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Levenhuk Ra R120 ED Doublet OTA

Levenhuk
Apochromatic refractor. Objective lens diameter: 120 mm. Focal length: 900 mm
  • Category: Telescope
  • Product ID: 35001
  • Country: PRC, controlled by Levenhuk, Inc. (USA)
  • Warranty: lifetime
  • Weight: 36.7 lb (16.64 kg)
  • UPC:
  • Package size (LxWxH): 37.4×13.4×13.8 in (95.0×34.0×35.0 cm)
  • Call us
    800-342-1706
  Levenhuk Ra R120 ED Doublet OTA is a refractor with a 120-mm (4.7-in) objective lens and a focal length of 900 mm (35.4 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 ... more

Levenhuk Ra R120 ED Doublet OTA is a refractor with a 120-mm (4.7-in) objective lens and a focal length of 900 mm (35.4 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 focuser that guarantees high precision focusing with no backlash. The kit includes a 1.25'' to 2'' adapter that allows you to use both 1.25'' and 2'' accessories from any manufacturer with this telescope. Levenhuk Ra R120 ED Doublet OTA also comes with an aluminum case for you to store and transport your telescope.

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

air-spaced doublet lens

Optics material

S-FPL53 ED + S-NBM51 glass

Optics coating

fully multi-coated

Objective lens diameter (aperture), mm

120

Focal length, mm

900

Focal ratio

f/7.5

Resolution threshold, arcseconds

0.96

Eyepiece barrel diameter

1.25", 2"

Focuser

3

Tube-mount assembly system

quick-release thumbscrew, mounting rings

Optical tube material

metal

Optical tube dimensions, mm
in

140x770
5.5x30.3

Optical tube weight, kg
lbs

7.0
15.4

Usage

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

Levenhuk Review:

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.

There are no recent reviews available for this product.

Levenhuk Ra R120 ED Doublet OTA - Total: 2 Negative 0 Positive 2


Mark Weiss (2014-11-11 08:41): Positive
Does the telescope kit include a finderscope? Levenhuk Customer Service:
The Levenhuk Ra R120 ED Doublet OTA kit does not include a finderscope.

Chris Washburn (2013-04-03 03:58): Positive
What are the differences between images produced by doublet, triplet or quadruplet if aperture is the same? What number of elements in the objective lens is better for a telescope? What does it influence? Levenhuk Customer Service:
ED-triplet minimizes residual chromatic aberration better than ED-doublet, etc. The higher the number of elements in the objective lens, the better the quality of the produced images.

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