Levenhuk Ra R102 ED Triplet OTA
Apochromatic refractor. Objective lens diameter: 102 mm.
Levenhuk Ra R102 ED Triplet OTA is a telescope tube designed for astronomical observations. The tube has an objective lens of 4-inches diameter and contains three fully multi-coated ED glass lenses, so Levenhuk Ra R102 ED Triplet OTA provides high-quality clear views.
Levenhuk Ra R102 ED Triplet OTA is equipped with a dual-speed Crawford focuser that ensures high precision focusing with no backlash. Thanks to its metal construction, this model is very sturdy and reliable and will stay in great condition for decades.
Optical design: apochromatic refractor
Objective lens: three-element, FPL 53 glass
Objective lens diameter (aperture), in: 4
Focal length, in: 28.1
Focal ratio: f/7
Optics material: ED glass
Optics coating: fully multi-coated
Optical tube material: metal
Focuser: 3” dual-speed Crayford focuser
Eyepiece barrel diameter: 1.25-2”
Tube-mount assembly system: dovetail plate
Optical tube dimensions, in: 24×30
Optical tube diameter, in: 5
Optical tube weight, lbs: 12.5