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Levenhuk

Ra R66/400 mm ED Doublet Black OTA Telescope

Ra R66/400 mm ED Doublet Black OTA Telescope

Regular price $402.00
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The Levenhuk Ra R66 ED Doublet Black OTA apochromatic refractor is a short focal length optical tube that allows you to make a cursory observation of the objects in the Messier and NGC catalogs as well as observe the relief of the lunar surface in detail. It can perform both planetary observations and deep sky observations. But the main use of this optical tube is astrophotography. The images taken by this telescope are of high contrast and with very sharp details.

The lenses are made of very low dispersion glass that effectively suppresses chromatic aberrations, especially secondary ones and spherochromatism. The wide field of view of this instrument makes it suitable for studying large areas of the sky. The telescope features a dual-speed Crayford focuser that provides smooth, high-precision focusing in all conditions.

The optical tube is made of anodized aluminum and can be installed on most modern telescope mounts. Thanks to its light weight and compact size, this telescope is an excellent option to take with you on field trips. The kit also includes a practical aluminum case for transporting and storing the telescope.

Note: The kit does not include the mount, tripod or optical accessories.

Characteristics:

  • Compact and lightweight apochromatic refractor
  • Fully multi-coated lenses made from very low dispersion (ED) glass
  • Dual-speed Crayford focuser for precise focus adjustments
  • Excellent image clarity and contrast, minimal chromatic aberration
  • Excellent choice for astrophotography, suitable for visual observations

The kit includes:

  • Telescope optical tube
  • Cleaning Cloth
  • Aluminum case
  • Protective caps
  • User Manual and Lifetime Warranty

Specifications

Optical design

Apochromatic refractor

prism material

ED glass

Optics coating

full multi-layer

Main mirror diameter (aperture), mm

66

Focal length, mm

400

Maximum useful magnification, x

132

Focal ratio

f/6

Resolution threshold

1.75

Stellar limit magnitude

11.20

Focus system

1.25" Dual Speed ​​Crayford

Optical tube mounting mode

1/4" quick release thumb screw

Optical tube material

Anodized aluminum

Use

General use product.

User Level

professionals, experienced users

Assembly and installation difficulty level

simple

Observed objects

planets of the Solar System
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