Manual Iris Diaphragm, 0.04 to 1.0 in. Range, 1.5 Inch Flange

The 71400 Manual Iris Diaphragm is excellent for light attenuation or as a lens aperture stop. A lever on the top of the diaphragm controls the 1 to 25 mm aperture range. It has 1.5 Inch Series male and female flanges and a 1/4-20 tapped hole at the bottom.