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Iris Diaphragms
An iris diaphragm is 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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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 Diaphragms Suppliers
iris diaphragm
opaque structure with an aperature at its center
smoothly varies the effective diameter of a lens
controls the amount of light allowed through
stops passage of light
zero aperture
aperature stop
field stop
flare stop
optics
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