Brands - JMI



Sky-Watcher Collapsible Dobsonian 8"


SKU: S11700
Manufacturer: Sky-Watcher
Availability: IN STOCK
Telescope Type: Dobsonian
Aperture (in.): 8 inches
Aperture (mm): 203 mm
Focal Ratio: f/6
Focal Length: 1200 mm
Limiting Visual Magnitude: 14.2
Eyepiece 1: 25 mm
Magnification with Eyepiece 1: 48x
Eyepiece 2: 10 mm
Magnification with Eyepiece 2: 120x
Accepts 2-inch Eyepieces: Yes
Focuser Type: Crayford
Focuser Size: 2-inch
Finder: 8 x 50 optical right angle


The Sky-Watcher 8" Collapsible Dobsonian is a telecope to consider if you minimal volume for travel purposes. 

Quick Overview

  • 1200 mm focal length (f/6)
  • 2" Crayford-style focuser with 1.25-inch adaptor
  • 4-element Plossl 25 mm and 10 mm 1.25-inch eyepieces
  • 8x50 right angle erect-image finderscope
  • Solid rockermount with Teflon bearings and tension clutch for altitude
  • Teflon bearing for azimuth
  • Eyepiece height at zenith: 45.5 inches

The Sky-Watcher Dobsonian utilizes quality components throughout. Pride of workmanship manifests itself in high quality standards of optical and mechanical fabrication. The polishing process for primary and diagonal mirror yields smooth mirror surfaces ensuring good contrast, and properly corrected optics show minimum alterations to the optical wave-front.

On each primary mirror, and elliptical diagonal mirror aluminum is vacuum deposited to the front glass surface and then over coated with hard quartz (SiO4). Additional layers of Titanium Dioxide (TiO2) and (SiO4) are then applied. Dust covers help keep your Dobsonian clean when not in use.

An 8x50mm right angle optical viewfinder provides both magnification and light gathering to help narrow your search for those elusive fuzzies when star-hopping. The standard-equipment backlash-free 2-inch Crayford focuser insures ultra-smooth focusing adjustments. Multi-coated, 4-element Plossl eyepieces (25mm and 10mm) provide a spacious 52 degree Apparent Field of View.

The mechanical and structural components of the OTA exhibit rigid construction and outstanding stability. The mount construction is sturdy and rigid. Mount design, while simple, facilitates smooth motions about both axes. Quality accessories enhance the observer's viewing experience.

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