SVBONY Telescope Filter 2 inches Polarizing Eyepiece Moon for Polarizer Telescopes Increasing Contrast Reducing Glare (2 inch)

Filters for 2 inch telescope eyepieces; reduce the amount of light entering the eyepiece and increase eyepiece contrast Telescope eyepiece filter transmits only 13 percent of the incoming light;boosting contrast and ability to discern detail on the moon Allow for maximum contrast of lunar detail;enhances the contrast of the moon and planets in photographic images Neutral colored optical glass does not change the moon's natural color Have a standard 2 inch filter thread (M48 x 0.75);It's a great birthday christmas gift