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Omegon ProDob N 254/1250 DOB II
For long-focus planetary observation, the Omegon N 76/900 EQ-2 Telescope combines a 76mm spherical reflector with 900mm focal length and flexible equatorial slow-motion controls.
- 76mm aperture provides 1.53-arcsecond resolution
- 900mm focal length uses f/11.8 optics
- EQ-2 mount provides manual tracking
- 25mm and 10mm eyepieces included
- 6×30 finder and counterweight included
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Description
Gather faint deep-sky photons across distant nebulae with the Omegon ProDob N 254/1250 DOB II parabolic Newtonian reflector telescope. Designed in Germany, this 10-inch Dobsonian combines a 254mm (10.00 inches) aperture with a 1250mm focal length at fast f/4.9 speed. The Omegon ProDob N 254/1250 delivers 0.46 arcsecond Dawes resolving power and reaches magnitude 13.8.
The Omegon ProDob N 254/1250 DOB II incorporates a precision parabolic primary mirror made from premium quartz with near-zero thermal expansion and 94% enhanced reflective multi-layer aluminum coatings. Its roll-formed heavy-gauge steel cylinder shell features cast aluminum cell rings, active collimation lock bolts, and a 2-inch dual-speed Crayford focuser. Supported by heavy-duty elevation bearing clutches on a needle roller bearing wooden rocker box, the complete 26.50 kg (58.42 lbs) assembly ensures silky-smooth manual tracking.
Key Features of Omegon ProDob N 254/1250 DOB II
Built for high-contrast deep-sky visual sweeps and planetary exploration, this 10-inch Omegon ProDob II telescope pairs a quartz parabolic mirror with a needle-bearing rocker box. Its 2-inch Crayford focuser and 32mm SWA eyepiece deliver bright, high-definition views across faint celestial targets.
- 254mm (10.00 inches) aperture with 1250mm focal length and fast f/4.9 optical speed
- Premium quartz primary mirror substrate with near-zero thermal expansion index
- Enhanced multi-layer aluminum optical coatings achieving 94% enhanced reflectivity
- 58mm planar secondary mirror obstruction (22.83% diameter, 5.21% area)
- 2-inch dual-speed Crayford friction drive focuser with 1:10 micro-reduction
- Custom wooden rocker box mount base featuring needle roller bearing azimuth platform
- Heavy-duty side elevation bearing clutches for precise balance and tension control
- High-aperture 8×50 optical crosshair finder scope and 32mm premium SWA eyepiece included
10-Inch Quartz Parabolic Optics & 2-Inch Crayford Focuser
The 254mm parabolic quartz mirror maintains thermal stability under falling nighttime temperatures, delivering razor-sharp views of nebulae and lunar maria. Supported by a 2-inch Crayford focuser, this Omegon ProDob II supports visual magnifications from 36x up to 508x.
Needle Bearing Rocker Box & Elevation Friction Clutches
Effortless manual nudging is central to the visual Dobsonian experience. The Omegon ProDob N 254/1250 DOB II features a wooden rocker box equipped with needle roller bearings for fluid horizontal rotation. Its heavy-duty side elevation clutches provide adjustable friction control, preventing optical tube sag when using heavy wide-field eyepieces.
- Wooden rocker box base with needle roller bearing azimuth platform for smooth horizontal panning
- Heavy-duty side elevation bearing clutches for customized altitude tension control
- Premium 32mm SWA eyepiece paired with an 8×50 optical crosshair finder scope
Omegon ProDob N 254/1250 DOB II Warranty
The Omegon ProDob N 254/1250 DOB II telescope is backed by a 2-year limited warranty against material and manufacturing defects. The complete factory package contains the 254mm quartz Newtonian OTA, wooden rocker box mount base with needle bearing platform, 8×50 finder scope, 2-inch Crayford focuser, and a 32mm premium SWA eyepiece.
Omegon ProDob N 254/1250 DOB II Specs
| Brand | Omegon Pro |
| Full Model Code | Omegon ProDob N 254/1250 DOB II Parabolic Newtonian Reflector Telescope with Wooden Rocker Box Mount |
| Country of Origin | Germany (Designed) / China (Manufactured) |
| Optical Design | Newtonian Reflector (Parabolic Primary Mirror Layout with Planar Secondary Mirror) |
| Aperture | 254 mm (10.00 inches) |
| Focal Length | 1250 mm |
| Focal Ratio | f/4.9 |
| Optical Coatings | Enhanced Multi-Layer Aluminum Coating Matrix Achieving 94% Enhanced Reflectivity Levels |
| Glass Material | Premium Quartz Primary Mirror Substrate with Near-Zero Thermal Expansion Index |
| Secondary Mirror Obstruction | 58 mm |
| Secondary Mirror Obstruction by Diameter | 22.83% |
| Secondary Mirror Obstruction by Area | 5.21% |
| Resolving Power | 0.46 Arcseconds (Dawes), 0.54 Arcseconds (Rayleigh) |
| Limiting Visual Magnitude | 13.8 |
| Highest Useful Magnification | 508x |
| Lowest Useful Magnification | 36x |
| Optical Tube Material | Roll-Formed Heavy-Gauge Steel Cylinder Shell with Cast Aluminum Cell Framework End Rings |
| Focuser Style & Mechanism | 2-inch Crayford Precision Friction Drive Focuser with 1:10 Precision Micro-Focus Reduction |
| Mirror Lock Mechanism | Yes (Equipped with Active Main Base Collimation Lock Bolts and Spring-Loaded Cells) |
| Optical Tube Dimensions | 300 mm x 1200 mm |
| Optical Tube Weight | 13.50 kg (29.76 lbs) - OTA Only / 26.50 kg (58.42 lbs) - Combined Base and Tube Weight |
| Mount Attachment Type | Heavy-Duty Side Elevation Bearing Clutches Dropping into a Custom Wooden Rocker Box Base |
| Finder Scope Specification | 8x50 High-Aperture Optical Crosshair Finder Scope Assembly Fixed on Base Shoe |
| Included Accessories | 254mm Quartz Newtonian OTA, Wooden Rocker Box Mount Base with Needle Roller Bearing Azimuth Platform, 8x50 Finder Scope, 2-inch Crayford Focuser, 32mm Premium SWA Eyepiece |
| Standard Warranty | 2-Year Limited Warranty |
| Application | Deep-sky light-gathering visual observation loops, pairing a large 10-inch low-expansion quartz aperture mirror with a high-friction heavy-duty az bearing clutch system. |
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