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Levenhuk Ra R90 ED Doublet OTA
Levenhuk Ra R90 ED Doublet OTA

Levenhuk Ra R90 ED Doublet OTA

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Your Price: CAD1,339.11
Usually ships in 3-5 business days
Part Number:44741

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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 length 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 also comes with an aluminum case for you to store and transport your telescope.

You can find a review on Levenhuk Ra R90 ED Doublet OTA here.

Here you can find a list of celestial objects you can see with this telescope.

Find out the names of the most interesting celestial objects to observe here and here.


Optical design

apochromatic refractor

Objective lens


Optics material

ED glass

Optics coating

fully multi-coated

Objective lens diameter (aperture), mm


Focal length, mm


Focal ratio


Resolution threshold, arcseconds


Eyepiece barrel diameter



2'' dual-speed Crayford

Tube-mount assembly system

quick-release thumbscrew

Optical tube material


Optical tube dimensions, mm


Optical tube weight, kg



General use product.
May be used by kids
over 3 years old.


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