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Sky-Watcher Dobsonians

A simple, elegant form of an alt-azimuth mount made to carry a Newtonian reflector was popularized by John Dobson in the late 1970's. In its simplest form, the Dobsonian mount consists of a box which allows the optical tube assembly to pivot in altitude, while the box itself is swivelled on a base in azimuth. Normally such mounts are moved by hand rather than motor driven. Their main advantages are low cost, fast easy setup and ability to make a mount big enough for larger tubes.

The Sky-Watcher Dobsonian Telescopes includes 153mm/1200mm (6"), 203mm/1200mm (8") and 254mm/1200mm (10") Newtonian-based models. All models have a "paraboloidal" primary mirror to eliminate spherical aberration and a four-arm, secondary- mirror bracket with fine supports (0.5mm thick), to reduce diffraction spikes and light loss. In addition, all models include a 2" focuser with a 1.25" adapter, allowing the use of either eyepiece size. The 203mm/1200mm (8") and 254mm/1200mm (10") models also include the new feature-tension control handle.

The new adjustable TENSION CONTROL HANDLE 

The secret of the design is to correctly balance the optical tube with special designed handles on the base. The design adds enough friction and tension to allow the tube to move easily when nudged but to stay in position when not. Users can easily add or reduce tension by turning on the handle. This feature solves the common balance problem found on many Dobsonians.

Available on all Dobsonian models.

Sky-Watcher 6" Dobsonian

Purchase/Enquire

Sky-Watcher 6" Dobsonian R3 209.00

Sky-Watcher 8" Dobsonian

Purchase/Enquire

Sky-Watcher 8" Dobsonian R4 279.00

Sky-Watcher 10" Dobsonian

Purchase/Enquire

Sky-Watcher 10" Dobsonian R6 955.00

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