Jacobs Digital

09 480 5903


9 Mokoia Road

Birkenhead, Auckland 0626

OPEN: 9am to 5pm

Monday to Saturday

SkyWatcher 10" - 250mm Collapsible Dobsonian Telescope


SkyWatcher 10" - 250mm Collapsible Dobsonian Telescope - Jacobs Digital
SkyWatcher 10" - 250mm Collapsible Dobsonian Telescope - Jacobs Digital

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🎉 Mid-Year Sale! 🎉

Green truck Special order. Usually ships in 1-6 weeks. An order for this can be placed with our supplier, and usually ships within the specified timeframe.




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About this product

  • Collapsible Dobsonian with 3-Points Tube Locking System
  • No Disassembling or Collimation is required between uses
  • Dobson Wooden Mount with Tension Control System and Accessories Tray
  • Diffraction Limited Parabolic Mirror
  • Ultra Thin Secondary Mirror Support (only 0.80 mm)
  • Backed by 5 Years Sky-Watcher Limited Warranty

Sky-Watcher 10 Collapsible Dobsonian Telescope

The Ultimate Light Gatherer

The Dobsonian telescopes are named after John Dobson, an amateur astronomer who designed a very simple but effective telescope, where the key factor is a large aperture for little money. His idea was to mount a Newton telescope on an easy-to-use alt-azimuth mount that does not need time-consuming alignments. Sky-Watcher improved the Dobson design building a collapsible system that allows the telescope to be easily stored or transported. The 3 metal bars, used to fully extend the tube, have an auto-lock spring loaded system that simplify the set up of the telescope so only one person is required to fully extend the tube. The rigidity of the telescope keeps the mirrors collimated and the tension control system keeps the telescope balanced, so it is not necessary to move heavy counterweights.

Just extend the tube, use the finderscope and point the telescope towards your favourite night sky objects sit back and enjoy the great light gathering of the Sky-Watcher Dobsonian!

To top it off, the Sky-Watcher Collapsible Dobsonians are equipped with a 2 Crayford focuser and focuser locking screw.

Accessories in the Box:

  • Finderscope 9X50 straight version
  • Eyepiece 1.25 Super Plossl 25mm (48x) apparent field of view 52ø
  • Eyepiece 1.25 Super Plossl 10mm (120x) apparent field of view 52ø
  • Eyepiece adapter from 2 to 1.25 with M42 thread
  • 2 tube extension
  • User Manual
Model SWDOB254C
Optical Design Newtonian (parabolic primary mirror)
Aperture 254mm (10)
Focal Length 1200mm
Focal Ratio f/4.7
Secondary mirror diameter 58mm
Obstruction 22.8%
Resolving Power 0.47
Stellar Limit Magnitude 15.1
Highest Practical Magnification 508X
Light gathering power (compared to the unaided eye) 1317X
Focuser 2 Crayford with 1.25 adaptor
Telescope tube length 805mm-1120mm
Telescope height 1390mm
Base diameter 520mm
Telescope tube weight 14kg

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