Explore Scientific 8” f/3.9 Carbon Fiber Newtonian OTA - Astrograph Edition
Explore Scientific has developed the 208mm Newtonian with a highspeed f/ratio of f/3.9, much faster than most similar imaging Newtonians currently on the market. Faster optics makes it easier to get a deeper shot without the hassle of increasing exposure times.
The Newtonian's primary mirror features 97% reflectivity EMD coatings, and the no-tool, 3-point, push-pull collimatable secondary mirror holder adjustments and no tool adjustments for the "clipless" primary mirror holder cell have locks so the optics stay aligned and produce the best images. The OTA is made of Carbon Fiber, for good looks, a lighter weight compared to aluminum, and virtually non-existent focus drift during longer exposures.
Accessories include a 2” dual speed Rack & Pinion focuser with 10:1 reduction and a 50mm Extension Tube and 1.25" Adapter. It also has Cradle Rings with a built-in handle, a Vixen-style dovetail, and a soft carry case. A finderscope base is attached to the OTA, but the bracket and finder are sold separately.
- Explore Scientific 8" f/3.8 Newtonian Telescope OTA
- 10:1 Precision Dual Speed 2" Rack & Pinion Focuser
- Cradle Rings with Handle
- Vixen-Style Dovetail
- Soft Case
- Finderscope Base (Finder/Bracket Sold Separately)
Dimensions & Specifications
Telescope Series: Explore Reflectors
Telescope Optical Design: Newtonian Reflector
Telescope Aperture: 8"
Telescope Focal Ratio: f/3.9
Telescope Focal Length: 812mm
Optical Coatings: EMD 97%
Secondary Mirror Central Obstruction: N/A
Diagonal Included: No - Not Recommended
Telescope Eyepiece(s) Included: No - Sold Separately
Finder Included: No - Sold Separately
Includes Telescope Case: Yes
Focuser Size: 2"
Focuser Speed: Dual Speed
Telescope Mount Type: No Mount - OTA Only
Telescope OTA Weight: 22lb
We stand behind all the products we sell, and your satisfaction is our top priority. If you're not satisfied with the quality of your purchase, simply send the item back to us in its original packaging within 30 days of its delivery.
Limited Warranty is one year, which converts to the Explore STAR Transferrable Extended Life of the Product Warranty when product is registered within 60 days of purchase.
Return & Exchange Policy
At our site, returns are easy! You may return new, unused, and resalable items for a refund or exchange. Simply ensure that the item is returned in its original product packaging within 30 days of delivery.
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