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.
Part No |
Min Aperture (mm) |
Max Aperture (mm) |
Cost (Rs) |
CIRIS-12 |
1.2 |
12 |
3250/- |
CIRIS-22 |
2 |
22 |
4250/- |