Designed for serious stargazers, this powerful 10-inch Newtonian Reflector Telescope features a massive 254mm primary mirror that gathers an exceptional amount of light, bringing even the faintest deep-sky objects into view. Its fast f/4.7 focal ratio and 1200mm focal length make it an ideal choice for deep-sky observing and astrophotography, delivering wide-field, bright images with shorter exposure times.
The Dobsonian mount is simple to use and smooth to maneuver, making it accessible for astronomers of all skill levels. It includes a spring tension system that maintains tube balance—even when accessories are added. A 2-inch Crayford focuser with a 1.25-inch adapter ensures compatibility with a wide range of eyepieces and accessories. The package comes complete with a 25mm Plossl eyepiece (for 48x magnification), a red-dot finder for locating celestial targets, a smartphone adapter for capturing images, and a dust cover to keep your optics protected when not in use.
Massive Light-Gathering Power
The large 254mm (10-inch) primary mirror captures more light, allowing users to explore deeper into space and view fainter celestial objects with enhanced clarity and brightness.
Fast Optics for Deep Sky and Imaging
With a 1200mm focal length and f/4.7 focal ratio, this telescope delivers wide, bright views and enables shorter exposure times—perfect for astrophotography and deep-sky observation.
Easy-to-Use Dobsonian Mount
The smooth Dobsonian mount is simple to operate for beginners and experienced users alike, with a spring-based tension system that keeps the optical tube balanced when using additional accessories.
Complete Kit for Observing and Imaging
Includes a 25mm Plossl eyepiece (48x magnification), a red-dot finder for targeting objects, a smartphone adapter for simple astrophotography, and a dust cover to protect optics during transport or storage.
Technical Specifications
| Specification |
Value |
| Item Number |
ES-ON25447 |
| Primary Mirror Diameter |
254mm |
| Focal Length |
1200mm |
| Focal Ratio |
f/4.7 |
| Tube Weight |
24 lbs, 3 oz |
| Base Weight |
21 lbs, 8 oz |
In the Box
- Telescope OTA
- Base
- 25mm Plossl Eyepiece
- Red dot finder
- Phone adapter
Warranty & Manual
Explore Scientific 1 to 2-Year Warranty
Manual
