A variable aperture iris diaphragm is used to control / regulate the light intensity in an optical set-up / equipment. It is also used after a spatial filter assembly to allow the central diffraction ring while blocking the other ones.
Model No. | Max. aperture (mm) | Min. aperture (mm) |
CIRIS12 | 12 | 1.2 |
CIRIS22 | 22 | 2 |
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CRESCENT COMPONENTS AND SYSTEMS
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