SVBONY SV139 Telescope Filter Moon Filter 1.25 inch 6.25 Percent Transmission ND16 Neutral Density Filter for Telescope Eyepiece Reduce Moon Surfaces

SVBONY SV139 Telescope Filter Moon Filter 1.25 inch 6.25 Percent Transmission ND16 Neutral Density Filter for Telescope Eyepiece Reduce Moon Surfaces

6.25% Transmission DN filter; ND16 filter transmits only 6.25% of the incoming light; help reduce radiation; reduce deformation between light and dark areas at the edge of the moon; help you watch the moon comfortably; let you achieve a sharper image directly Suitable for watching three-quarter moon; the 1.25" Neutral Density Moon filter can reduce the amount of light reaching the film without affecting the color; and reduces glare so you can see more lunar detail and surface features with your telescope Help protect dark-adapted vision; when observing the three-quarter moon; most of the moon's circular surface is bright; at this time; direct observation is likely to damage the eyes; ND16 filter transmits only 6.25% of the incoming light;can protect your eyes Durable Material; the included filters are made of HD optical glass; can guarantee a good light transmittance; aluminum alloy frame sealing ring for better tightness and avoiding fall or loose Applicable standard 1.25 inch; metal filter cell threads directly into the 1.25 inch barrel of your telescope eyepiece; useful for different caliber astronomical telescopes through which the light of the Moon can be extremely overwhelming