2″ 90° Dielectric Diagonal Mirror for Telescopes, 99% Reflectivity

Upgrade your observing setup with this premium 2″ 90° diagonal mirror:

• High‑Quality Optics: Prism with multi‑layer dielectric coatings for 99% reflectivity—brighter, sharper views

• Universal Compatibility: Fits 2″ focuser; includes 2″→1.25″ brass compression adapter for 1.25″ eyepieces

• Durable Construction: All‑metal body with internal 2″ filter thread for stacking eyepieces and filters

• Safe & Secure: Non‑deforming compression ring ensures eyepiece safety

What’s in the Box:
• 1× 2″ 90° diagonal mirror
• 1× 2″ to 1.25″ adapter

Note: Not for direct solar viewing.
Perfect for refractors, Schmidt‑Cassegrains, EdgeHD, ACF and Maksutov‑Cassegrain telescopes. Fast dispatch!