High quality 2" dielectric coated mirror diagonal. Features a high quality 1/10th Lambda mirror for ultra reflectivity. All housed in a well made body. Comes complete with a 2" - 1.25" adaptor for use with most eyepieces.
The Altair 2" premium diagonal has a CNC machined chassis to hold extra heavy accessories without flexing, a 2" push-fit adapter with non-marring compression ring, and a 99% reflective mirror with dielectric-coatings.