William Optics 1.25" DuraBright Diagonal for Star71 Telescope
William Optics Dura-Bright diagonal utilizes a 12 mm thick mirror with precision dielectric coatings for 99-percent reflectivity. This 2-inch diagonal Increased contrast and resolution provide the best possible views of the planets, moon and binary stars. The thickness of the mirror ensures years of premium performance and provides a completely flat surface for he coatings for total image stability. Polished to 1/12th wave accuracy and expertly crafted for durability. Built in internal safety stop prevents the 1.252-inch barrel from hitting the mirror. The Dura bright diagonals feature true carbon fiber side plates.
Designed to work with the 71 mm Star refractor by William Optics which uses a dedicated 65 mm thread.
OPT Product Number: WO-D-125D-WO71