Sky-Watcher 90° 2" Dielectric Star Diagonal

A 2-inch telescope diagonal with a 1.25-inch adapter for high-end telescopes.

• The mirror offers high reflectivity (99%) without losing luminosity.
• The diagonal includes a CNC body, a threaded connection for 2-inch filters, and a brass compression ring for eyepieces.
• The diagonal claims to maintain resolution and contrast (1/10 lambda).
• It requires a telescope with a 2-inch focuser.