with an aperature at its centersmoothly varies the effective diameter of a lenscontrols the amount of light allowed throughstops passage of lightzero apertureaperature stopfield stopflare stopoptics
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