Ra R80 ED Triplet OTA by Levenhuk
Apochromatic refractor. Objective lens diameter: 80 mm. Levenhuk Ra R80 ED Triplet OTA has an objective lens diameter of 3.2 inches. The main features of Levenhuk Ra R80 ED Triplet OTA are a fully multi-coated three-element objective lens that makes for clear views, and a dual-speed Crayford focuser for precise focusing. Levenhuk Ra R80 ED Triplet OTA produces exceptionally sharp and clear images with no chromatic aberrations due to the fact that the apochromatic objective lens consists of three lenses. Other important features of this tube are compact size and sturdy and reliable metal construction that will serve you for years. Specifications: Optical design: apochromatic refractor Objective lens: three-element, FPL 53 glass Objective lens diameter (aperture), in: 3.2 Focal ratio: f/6 Optics material: ED glass Optics coating: fully multi-coated Tube-mount assembly system: dovetail plate Focuser: 2'' dual-speed Crayford focuser Eyepiece barrel diameter: 1.25-2''