1.25" Astronomy Telescope Eyepiece Lens Color Filter Set For Celestron Orion Moon Mars Planet Nebula Deep Sky Blue Purple 2x - Camera Filters - AliExpress
Celestron 1.25" Neutral Density Moon Filter - 94105
Celestron - Don't know if you need a Moon filter? Check out a Full Moon without a filter (left) and with a filter (right). Image by Erika Albino (@lovely_science_photos), captured through her
The best filters for observing the Moon | Astronomy.com