Sky-Watcher Dielectric Coated 90º Star Diagonal (2")

The mirror inside this 2" diagonal has undergone a special high-reflectivity multi-coating process, allowing them to reflect 99% of the precious gathered starlight, providing exceptional brightness and contrast. (Standard diagonals typically reflect 90-95% of light). Housed in high quality aluminium bodies these superb diagonals are a significant improvement over the standard ones supplied with many Telescopes. Designed to fit Telescopes with 2" focusers and includes a 2" to 1.25" adaptor all compression fittings to prevent damage to your eyepiece barrels and hold them securely.         2" fit Compression ring 2" to 1.25" adaptor included Alumium construction Dielectric mirror