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Levenhuk Ra R90 ED Doublet OTA Refracting Apochromatic Telescope, Black, Large 44741
$949.95 $1,009.95 Save $60.00
Code: 1RU-TS-44741
MPN: 44741
UPC: 6900000447413
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Levenhuk Ra R90 ED Doublet OTA Refracting Apochromatic Telescope Product Info

The Levenhuk Ra R90 ED Doublet OTA Apochromatic Refractor makes science a little easier. Levenhuk Ra R90 ED Doublet OTA is a compact refractor that has an objective lens of 90-mm (3.5-in) diameter and a focal lengthimage of 500 mm (19.7 in). The apochromatic objective lens consists of two lenses that reduce chromatic aberration to a barely noticeable minimum. The fully multi-coated lenses are made of ED glass and yield crisp and clear views of the night sky. The retractable dew cap on the front end of the telescope tube protects the optics from humidity when needed most. The telescope tube of this model is made of metal, following a more traditional design. This telescope tube is fitted with a dual-speed Crayford focuser that guarantees high precision focusing with no backlash. The 1.25'' barrel diameter of the focuser allows you to use a number of accessories with this telescope. Levenhuk Ra R90 ED Doublet OTA Telescope also comes with an aluminum case for you to store and transport your telescope.

Levenhuk 44741: Ra R90 ED Doublet OTA Refracting Apochromatic Telescope, Black, Large

Specifications for Levenhuk Ra R90 ED Doublet OTA Refracting Apochromatic Telescope:

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

Package Contents:

  • Levenhuk Ra R90 ED Doublet OTA Refracting Apochromatic Telescope

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