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Explore Scientific

Explore Scientific 8-inch Dobsonian Reflector Telescope ES-ON20859

Explore Scientific 8-inch Dobsonian Reflector Telescope ES-ON20859

$449.99
$449.99
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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.

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.

Specifications

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.

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Frequently Asked Questions

With a beginner telescope you can see a surprising amount — the craters and mountains on the Moon, the rings of Saturn, the moons of Jupiter, and star clusters like the Pleiades. As you get more comfortable, you can also spot nebulae and distant galaxies. Not sure which beginner telescope is right for you? Check out our Telescope Buying Guide.
Orders are usually processed within 1–2 business days, and standard delivery takes 4–8 business days after that. You'll receive a shipping confirmation email with your tracking number as soon as your order ships. Free standard shipping applies to the 48 contiguous US states. For full details, visit our Shipping Policy.
You have 30 days from delivery to request a return. Items must be unused, unassembled, and in their original packaging with all accessories. To start a return, email info@telescopewolves.com with your order number — returns sent without approval can't be accepted. For change-of-mind returns, you cover return shipping and a 5% restocking fee applies. Refunds go back to your original payment method. See our full Refund Policy for details.
Yes! If you find a lower advertised price on an identical, new, in-stock item from an authorized online retailer within one month of your purchase, we'll refund you the difference (item price plus shipping, excluding taxes). Just email info@telescopewolves.com with your order number and a link or screenshot of the lower price. Learn more on our Price Match Guarantee page.
All telescopes on Telescope Wolves are hand-picked with beginners in mind. If you're unsure which telescope is right for you, check out our Telescope Buying Guide.
Please inspect your order as soon as it arrives. If anything is damaged, defective, or incorrect, email info@telescopewolves.com within 48 hours of delivery with your order number, a short description, and photos of the item, and we'll arrange a replacement or refund.
Absolutely. Our team is available Monday to Friday, 9am–5pm EST. The best way to reach us is by live chat or by email at info@telescopewolves.com. You can also visit our Contact Us Page.