Brand new 1.52" minor axis telescope diagonal mirror.
Flatness is better than 1/44th wave which is beyond excellent. See interferogram pictures.
Coated with high reflecting pure aluminum and then protected with hard silicon dioxide for durability.
Diamond edged for a true 45 degree angle
Back and edges are fine ground
Material = Pyrex Glass Low thermal expansion
Minor Axis = 1.52" (38.61mm)Major Axis = 2.15" (54.61mm)Thickness = .375" (9.5mm)Weight = 1.2 ounces
Made in our factory located in California.
Filed under: Eyepieces & Accessories