Celestron Variable Polarizing Eyepiece Filter - 1.25 Inch

Designed for use with a telescope, the Celestron Variable Polarizing Eyepiece Filter 1.25 3 cm enables you to adjust the brightness level that meets the comfort level of your eye, and also allows you to control the brightness of your targeted space object. It further reduces glare emitted by the Moon, stars, planets, and other bright space objects.