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Sky-Watcher Flextube SynScan 250P (10")  GoTo Collapsible Dob Telescope
Sky-Watcher BK DOB 10" SYNSCAN

Sky-Watcher Flextube SynScan 250P (10") GoTo Collapsible Dob Telescope

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Your Price: CAD1,769.00
Retail Price:CAD2,067.45

Your Savings:CAD298.45(14%)

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Part Number:S11810

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Sky-Watcher BK DOB 10" SYNSCAN

"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 (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 10" f/4.7 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 a large 10" aperture parabolic mirror that captures enough light to make detailed observations of the Moon and planets, and still reach out past our solar system to discover deep-sky subjects such as nebulae, globular clusters, and galaxies. Its f/4.7 focal ratio and Crayford focuser makes this an ideal choice for imaging. Its relatively 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 achieve.

Optical Performance

  • 10" aperture
  • f/4.7 focal ratio
  • 1200mm 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, single-speed
  • Accepts 2" eyepieces and accessories
  • 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 48x power
    • 10mm yields 120x power
  • Finderscope:
    • 8x50 erect-image
    • Right-angle viewing
Dob SynScan 12inch_retracted_tubeDob SynScan 12inch_Remotecontrol

Optical Design Newtonian (Parabolic)
Lens Material  
Diameter 254mm
Focal Length 1200mm
Scondary Mirror Diameter 58mm
F/ratio F/5
Highest Practical Power 500x
Faintest Steller Magnitude 13.9
Resoving Power 0.5 arc sec
Finderscope 8X50
Focuser diameter 2 with 1.25 adapter Crayford Focuser
Diagonal  
Eyepiece(s) 2 eyepieces
Mount Type Dobsonian
Slow-motion Control  
Counterweight(s)  
Piggyback Bracket  
Accessory Tray  
Ground Board Diameter  
Ground Board Weight(s)  
Motor Drive  
Go-to  
Tube Weight 15kg
Tube Dimension(dia. x length) 380mm x 800mm-1120mm
Tripod Height  
Shipping Weight BASE:20kg, OTA:18kg
Shipping Carton Dimensions 2 cartons
BASE: 47x37x93 cm3
OTA: 97x41x51 cm3

In the Box

  • Sky-Watcher 10" f/4.7 Collapsible GoTo Dobsonian Telescope
  • 8x50 Finderscope
  • 10mm Plossl Eyepiece
  • 25mm Plossl Eyepiece
  • 2"-to-1.25" Adapter
  • Limited 2-Year Warranty


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