Omegon Dobson Telescope Advanced X N 304/1500
The Advanced X 304/1500 is a powerful 12-inch telescope designed to literally take you further into the universe. With 304 mm light gathering capacity and a focal length of 1500 mm, this is the instrument for deep-sky enthusiasts who want to observe detailed nebula structures, faint galaxies, and planetary disks in the finest detail. This is visual astronomy in HD.
✓ Massive 12″ mirror for maximum contrast and resolution ✓ Parabolic primary mirror with 94% reflection coating ✓ Crayford focuser for smooth, precise focusing ✓ Dobson mount with Teflon bearings and stability-enhancing tension springs ✓ Mirror fan for rapid cooling and sharp images
Whether you want to split the Trapezium stars in Orion individually or see the spiral arms of M51 twisting in the darkness – this telescope gives you the visual range normally only seen in photographs.
Technical Specifications
Optics and performance
- Type: Reflector (Newton)
- Aperture: 304 mm
- Focal length: 1500 mm
- Focal ratio: f/5
- Resolution: 0.38″
- Limiting magnitude: 14.2 mag
- Maximum usable magnification: 600x
- Light gathering: 1885× compared to naked eye
- Mirror coating: Aluminum + SiO₂ (94%)
- Primary mirror: Parabolic
- Secondary mirror: ~70 mm (estimated)
- Secondary obstruction: ~23%
Focuser
- Type: Crayford
- Connection: 1.25″
- Adjustment range: 48 mm
- Back focus: 50 mm
- Camera thread: T2 (internal)
Mount
- Type: Dobson (azimuthal)
- Material: Wooden rocker box
- Tube weight: ±17 kg
- Mount weight: ±14 kg
- Total weight: ±31 kg
- No GoTo – manual control
Dimensions
- Tube length: ±1500 mm
- Eyepiece height (zenith): ±1350 mm
- Rocker box width: ±550 mm
Included Accessories
- Eyepiece: 25 mm Plössl (1.25″)
- Finder: 6×30 optical
- Integrated accessory tray
- Fan under primary mirror (battery-powered)
Application
- Moon planets: ✓ detailed, even at high magnifications
- Nebulae galaxies: ✓ impressively deep – shows structures that disappear in smaller telescopes
- Nature observation: ✗ unsuitable
- Astrophotography: ✗ visual telescope, not suitable for long exposures
- Solar observation: ✗ only with proper solar filters
- For beginners: ✗ on the large side, unless familiar with Dobson systems
- For advanced users: ✓ ideal – maximum performance for serious observers
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