Used Astronomik UHC Filter - 1.25" Round Mounted On Display Why Are There 3 Types

Why Are There 3 Types of Naglers

25" nosepiece| USB cable| Instruction manual

or your telescope optics

designed to optimize your stargazing experience in various conditions

and save your images and video with iCap—Celestron’s dedicated imaging software for NexImage

Used Astronomik UHC Filter - 1.25" Round Mounted On Display Why Are There 3 TypesThis is an Astronomik UHC filter in good condition. The optical surfaces are generally, clean, but they do have dust on both sides that we have not been able to clean. See the photos. We have taken this issue condition into consideration in the pricing HALF OFF. This includes its original jewel case but no box. Astronomik UHC Filter 1. 25" Round Mounted This Astronomik UHC Filter, a great visual filter designed for broadband deep sky observing, is