Variable polarizing filter for telescopes, reduces glare and enhances contrast with adjustable polarization.

High-quality Explore Scientific O-III filter - Only lets pass the emission lines of oxygen - Absorbs all other emission lines and almost all artificial light - Band pass width: 12nm

The Celestron 94014 Lens Shade is designed to reduce glare and unwanted reflections on your telescope's eyepiece, enhancing image contrast.