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Astronomy > Telescopes > Omegon > Advanced X > Omegon Dobson telescope Advanced X N 203/1200
Product no.: 53802

Dobson telescope Advanced X N 203/1200

RRP: $ 579.00 Our price:
$ 479.00 incl. VAT, plus shipping costs
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  • Crayford focuser with ball bearings

Product description

More about the series Advanced X...

This telescope is also available, together with accessories, in a beginners set.

Hint: Expand your Dobsonian telescope’s capabilities with the Omegon Push+ Go Standalone Encoder System

Now the whole sky consists of nebulae, star clusters and galaxies
The Omegon Advanced X Dobsonian - this is a 'fast' telescope with which you can comfortably observe planets, star clusters, nebulae and galaxies. It is finished to a high-quality, consists of only two sections and is very easy to use. Even if you are a beginner you will have no problems operating it, as it is not neceassry to align the axes. It works on a simple principle - set it up and start observing immediately. But there is even more to it.

The advantages in a nutshell

  • smooth fine focusing - Crayford focuser with 1.25" adapter
  • Teflon bearing and tensioning springs - these let you move the telescope in all directions, up to the zenith or around its own axis
  • main mirror - 94% enhanced coating for brighter images
  • faster cool-down for getting started observing faster - main mirror fan

Main mirror with 94% reflection coating for brighter images
A Dobsonian telescope is an expert in deep sky observing. High contrast, a wealth of visible detail and a bright image go with an excellent telescope just like the stars belong in the night sky - and this is exactly what the parabolic main mirror provides you with. The 94% 'enhanced coating' on the mirror means you can enjoy ultra-bright images, and even lets you make out deep sky objects at the limits of perception.

Get started with your observing faster - main mirror fan
Just a quiet, unobtrusive hum, but with a big effect - the built-in 12V fan means 50% faster cool-down of your main mirror. This allows your telescope to reach optimum image quality more rapidly. So you do not have to wait so long any more.

2" Crayford focuser
Use 1.25" or the larger 2" eyepieces for stunning visual observing. The ball bearings allow you to smoothly focus your objects.

Easy to move in all directions
Move the telescope to view an object and then track it - nothing is simpler! ATeflon bearing on the large azimuth turntable and two tensioning springs on the altitude axis allow you to move your telescope freely in all directions, and to manually track objects to always keep them in the field of view.

The Dobsonian advantage - simple and rapid assembly
What is the advantage of this design? A Dobsonian telescope consists of only two parts, which you can put together in no time. It is also much less expensive than a comparable sized telescope on an equatorial mount. Its main use is for enjoying visual observing. Discover the night sky - it is unbelievable what you can see using your own eyes.

Included in delivery

  • telescope + rockerbox with eyepiece tray
  • 8x50 finder scope
  • 1.25", 25mm eyepiece

Our expert comment:

Find more telescopes for astronomy beginners in our comprehensive buying guide. The best telescopes for beginners



Type of build
Aperture (mm)
Focal length (mm)
Aperture ratio (f/)
Resolving capacity
Limit value (mag)
Light gathering capacity
Max. useful magnification
Tube weight (kg)
Tube construction
Full tube


Type of build
Connection ( to eyepiece)


Mounting type
Type of build
GoTo control



Included accessories

1.25'' eyepieces
Plössl 25mm - 1,25
Finder scope
eyepiece tray


Total weight (kg)
Advanced X
Special recommendation

Area of application

Moon & Planets
Nebulae & galaxies
Nature Observation
not recommended
not recommended
not recommended (Only with appropriate Sun filter)

Recommended for


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*All prices include VAT plus shipping costs.

Omegon Dobson telescope Advanced X N 203/1200
Faster cool-down for getting started observing sooner - main mirror fan

Omegon Dobson telescope Advanced X N 203/1200
The battery pack takes eight 1.5V AA batteries.

Omegon Dobson telescope Advanced X N 203/1200
Crayford focuser for 2" and 1.25" eyepieces plus an 8x50 finder scope

Omegon Dobson telescope Advanced X N 203/1200
Well-designed adjustment in the altitude axis - two large altitude wheels for smooth movement and tensioning springs steady the telescope

Omegon Dobson telescope Advanced X N 203/1200
Practical and always handy - eyepiece tray suitable for a 2" eyepiece or three 1.25" eyepieces

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