Omegon 254/1016 Pro Astrograph OTA: the 10-inch light cannon
The Omegon Pro Astrograph 254/1016 The largest astrographe-Newton with a full tube: 254 mm parabolic mirror with 94 percent reflective coating at exactly f/4. Weak star systems, emission nebulae, and fine structures are within reach without endless exposure sequences.
The main mirror fan quickly brings the large mirror to ambient temperature, so you can shoot in full resolution earlier in the night.


3 inch Crayford and 88 mm viewfinder mirror
The 3 inch Crayford-focuser with 1:10 reduction delivers complete camera rigs without vignetting, and the generous 88 mm viewfinder also fully exposes large sensors. The 35 mm extension and the 2/1.25 inch adapter cover visual and photographic use.
Tube rings and Vixen swan tail are included; expect a mount in the EQ6 class or heavier.
Included
- Newton-astrograph 254/1016 with parabolic main mirror (94 percent reflectivity)
- Main mirror fan
- 3 inch Crayford-focuser with 1:10 reduction
- Capture mirror 88 mm
- 2/1.25 inch adapter and 35 mm extension
- Tube rings with Vixen swallowtail
Featured accessories
The Omegon laser collimator (44.90 euros) keeps the mirrors aligned; with every Newton there is one in the box. The Omegon Pro UHC 2 inch filter (89 euros) removes emission fog, and the Omegon Powerbank 10k 12V (39.90 euros) powers a fan, mounting and camera on site.
For whom yes, for whom no
Well: demanding deep-sky photographers with heavy equipment who combine maximum aperture and speed. Not: those who prioritize stability above size or work on the go; the 203/800 Carbon is lighter and easier to carry for your equipment. Confused about the models? Choice assistant helpt. More Omegon is on the brand page.
Specifications
| Feature | Value |
|---|---|
| Opening | 254 mm |
| Focal length | 1016 mm |
| Opening ratio | f/4 |
| Optical design | Newton astrograph (parabolic, 94 percent reflectance) |
| Ventilator | Main mirror fan |
| Focuser | 3 inch Crayford, 1:10 |
| Vangspiegel | 88 mm |
| Execution | OTA (loose tube) |





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