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Omegon Advanced N 203/1200 Dobsonian Telescope
With a 203mm parabolic reflector, the Omegon Advanced N 203/1200 Dobsonian Telescope provides a 1200mm focal length, 2-inch focuser, and wooden rocker-box mounting.
- 203mm aperture provides 0.57-arcsecond resolution
- 1200mm focal length uses f/5.9 optics
- 2-inch Crayford focuser accepts accessories
- 25mm and 10mm eyepieces included
- 8×50 finder and rocker base included
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Description
Explore faint nebulae and distant spiral galaxies with the Omegon Advanced N 203/1200 Dobsonian Telescope large-aperture parabolic reflector system. Designed in Germany, this popular 8-inch telescope features a 203mm (7.99 inches) aperture and a 1200mm focal length at f/5.9. The Omegon Advanced N 203/1200 delivers 0.57 arcsecond Dawes resolving power and reaches magnitude 13.3.
The Omegon Advanced N 203/1200 Dobsonian Telescope features a BK7 parabolic primary mirror with high-reflectivity multi-layer aluminum coatings and a protective silicon dioxide top coat. Its roll-formed heavy-gauge steel cylinder shell incorporates cast aluminum cell end rings and manual collimation retention screws. Resting inside a wooden rocker box base, the complete setup weighs 19.40 kg (42.77 lbs), with the 235mm by 1150mm optical tube weighing 9.20 kg.
Key Features of Omegon Advanced N 203/1200 Dobsonian Telescope
Engineered for deep-space dark-sky tours, this Omegon Advanced N 203/1200 Dobsonian telescope gathers ample light with its 8-inch parabolic primary mirror. Its smooth rocker box base and 2-inch Crayford focuser make navigating star clusters, nebulae, and faint galaxies simple and rewarding.
- 203mm (7.99 inches) aperture with 1200mm focal length and versatile f/5.9 ratio
- Precision parabolic primary mirror made from standard BK7 optical glass
- Multi-layer aluminum optical coatings with protective silicon dioxide layer
- 47mm planar secondary mirror obstruction (23.15% diameter, 5.36% area)
- 2-inch Crayford friction drive focuser with step-down 1.25-inch adapter collar
- Wooden Dobsonian rocker box base with side cast altitude tension hubs
- High-aperture 8×50 optical crosshair finder scope fixed on base shoe
- Plossl 25mm and Plossl 10mm eyepieces with side eyepiece storage tray
8-Inch Parabolic Mirror & 2-Inch Crayford Focuser
The 203mm parabolic mirror collects significant photon volume to reveal intricate deep-sky structures. Featuring a backlash-free 2-inch Crayford focuser, this Omegon Dobsonian telescope accommodates both wide-field 2-inch eyepieces and high-power 1.25-inch oculars across magnifications from 29x up to 400x.
Dobsonian Rocker Box & 8×50 Finder Scope
Navigating star fields is intuitive with the classic Dobsonian mount. The Omegon Advanced N 203/1200 glides on smooth Teflon and altitude bearings for effortless manual nudging. Supported by an 8×50 high-aperture optical finder scope, observers can easily locate and track faint deep-sky targets across the celestial sphere.
- Wooden rocker box base with side altitude clamping brackets and eyepiece tray
- 8×50 high-aperture optical crosshair finder scope for locating faint targets
- Plossl 25mm and Plossl 10mm eyepieces included for immediate observation
Omegon Advanced N 203/1200 Warranty
Designed in Germany, the Omegon Advanced N 203/1200 Dobsonian Telescope comes with a 2-year limited warranty against material and manufacturing defects. The factory package contains the 203mm parabolic Newtonian OTA, wooden rocker box base, side clamping brackets, eyepiece storage tray, 8×50 finder scope, and two Plossl eyepieces.
Omegon Advanced N 203/1200 Dobsonian Telescope Specs
| Brand | Omegon |
| Full Model Code | Omegon Advanced N 203/1200 Parabolic Newtonian Reflector Dobsonian Base Mount System |
| Country of Origin | Germany (Designed) / China (Manufactured) |
| Optical Design | Newtonian Reflector (Parabolic Primary Mirror Layout with Planar Secondary Mirror) |
| Aperture | 203 mm (7.99 inches) |
| Focal Length | 1200 mm |
| Focal Ratio | f/5.9 |
| Optical Coatings | High-Reflectivity Multi-Layer Aluminum Coating Matrix with Protective Silicon Dioxide Top Coat |
| Glass Material | Standard BK7 Optical Glass Substrates |
| Secondary Mirror Obstruction | 47 mm |
| Secondary Mirror Obstruction by Diameter | 23.15% |
| Secondary Mirror Obstruction by Area | 5.36% |
| Resolving Power | 0.57 Arcseconds (Dawes), 0.68 Arcseconds (Rayleigh) |
| Limiting Visual Magnitude | 13.3 |
| Highest Useful Magnification | 400x |
| Lowest Useful Magnification | 29x |
| 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 Assembly with Step-Down 1.25-inch Adapter Collar |
| Mirror Lock Mechanism | Yes (Rear Secondary Pull-and-Push Manual Collimation Retention Screws on Mirror Base) |
| Optical Tube Dimensions | 235 mm x 1150 mm |
| Optical Tube Weight | 9.20 kg (20.28 lbs) - OTA Only / 19.40 kg (42.77 lbs) - Combined Total Assembly Weight |
| Mount Attachment Type | Side-Mounted Cast Altitude Tension Hubs Resting into Dobsonian Rocker Box Channels |
| Finder Scope Specification | 8x50 High-Aperture Optical Crosshair Finder Scope Assembly Fixed on Base Base shoe |
| Included Accessories | 203mm Parabolic Newtonian OTA, Wooden Rocker Box Base, Side Altitude Clamping Brackets, Eyepiece Storage Tray Extension, 8x50 Finder Scope, 1.25-inch Plossl 25mm Eyepiece, 1.25-inch Plossl 10mm Eyepiece |
| Standard Warranty | 2-Year Limited Warranty |
| Application | Deep-space dark-sky visual exploration tours targeted at faint galaxies, deploying an 8-inch light gathering surface to pull out thin structures within nebula boundaries. |
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