Telescope eyepiece filter ND For Moon Viewing ND0.9 1.25inch
 
 
1.25-inch neutral density lunar filters reduce the amount of light reaching the film without affecting color, and cut down on glare so you can see more lunar detail and surface features through your telescope;
The included filter is made of high-definition optical glass with high-light transmittance;
Aluminum alloy frame sealing ring for better sealing to prevent falling or loosening;
Reduces distortion between light and dark areas at the edge of the moon, helping to preserve dark-adapted vision when viewing the lunar surface;
Useful for different caliber astronomical telescopes through which the light of the Moon can be extremely overwhelming.