GSO’s Moon filter is an economical yet high quality eyepiece filter for reducing the brightness of the Moon so greater detail can be observed on the lunar surface. Has 18% light transmission. Green tint helps reduce glare and improve contrast. Has a standard 1.25″ filter thread (M28.5×0.6) so it can be screwed on to virtually any astronomy eyepiece or accessory that has 1.25″ filter threads.
Comes in a protective plastic storage box. Metal filter cell with high quality optical glass substrate (not plastic as some other similarly priced Moon filters). Made in Taiwan.
- Fits in any 1.25″ with threaded bottom barrel and provides 18% transmission.
- With it’s standard 1.25″ filter thread (M28.5×0.6), it can screw into any 1.25″ eyepiece.
- Comes in a plastic case.
1.25″ Moon Filter – 1