Celestron Neutral Density 0.9 Moon Filter (1.25") 94105 B&H
A Guide to Lunar Observing Filters
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
Do you need a moon filter to look at the Moon with a telescope? - Little Astronomy
Moon & Neutral Visual Density Filters for Sale Online | First Light Optics
Filters for visual observing of the Moon and planets – British Astronomical Association
Baader Neodymium 2" Moon and Skyglow Filter | High Point Scientific
Do you need a moon filter to look at the Moon with a telescope? - Little Astronomy