Jacobs Digital

09 480 5903

www.jacobsdigital.co.nz

9 Mokoia Road

Birkenhead, Auckland 0626

OPEN: 9am to 5pm

Monday to Saturday

Skywatcher 12" Classic Dobsonian Telescope

SKU: SWDOB300

Skywatcher 12" Classic Dobsonian Telescope-Jacobs Digital
Skywatcher 12" Classic Dobsonian Telescope-Jacobs Digital
Skywatcher 12" Classic Dobsonian Telescope-Jacobs Digital

Our Price

$1,998.00

$1,998.00


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About this product

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.

The Sky-Watcher 12″ Dobsonian is a large aperture Newtonian reflector telescope with f/5 focal ratio, make it ideal for wide field and deep-sky observation. Big aperture means better light gathering power and with this Sky-Watcher Telescope you are able to see prominent deep-sky object such as nebulae, star cluster and many more. To top it off, the Sky-Watcher Classic Dobsonians are equipped with a 2″ Crayford focuser and focuser locking screw –  to allow easy use of either eyepiece size.

Tension Control System
The Tension Control System allows you to adjust the friction setting; to increase or reduce the amount of resistance when moving the tube on the wooden mount, so you always have the appropriate resistance. The secret of the design is to correctly balance the optical tube with the specially designed handles (found on the base) and this adds enough friction and tension to allow the tube to move easily when nudged or to stay solidly in position.

In The Box:

  • Finderscope 6X30 straight version
  • Eyepiece 1.25″ Super 25mm (60x)
  • Eyepiece 1.25″ Super 10mm (150x)
  • Eyepiece adaptor from 2″ to 1.25″ with M42 thread
  • 2″ Tube Extension
  • User Manual

Optical Tube Assembly

Optical Design Newtonian (parabolic primary mirror)
Focuser 2″ Crayford with 1.25″ adaptor
Aperture 305mm
Focal Length 1500mm
Focal Ratio f/4.9
Secondary Mirror Diameter 69mm
Resolution (Dawes) 0.38 arcseconds
Resolution (Rayleigh) 0.45 arcseconds
Limiting Stellar Magnitube 15.1
Maximum Theoretical Magnification 610x
Note: atmospheric seeing conditions will limit practical maximum magnification to approx 200-250x
Tube Length 140cm
Tube Outer Diameter 36.2cm
Tube Weight 21kg

Eyepieces

Eyepiece 1 25mm (60x)
Eyepiece 2 10mm (150x)

Mount

Mount Type Dobsonian
Base Diameter 63.5cm
Eyepiece Height at Zenith 148.6cm

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