- Grass Valley, California, United States
- US $24.99
- Jan 30th
WE COMBINE SHIPPING DESCRIPTION: Crude 4-bladed adjustable iris/diaphram, possibly from an optical bench setup. Iris goes from fully closed to 3-3/16", angle of each blade can be changed approximately 30° from perpendicular to the center allowing some pretty odd and/or lopsided aperture shapes. Overall size is 10", exclusive of the blade handles sticking out.