SVBONY moon filter is a good all rounder filter suited to many applications;including the observation of the moon and planets;a broad spectrum of light transmission means it does not block as much as a deep sky filter
The filter has a mild effect of darkening the background of the night sky so that the fainter objects are more clearly seen contrasted against the blackness of space
Effectively filters out selective wavelengths of low pressure sodium and other man made sources typically used in street lighting;give improved definition of the surface of the moon
UHC telescope filter was designed to improve the image contrast of observed objects. due to its ability to produce exceptionally sharp and clear images;this filter is considered one of the most popular astronomy accessories; it can be used not only for celestial observations but also for astrophotography
This filter only passes the light around the 400nm line. It does not transmit the Ha and higher. Filter works great