Explore Scientific 8-Inch Dobsonian Reflector Telescope
Lead-time: Mid September 2025
Ships To: United States & Canada 🇺🇸 🇨🇦
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8-Inch Dobsonian f/5.9 Reflector Telescope by Explore Scientific - ES-ON20859
A Window Into The Night Sky
With 8 inches of light-gathering power and a fast focal ratio, this Newtonian reflector is a workhorse that is a perfect tool for observing and imaging nebulae, galaxies and star clusters while also providing striking views of our solar system’s top sights.
Its focal ratio of f/5.9 delivers the wide field of view and shorter exposure times that are crucial for deep sky astrophotography. The Dobsonian mount is simple to operate, smooth to move and enhanced with a spring tension system to maintain tube balance and accommodate optional accessories.
Features:
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Large 208mm primary mirror has impressive light-gathering capability that is great for exploring deep sky, the planets and the lunar landscape
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Smooth Dobsonian mount is easy for astronomers of all skill levels to operate and has a spring-based tension system to maintain tube balance
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1219mm focal length delivers a fast focal ratio of f/5.9, which means brighter images, a wider field of view and shorter exposure times for astrophotography
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Includes a 25mm Plossl eyepiece for a magnification power of 49x
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2-inch Crayford focuser comes with a 1.25-inch adapter to accommodate a range of eyepieces and accessories
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Included accessories are a red-dot finder scope for locating objects in the night sky, a smartphone adapter to aid in simple astrophotography and a dust cover to minimize the build-up of dust and fine debris on the mirrors when in transit or storage
What's Included:
✓ Explore Scientific 8-Inch Dobsonian Reflector Telescope
✓ Dobsonian Mount
✓ 25mm Plossl Eyepiece (49x Magnification)
✓ 2-Inch Crayford Focuser w/ 1.25" Adapter
✓ Red Dot Finderscope
✓ Smartphone Adapter
✓ Dust Cover
✓ 1 Year Limited Warranty
Specifications:
|
Item Number |
ES-ON20859 |
|
Primary Mirror Diameter |
208mm |
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Focal Length |
1219mm |
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Focal Ratio |
f/5.9 |
|
Optical Tube Weight |
19 lbs., 15.5 oz. |
|
Base Weight |
18 lbs., 11 oz. |