Neutral density filters are excellent filters to reduce the overall brightness of an image to cut down glare while viewing bright astronomical objects through a telescope
These three ND moon filters are useful for splitting binary systems; comfortably observing the moon; or stacking with other planetary filters
ND filters retain true color balance of the objects being observed since all wavelengths are transmitted uniformly over the entire spectrum
With this 90-degree erecting prism transform your telescope into a telescope for nature observation with upright and left-right corrected image
This is a great diagonal for daytime terrestrial use and night time astronomy applications for telescopes or spotting scopes;filter thread for any 1.25 inch filter and accepts standard 1.25 inch eyepieces