The 71400 Manual Iris Diaphragm is excellent for light attenuation and as a lens aperture stop. A lever on the top of the diaphragm controls the 0.06 to 1 inch (1.5 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.
Model: 71400 » View Series Overview
Manual Iris Diaphragm, 0.06 to 1.0 in. Range, 1.5 Inch Flange
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