SVBONY Telescope Filter 1.25 inches Variable Polarizing Filter Bundle with SV128 Telescope Filter

Variable Polarizing Filter - Reduces brightness of the moon or planets.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. 26mm is the clear aperture diameter. Adjust the amount of light transmission from 1% to 40% by rotating the filter housing.SV128 Variable Polarizing Eyepiece Filter for Viewing the Moon and Planets.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.

• 1.25 inch moon filter reduce the amount of light entering the eyepiece and increase the eyepiece contrast
• The moon filter reduces the glare;allowing transmission of only 13 percent of the reflected ligh;which means you can see the surface more clearly and study the Moon in greater comfort
• Allow for maximum contrast of lunar detail enhances the contrast of the moon and planets in photographic images
• SV128 polarizing filter will fit all standard sized 2" eyepieces and accessories
• Used for viewing the Moon and Planets