Used Optolong UV-IR Cut 2" Mounted Filter Generic A Luminance filter with too

A Luminance filter with too wide a bandpass can show chromatic aberration of the optical system

It has a 1

68° Apparent Field Eyepieces

Whether utilizing for visual observing or for astrophotography

Used Optolong UV-IR Cut 2" Mounted Filter Generic A Luminance filter with tooThis is an Optolong 2" UV IR filter in excellent condition, absolutely clean surfaces, in its original jewel case. Description Optolong UV IR Cut Filter 1. 25" If you're looking to improve the quality of your astrophotography images, the Optolong UV IR cut filter is exactly what you need! When you block Ultraviolet and Infrared transmissions, you will see improved image sharpness, contrast, and minimized distortion from color fringing. They're