See November 2019 Transit of Mercury across the sun with this filter!

Excellent condition in original box. Purchased as a present - unfortunately it's the wrong size hence the sale!

May accept swap for other astronomy equipment - make me an offer!


A must-have for safely observing the Sun without damaging your eyes - optical glass filter fits snugly over your telescope's aperture to block 99.9% of incoming sunlight


Fits 8" Schmidt-Cassegrain Telescopes (SCT)



Each Orion telescope solar filter is mounted in a foam-lined aluminum cell featuring three equidistant securing thumbscrews, 4x 1/16" thick adhesive foam tabs, and 4x 1/8" thick adhesive foam tabs for customized friction fit to your telescopeFilter inside diameter is 9.25" - fits optical tubes with an outer diameter of 9" to 9.25" with included shim materials and securing thumbscrews