Spectrum Optics - 8" Dobsonian Telescope with Accessory Kit

SKU
SOI-1104201
Special Price $549.00 Regular Price $649.00
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Exclusive kit only available at Telescopes.net, this Spectrum Optical Instruments 8" Dobsonian telescope comes with two Plossl eyepieces (25mm and 12.5mm), a red dot finder, finderscope bracket, 2-1.25" adapter, assembly tools, and an owner's manual. 

The Spectrum Optics DS 200mm Dobsonian Telescope delivers powerful 8-inch aperture performance in a simple, easy-to-use design. With enhanced reflective optics, a dual-speed Crayford focuser, and ultra-smooth motion controls, it’s ideal for both deep-sky and planetary observing. A complete, ready-to-use system for astronomers who want big views without complexity.

This Dobsonian telescope features a unique curved spider vane design to reduce spikes on bright stars, an easy tension control knob for smooth and easy controls on altitude adjustments, a parabolic primary mirror with enhanced aluminum coatings with 93% reflectivity, and a Teflon padded rocker box for easy movement.  

Spectrum Optics 8" Dobsonian Telescope Exclusive Package with Accessory Kit

Experience powerful, crystal-clear views of the night sky with the Spectrum Optics 8" Dobsonian Telescope. Designed for both beginner and intermediate astronomers, this 8-inch aperture reflector delivers bright, detailed images of galaxies, nebulae, planets, and the Moon without the complexity of advanced mounts.

Built with precision optics and user-friendly mechanics, this Dobsonian telescope combines performance, portability, and value into one complete observing system. Whether you're star-hopping through deep space or dialing in sharp planetary detail, the DS Series makes every session smooth and enjoyable.

Key Features

200mm Aperture for Bright, Detailed Views

Capture more light and reveal faint deep-sky objects with the large 8-inch (200mm) primary mirror—perfect for galaxies, nebulae, and star clusters.

Enhanced Reflectivity Optics (93%)

The parabolic primary mirror features enhanced aluminum coatings, delivering up to 93% reflectivity for brighter, higher-contrast images.

Curved Spider Vanes for Cleaner Star Images

A unique curved spider vane design minimizes diffraction spikes, giving you more natural-looking stars and improved viewing aesthetics.

Dual-Speed 2" Crayford Focuser

Achieve pinpoint accuracy with the smooth, backlash-free 2-speed Crayford-style focuser, compatible with both 1.25" and 2" eyepieces.

Smooth Dobsonian Motion

  • Teflon-bearing azimuth base for effortless rotation
  • Adjustable tension control knobs for precise altitude movement
  • Ideal for easy manual tracking and star hopping

Quick & Easy Assembly

The simple rocker box design assembles quickly, so you can spend less time setting up and more time observing.

What’s Included

  • Optical Tube Assembly (OTA)
  • Dobsonian Base (Rocker Box)
  • 2x Plössl Eyepieces (25mm & 12.5mm, 1.25")
  • Red Dot Finder
  • Finderscope Bracket
  • 2" to 1.25" Adapter
  • Assembly Tools
  • Owner’s Manual

Technical Specifications

  • Aperture: 200mm (8")
  • Focal Length: 1200mm
  • Focal Ratio: f/5.9
  • Magnification (included eyepieces):
    • 25mm = 48x
    • 12.5mm = 96x
  • Optical Tube Length: 44.5"
  • Total Weight: 29 lbs
  • Focuser: Dual-Speed 2" Crayford (with 1.25" adapter)

Why Choose the Spectrum Optics DS Dobsonian?

The Spectrum Optics DS 200mm Dobsonian strikes the perfect balance between optical power, ease of use, and affordability. Its large aperture reveals stunning celestial detail, while its intuitive design makes it ideal for users who want a straightforward, hands-on observing experience.

From Saturn’s rings to distant galaxies, this telescope delivers immersive views without complicated setup or tracking systems.

Best Choice For: 

  • Beginner to intermediate astronomers
  • Deep-sky observing (galaxies, nebulae, clusters)
  • Planetary and lunar viewing
  • Backyard astronomy and dark-sky trips

More Information
Brand Spectrum Optical Instruments
Free Shipping Free Shipping Available
Aperture 8"
Case Included No
Focal Length 1200mm
Focal Ratio f/5.6
Focus Type Crayford
Focal Length of Eyepiece 1 25mm
Magnification of Eyepiece 1 48x
Focal Length of Eyepiece 2 12.5mm
Magnification of Eyepiece 2 96x
Finderscope Included Red Dot Finder with Bracket
Optical Coatings Aluminum
Optical Tube Weight 29 lbs.
Accessory Tray Included? No
Adjustable Legs? No
GPS No
Includes Autoguide Port No
Periodic Error Correction Yes
Warranty 3 Year Spectrum Warranty
In The Box
  • Spectrum Optical Instruments 8" Dobsonian with Base
  • 2" Crayford Focuser
  • Red Dot Finder with Bracket
  • 25mm and 12.5mm Plossl Eyepieces
  • 2"-1.25" Adapter
  • Assembly Tools
  • User Manual
  • Spectrum Optical Instruments 8" Dobsonian with Base
  • 2" Crayford Focuser
  • Red Dot Finder with Bracket
  • 25mm and 12.5mm Plossl Eyepieces
  • 2"-1.25" Adapter
  • Assembly Tools
  • User Manual
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