Application: Moon Filter Suitable for 1.25 inch
Telescope Eyepieces Function: Reducing the amount of light entering the eyepiece, increases the contrast between the moon and the star;. allowing you to see more details about the moon and the stars
Design: The appearance is gray, it can pass the linear polarization of the same direction of its polarization through about 80%; and make the linearly polarized light perpendicular to its polarization direction through less than 1%; does not change the moon's natural color
Detail: standard 1.25" filter thread (M 28.5 x 0.6 ).
Materials: Aluminum
Package Includes: 1x 1.25 inch Polarizing Filter1X Plastic Case