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Astronomy > Telescopes > Orion > SkyQuest > Orion Dobson telescope N 254/1200 SkyQuest XT10 PLUS DOB
Product no.: 55405

Dobson telescope N 254/1200 SkyQuest XT10 PLUS DOB

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Product description

More about the series SkyQuest...

The Orion SkyQuest telescope:

The optics of this Newtonian reflector telescope are of Orion's customary high quality. The soda lime glass mirror is supplied with high-quality aluminium and silicon dioxide coatings. Focusing on models up to 150mm aperture is via a 1.25" rack-and-pinion drive, and from 203mm aperture a 2" Crayford focuser is used.

The Dobsonian base turns on smoothly running Teflon bearings, so allowing jerk-free, effortless movement of the telescope. The tube holds position as it is suspended in perfect balance. The components of the telescope are both easy to handle and light; the telescope is eminently portable and can be assembled in just a few steps and without specialist knowledge or tools. The entire construction distinguishes itself by its insensitivity to wind and its stability.

The XT-Plus offers some improvements over the classic version

  • friction brake on the altitude axis also allows the use of heavy eyepieces
  • solar filter for safely observing the Sun
  • Crayford focuser with reduction ratio for fine focusing adjustment
  • 2" wide-field eyepiece
  • Barlow lens
  • eyepiece tray
  • star map

N 254/1200 telescope - this Newtonian telescope has a large aperture for detailed deep sky observing, collecting almost three times as much light as a 114mm telescope. While only the cores of many galaxies can be seen in smaller telescopes, this telescope will also show spiral structure. Fascinating globular clusters can also be observed through this giant, some filling the entire field of view with numerous individually resolved stars.

Nothing stands in the way of your lifelong enjoyment of the night sky with a telescope of this size.

This aperture represents the practicable upper limit for portable enclosed OTA Newtonians. Larger aperture instruments are only easy transportable if of truss-tube design. However, an enclosed OTA has certain advantages - it holds collimation better, the optics are better protected, there is no stray light problem and, of course, they are quicker to set up.

It not only matters which telescope you buy but also where you buy it. Our additional services:

  • We are a leading telescope dealer and know the devices we sell. Our customer service team will gladly help you after your purchase if you have problems with assembly or operation.
  • We provide a copy of the 80-page Telescope ABC beginners handbook with every telescope.

Specifications

Optics


Type
Reflector
Type of build
Newton
Aperture (mm)
254
Focal length (mm)
1200
Aperture ratio (f/)
4,7
Resolving capacity
0,45
Limit value (mag)
13,8
Light gathering capacity
1320
Max. useful magnification
510
Tube construction
Full tube
Coating
Aluminium and silicon dioxide
Tube material
Steel
Tube length (mm)
1214
Tube weight (kg)
14

Reflector


Main mirror´s construction
parabolic
Adjustable
yes
Secondary mirror obstruction
25
Secondary mirror diameter (mm)
63
secondary mirror design
Plan
Primary mirror - Material
Borosilicate glass
Secondary mirror material
Borosilicate glass
protective layer
Quartz
aluminising
Aluminium
reflectivity
94
Ventilation for central mirror
no
Secondary Mirror Heating
no

Focuser


Type of build
Crayford
Connection ( to eyepiece)
2
Gear reduction
1:10 fine focusing

Mount


Type of build
Dobson
Mounting type
Dobson
GoTo control
no
Weight (kg)
10

Tripod


Material
Wood
Type
Rockerbox
Accessory plate
yes

Included accessories


1.25'' eyepieces
10mm
Finder scope
Red dot finder
Barlow Lens
2x
Eyepiece adaptor
2" / 1.25"
2'' eyepieces
28mm
Collimation aid
Collimation cap
Miscellaneous
Solar Filters

General


Series
SkyQuest
Total weight (kg)
24

Area of application


Moon & Planets
yes
Nebulae & galaxies
yes
Nature Observation
no
Astrophotography
no
Sun
yes

Recommended for


Beginners
yes
Advanced
yes
Observatories
no

Product safety

manufacturer: Teleskop-Service Ransburg GmbH, Von-Myra-Straße 8, 85599 Parsdorf, DE, www.teleskop-express.de

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*All prices include VAT plus shipping costs.

Orion Dobson telescope N 254/1200 SkyQuest XT10 PLUS DOB
Solar filter included - to let you safely observe the sun.

Orion Dobson telescope N 254/1200 SkyQuest XT10 PLUS DOB
Secondary mirror with mounting

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