Glass Solar Filters Aluminum Cell Size:64mm / 2.50" This is the standard stainless

This is the standard stainless steel counterweight included with HyperStar lenses for fork-mounted telescopes

either—anywhere from 50-65mm will work well

and also other 3rd-party PC software

3 in (H) x 3

includes adapter

Glass Solar Filters Aluminum Cell Size:64mm / 2.50" This is the standard stainlessThese full aperture Solar Filters, are safe glass solar filters that allows as much of the light through as possible through the telescope safely. This allows your telescopes full aperture to be viewed, giving you the best daytime viewing possible with minimal atmospheric instability. When there is instability, you put a mask over the filters end that will reduce the aperture effectively. There is an aluminum cell with this premium solar filter that