Levenhuk Ra R80 ED Doublet Carbon OTA
Apochromatic refractor. Objective lens diameter: 80 mm. Focal length: 500 mm
Levenhuk Ra R80 ED Doublet Carbon OTA has a focal length of 19.7 inches and an objective lens diameter of 3.2 inches. The telescope tube made of carbon-fiber-reinforced polymer makes the telescope lighter and allows decreasing focal length dependency on temperature spans.
Using carbon-fiber-reinforced polymer also makes for quick recovery of the thermodynamic equilibrium of the tube. As any other Levenhuk Ra telescope tube, Levenhuk Ra R80 ED Doublet Carbon model provides high-quality clear views due to fully multi-coated optics. Moreover, this telescope has a dual-speed Crawford focuser that ensures high precision focusing with no backlash.
Levenhuk Ra R80 ED Doublet Carbon OTA also has a barrel diameter of 1.25'' so you won’t have any problems using it with different accessories.
With Levenhuk Ra R80 ED Doublet Carbon OTA you will also get a sturdy aluminum case –a great addition that lets you store and transport your instrument with ease.
Optical design: apochromatic refractor
Objective lens: two-element
Objective lens diameter (aperture), in: 3.2
Focal length, in: 19.7
Focal ratio: f/6.25
Optics material: ED glass
Optics coating: fully multi-coated
Barrel diameter: 1.25"
Optical tube material: carbon
Focuser: 2'' dual-speed Crayford focuser
Tube-mount assembly system: quick-release thumbscrew
Optical tube length, in: 15.4
Optical tube diameter, in: 4
Optical tube weight, lbs: 6.2