Top quality standard Aperture Adjustable Optical Iris Diaphragm

In optical experiments, we often need focal light source or control the light. The Unmounted High-Power Adjustable Iris Diaphragms are feasible with continuously adjustable clear aperture.

1.Black, Spring-Steel Leaves

2.Lever-Actuated Iris Diaphgrams

3.Continuouslyvariable aperture control

4. Used conveniently

5.Clear Aperture