8-inch Dobsonian Reflector Telescope

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Sale price$ 599.99
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Product options: 8 Inch

The 8-inch Newtonian Reflector Telescope is a powerhouse for deep-sky exploration and astrophotography. With a large 208mm primary mirror and a fast f/5.9 focal ratio, this telescope excels at capturing bright, wide-field views of nebulae, galaxies, and star clusters, while also delivering crisp detail of the Moon and planets. Its 1219mm focal length supports shorter exposure times—ideal for imaging faint celestial objects with clarity and efficiency.

Mounted on a smooth, easy-to-operate Dobsonian base, this telescope offers intuitive navigation and is equipped with a spring tension system to maintain tube balance and support optional accessories. A 2-inch Crayford focuser with a 1.25-inch adapter gives you compatibility with a wide range of eyepieces and accessories. Whether you're imaging with a smartphone or observing with the included 25mm Plossl eyepiece, this telescope is built to deliver a powerful and accessible night sky experience.

SKU: ES-ON20859

Standout Features

Outstanding Deep Sky Performance

The 208mm primary mirror offers impressive light-gathering capability, making this telescope ideal for exploring faint deep-sky targets like nebulae, galaxies, and star clusters, as well as detailed views of planets and the Moon.

Astrophotography-Ready Optics

With a 1219mm focal length and fast f/5.9 focal ratio, this telescope delivers bright images, a wider field of view, and shorter exposure times—perfect for capturing high-quality astrophotos.

Stable and Intuitive Dobsonian Mount

The smooth Dobsonian mount is designed for all experience levels and features a spring tension system that keeps the optical tube balanced, even when using optional accessories.

Complete Accessory Package

Includes a 25mm Plossl eyepiece for 49x magnification, a red-dot finder scope for quick targeting, a smartphone adapter for simple astrophotography, and a dust cover to protect your optics during storage or transport.

Product Specifications

Item Number: ES-ON20859
Primary Mirror Diameter: 208mm
Focal Length: 1219mm
Focal Ratio: f/5.9
Optical Tube Weight: 19lbs. 15.5 oz.
Base Weight: 18lbs. 11 oz.

Customers praised this telescope's excellent performance for deep-sky observation. Shoppers reported clear views of the Andromeda galaxy and planets, describing it as a "great product." The telescope appears to deliver impressive capabilities for astronomical viewing.

  • Can clearly see the Andromeda galaxy and all the planets! Super!
  • 5 stars: 5 (83%)
  • 4 stars: 1 (17%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
Some of the reviews shown are from related products the merchant grouped with this one.
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Paul Patrick (United States)

The Scope is wonderful, The shipping was very fast, The ease of assembly was very good, The only thing that puts a blemish on this review is when received the dust cover had a very large crack, company notified but no answer as of writing this review...2nd large purchase from Explore Scientific. Hope they make it right...

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Wesley

Ive bought a good deal from explore scientific and honestly, am very happy with everything they put out. Overall the scope is sturdy and the burgandy color really makes this one stand out from other dobs on the market.

The dob itself feels very sturdy and well-made. Not a single loose bit on it. When i got my dob there was a small bit of mystery oil on the outside of the tube but rubbed right off. I did manage to get first light on it the night I put it together and it came very well-collimated even after bumping around in a mail van.

The primary mirror did come with a small, roughly 1/2 inch smudge but im 100% positive it has no negative effect on my views. Something super minor.

The worst thing about the dob is the red dot accessory if you can even call it a red dot. It is so poorly made. The red dot lens itself is very dark so when you try to look through it you cant even see the stars. Just throw it away and dont waste your time on trying to make it work.

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Cecil Beverly (United States)

Great telescope!

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Anonymous (United States)

Its my first telescope so I have no benchmark for comparison. I do like it a lot. Its really easy to spot targets and focus. I've been able to take images of moon craters and Jupiter and its moons. Its fun learning with it.

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Matt (United States)

Great product ! Love it and can clearly see the Andromeda galaxy and all the planets ! Super !

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Anonymous (United States)

I love it. The website video and included tools made it a fast setup. Now I have all the tools for adjustmens later if needed. It arrived very fast and packed professionally. I wanted this one for it's portability and it accepts different size eyepieces. The eyepiece that is included is very nice and it was neat to get to use the cell phone adapter to dabble in astrophotography. I watched Venus on my first night if you are wandering. Thanks!