Omegon Dobsonian Telescope Advanced X N 254/1250
With the Advanced X 254/1250, Omegon opens up the sky in full detail. This 10-inch Dobsonian captures 2.5× more light than a 152mm telescope – ideal for observing faint nebulae, spiral arms of galaxies, and subtle structures on Jupiter and Saturn. The f/5 ratio offers a balance between high magnification and wide field of view.
✓ Enormous light gathering – see objects invisible to smaller telescopes ✓ Parabolic primary mirror with 94% reflective coating ✓ Crayford focuser with fine adjustment for precise focusing ✓ Sturdy wooden Dobsonian mount – intuitive, stable and vibration-free ✓ Fan under the mirror for quick thermal stabilization
With its solid construction, high optical quality, and intuitive operation, this is a dream telescope for serious beginners and advanced visual observers. Finding, tracking, and admiring objects is a physically and astronomically fluid experience.
Technical Specifications
Optics and performance
- Type: Reflector (Newton)
- Aperture: 254 mm
- Focal length: 1250 mm
- Focal ratio: f/5
- Resolution: 0.46″
- Limiting magnitude: 13.8 mag
- Maximum usable magnification: 500x
- Light gathering: 1315× compared to naked eye
- Mirror coating: Aluminum + SiO₂ (94% reflection)
- Primary mirror: Parabolic
- Secondary mirror: ~63 mm (estimated)
- Secondary obstruction: ~25% (estimated)
Focuser
- Type: Crayford
- Connection: 1.25″
- Adjustment range: 48 mm
- Back focus: 50 mm
- Camera thread: T2 (internal)
Mount
- Type: Dobsonian (azimuthal)
- Material: Wooden rocker box
- Tube weight: ±13 kg
- Mount weight: ±12 kg
- Total weight: ±25 kg
- No GoTo – manual control
Dimensions
- Tube length: ±1250 mm
- Eyepiece height (zenith): ±1300 mm
- Rocker box width: ±530 mm
Included Accessories
- Eyepiece: 25 mm Plössl (1.25″)
- Finder: 6×30 optical
- Accessory tray integrated into mount
- Mirror fan (battery powered)
Applications
- Moon planets: ✓ visible in finest detail
- Nebulae galaxies: ✓ sublime performance under dark skies
- Nature observation: ✗ not suitable
- Astrophotography: ✗ visual design, not for long exposures
- Solar observation: ✗ only with appropriate solar filters
- For beginners: ✓ possible – requires basic knowledge and fixed location
- For advanced users: ✓ excellent – great observing potential for the price
Reviews
There are no reviews yet.