The 71261 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 2.1 to 2.6 inch (53 to 66 mm) circular or square filters and has a 2.0 inch clear aperture. 2 Inch Series flanges.


71261快速更换过滤器支架提供了快速插入和移除过滤器在光列车中间的能力。在固定器底部的一个柱塞弹出过滤器，便于拆卸。光密罩防止环境光泄漏到封闭的光路。它有2.1到2.6英寸(53到66毫米)的圆形或方形滤镜，并且有2.0英寸的光圈。2英寸系列法兰。