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Levenhuk Ra R90 ED Doublet OTA

 




Product Code : 44741

Manufacturer : Levenhuk

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$1,009.95 $949.95
(Savings: $60.00)

Levenhuk Ra R90 ED Doublet OTA
Apochromatic refractor. Objective lens diameter: 90 mm. Focal length: 500 mm

Levenhuk Ra R90 ED Doublet OTA has a focal length of 19.7 inches and an objective lens diameter of 3.5 inches. The main features of Levenhuk Ra R90 ED Doublet OTA are a fully multi-coated two-element objective lens made of ED glass that provides for clear views with no aberrations, and a dual-speed Crayford focuser for precise focusing.

Levenhuk Ra R90 ED Doublet OTA has a traditional design, and the telescope tube of this model is made of metal. Thanks to the retractable dew cap on the front end of the telescope tube, your instrument is well protected from humidity whenever you need it.

Levenhuk Ra R90 ED Doublet OTA also has a barrel diameter of 1.25'' so you won’t have any problems using it with different accessories. It comes with a sturdy aluminum case for storage and transportation.

Specifications:
Optical design: apochromatic refractor
Objective lens: two-element
Objective lens diameter (aperture), in: 3.5
Focal length, in: 19.7
Focal ratio: f/5.5
Optics material: ED glass
Optics coating: fully multi-coated
Barrel diameter: 1.25"
Optical tube material: metal
Focuser: 2'' dual-speed Crayford focuser
Tube-mount assembly system: quick-release thumbscrew
Optical tube length, in: 15.7
Optical tube diameter, in: 4.7
Optical tube weight, lbs: 7.5

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