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Levenhuk

304/1520 Ra 300N Dobson Telescope

304/1520 Ra 300N Dobson Telescope

Regular price $1,200.00
Regular price Sale price $1,200.00
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It is difficult to overestimate the performance of the Levenhuk Ra 300N Dobson telescope. With this telescope, you can see thousands of objects in the night sky, many of them in detail. Only weather conditions or an unfavorable state of the atmosphere can disturb the resulting image. However, under good observing conditions, this telescope will allow you to enjoy many astronomical beauties. You will be able to see all the objects in the NGC catalogue, the Moon, the planets of the Solar System and their satellites, comets, etc. This telescope is ideal for making astronomical observations in the field and will be a good choice for both a beginner and an experienced astronomer.

Parabolic main mirror with aluminum coating

The diameter of the main mirror is 300 mm. Its parabolic shape minimizes optical distortions. The optical elements produce a sharp image up to maximum magnification. The aluminum coating has a reflectivity index of 92~96%. The optical components of this telescope are unrivaled. Additionally, it features a dual-speed Crayford focuser so focus can be adjusted fluidly.

Active cooling of optical elements for faster thermal stabilization

There is a cooling fan on the back of the telescope tube. It is used to accelerate the temperature stabilization process. Under normal conditions, the optical elements may require several hours for their temperature to equalize to that of the environment. But active cooling reduces this time almost in half. The fan runs on batteries (purchased separately).

Dobsonian mount with lateral bearing with brake system to achieve a more regular movement of the tube

The Dobsonian mount has been significantly improved compared to classic mounts of this type. A special side bearing with a brake system to achieve a more regular movement of the tube allows the optical tube to move fluidly. You can move the optical tube up or down a few centimeters when using heavy eyepieces or an optional finderscope. There are graduated scales on the sides of the frame for easy balancing. The bearings have a more robust design (compared to conventional ones), so they will operate smoothly throughout their life.

Quick Start Kit

In addition to the optical tube and mount, the kit includes a 9mm eyepiece, a 30mm eyepiece, and an 8x50mm finderscope. These accessories will allow you to start making observations right away.

Characteristics:

  • Newtonian reflector with 300 mm parabolic main mirror
  • Special aluminum coating with a reflectivity index of 92~96%
  • Active cooling for faster temperature stabilization and battery operation
  • Dual-speed Crayford focuser for precise focus adjustments
  • Easy-to-use Dobsonian mount, side bearing with brake system for more regular tube movement
  • Minimal optical distortion, large aperture and user-friendly design

The kit includes:

  • Telescope optical tube
  • Dobsonian mount
  • 9mm Plössl eyepiece
  • 30mm Super View Eyepiece
  • 8x50mm finder
  • Search engine base
  • Cooling fan
  • User Manual and Lifetime Warranty

Specifications

Optical design

newtonian reflector

prism material

BK-7 glass

Optics coating

aluminum cladding

Main mirror diameter (aperture), mm

304

Lens shape (a mirror)

parabolic

Focal length, mm

1520

Maximum useful magnification, x

600

Focal ratio

f/5

Resolution threshold

0.46

Stellar limit magnitude

14.9

Eyepieces

Plössl 9 mm (133x), Super View 30 mm (40х)

Eye tube diameter

1.25/2

Seeker

8x50mm

Focus system

Double Speed ​​Crayford

Mount

dobsonian

Additional

main mirror cooling fan

Temperature range, °C

−5… +35

Feeding

Cooling fan: 6 AA batteries (not included)

Optical tube mounting mode

lateral bearing with brake system to achieve a more regular movement of the tube

Optical tube material

metal

User Level

professionals, experienced users

Observed objects

deep space objects

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