he Moon filter is a multi-bandpass filter transmitting a high percentage of light in the visual spectrum. The filter enhances contrast when observing brighter objects including the moon and planets
 Moon filter for Telescope Eyepieces
Premium Quality Metal Rim & Thread & Blue Glass Lens
The filter will fit all standard sized 1.25" eyepieces and accessories. It is mounted in a nicely anodized housing and is threaded on both sides for stacking with other filters if necessary
Usage: The filter thread after thread eyepieces, rotate the filter into the eyepiece can be used