Optical Filter Holder, Quick Change, 3.0 - 3.9 in., 2.9 in. Clear Aperture

The 71262 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 3.0 to 3.9 inch (76 to 99 mm) circular or square filters and has a 2.9 inch clear aperture. 3 Inch Series flanges.