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Sky-Watcher BK DOB 16" SYNSCAN (DUAL-SPEED) Dobsonian Telescope
Sky-Watcher BK DOB 16" SYNSCAN DUAL SPEED

Sky-Watcher BK DOB 16" SYNSCAN (DUAL-SPEED) Dobsonian Telescope

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Your Price: CAD $5,145.93
Retail Price:CAD $5,259.00

Your Savings:CAD $113.07(2%)

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Part Number:BD310651

"Sky-Watchers GoTo Dobsonian
High-tech meets bargain-telescope design. A shotgun marriage or a match made in heaven? We find out!"

"Could the new Sky-Watcher SynScan telescopes really work? ...my doubts were allayed the first night out.Our test telescope,on loan from Pacific Telescope Corp., worked great. Surprisingly so."

- Alan Dyer wrote in his 3-page review of the Sky-Watcher GoTo Dobsonian telescope at SkyNews November/December 2010 issue (http://www.skynews.ca/ | review).

Read the 3-page article in PDF (580KB)


Sky-Watcher improves on the often unwieldy standard design of Dobsonians with their 16" f/4.4 Collapsible GoTo Dobsonian Telescope. It features a patented truss tube system that enables the front corrector plate/eyepiece assembly to be moved back and locked against the main rear tube to greatly reduce the size of the OTA for storage and transportation. This open OTA also has the benefit of reducing overall weight versus standard Dobs. To add another level of usability to the scope is a motorized ground-based rocker alt-az mount. Equipped with dual servo motors, they are controlled using the SynScan computer hand controller. This self-contained system features over 42,000 celestial objects with alignment assistance, guided tours and full go-to capabilities. Its dual encoders, coupled with the patented Tension Control Handle, enable users to manually move the scope without having to realign it.

It features an exceptionally large 16" aperture conical parabolic mirror to draw in copious amounts of light to make detailed observations of the Moon and planets, and still reach out past our solar system to discover dim deep-sky subjects that smaller scopes are unable to resolve. A conical mirror, as opposed to a standard parabolic, helps to reduce the mirror's weight while allowing it the ability to more evenly acclimate to the ambient temperature. Its f/4.4 focal ratio and two-speed Crayford focuser makes this an ideal choice for imaging. Its fast focal ratio enables devices to capture images in less time than slower scopes, while the unique focusing mechanism employed in the Crayford-style gives it the ability to achieve tack-sharp focusing with zero back-lash that rack-and-pinion focusers generally are unable to.

Optical Performance
  • 16" aperture
  • f/4.4 focal ratio
  • 1800mm focal length
  • Efficient, highly reflective mirrors increase image brightness
SynScan System
  • Motor type: DC Servo Motors
  • Resolution:
    • Motor encoder: 1,620,000 counts per revolution
    • Main axis encoder: 11,748 counts per revolution
  • Slew speeds: 1.0X, 2.0X, 8X, 16X, 32X, 200X, 400X, 600X, 800X, 1000X
  • Tracking Rates: Sidereal, Lunar, Solar
  • Tracking Mode: Dual Axes Tracking
  • Alignment Method: Brightest-Star Alignment, Two-Star Alignment
  • Database: 25 user defined objects. Complete M, NGC and IC catalog, partial SAO catalogues, total 42,900 objects
  • Go-To Pointing Accuracy: Up to 5 arc min
Focuser
  • Crayford-style, two-speed
  • Accepts 2" eyepieces and accessories
  • Coarse focus wheel for fast focusing
  • Fine smaller focus dial for precision focusing
  • Crayford focusers use a toothless friction system that allows for super-fine precision focusing without backlash
  • Includes 2-to-1.25" adapter
Mount
  • Alt-az rocker design
  • Teflon azimuth bearings
  • Teflon bearings and tension clutch on altitude axis
  • Tension control handle allows for smoother rotation to reduce vibrations and limit over-compensation
Eyepiece & Accessories
  • Eyepieces:
    • 4-element Plossl
    • 1.25" diameter barrel
    • 25mm yields 72x power
    • 10mm yields 180x power
  • Finderscope:
    • 8x50 erect-image
    • Right-angle viewing

Optical Design Reflector
Aperture 16" / 406 mm
Focal Length 1800 mm
Focal Ratio f/4.4
Eyepiece Barrel Diameter 2" directly to focuser
1.25" with included adapter
Diagonal N/A
Finderscope 8x50 right angle erect-image
Tripod None
Mount Type Motorized alt-az
Power Source 10 - 15 VDC 1 A
2.1 mm plug
Optical Tube Dimensions Not specified by manufacturer
Weight Tube: 72.0 lb / 32.7 kg
Base: 105.0 lb / 47.6 kg
Assembled: 177.0 lb / 80.3 kg
Packaging Info
Package Weight 214.0 lb
Box Dimensions (LxWxH) 47.0 x 42.0 x 31.0"

Sky-Watcher 16" f/4.4 Collapsible GoTo Dobsonian Telescope
  • 8x50 Finderscope
  • 10mm Plossl Eyepiece
  • 25mm Plossl Eyepiece
  • 2"-to-1.25" Adapter
  • Limited Two-Year Warranty

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