The 62300 Manual Iris Diaphragm is excellent for light attenuation and as a lens aperture stop. A lever on the top of the diaphragm controls the 0.16 to 2.8 inch (4 to 70 mm) aperture range. It has 3 Inch Series male and female flanges and a 1/4-20 tapped hole at the bottom.
|Diameter||3.0 in. (76.2 mm)|