***** **********Best Quality Guranteed. *****A must-have to safely observe the sun without damaging your eyes - optical filter fits snugly over your telescope's aperture to block 99.9 % of incoming sunlight. *****This filter features an inside diameter of 175mm - it is designed to fit optical tubes with an outer diameter of 170mm to 192mm, the outer diameter of filter is 200mm. *****The solar filter meets ISO 12312- 2: 2015 and has verified the security. Explore the Sun safely through a telescope with this high-quality solar filter featuring Baader AstroSolar film in a sturdy aluminum cell.
*****Three clamping screws with protective plastic caps - ensure a perfect fit and are also gentle on your telescope, attaches directly - filter in anodized aluminium mounting.
*****NOTE: (1) Never Use Your Telescope If The Sun Filter is Any Disrepair, Otherwise Per-manent Eye Damage Will Result. (2) Because of the larger diameter, some solar filters may have wavy line on the film which will not have any eff