The 62290 Manual Iris Diaphragm is excellent for light attenuation and as a lens aperture stop. A lever on the top of the diaphragm controls the 0.13 to 2.0 inch (3.2 to 50 mm) aperture range. It has 2 Inch Series male and female flanges and a 1/4-20 tapped hole at the bottom.
|Diameter||2.0 in. (50.8 mm)|
|Flange Series Size||2.0 Inch|