Optical Filter Holder, Quick Change, 1.75 - 2 in., 1.6 in. Clear Aperture

The 71260 Quick Change Filter Holder provide the ability to quickly insert and remove filters in the middle of an optical train. A plunger on the bottom of the holder pops the filter up for easy removal. A light tight cover prevents leakage of ambient light into the enclosed optical path. It holds 1.75 to 2 inch (43 to 51 mm) circular or square filters and has a 1.6 inch clear aperture. 1.5 Inch Series flanges.