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Bresser Dobson N 254/1270 Messier DOB Telescope
For larger-aperture manual observing, the Bresser Dobson N 254/1270 Messier DOB Telescope uses a 254mm parabolic reflector, 1270mm focal length, and full-size rocker-box mount.
- 254mm primary mirror provides 0.45-arcsecond resolution
- 1270mm focal length uses f/5 optics
- Full-size rocker box supports manual movement
- 25mm eyepiece provides listed 51x magnification
- 2-inch extension tube and adapter included
- Solar lens filter and 6×30 finder included
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Description
Reaching this catalog’s sharpest resolving power, the Bresser Dobson N 254/1270 Messier DOB Telescope carries a 10-inch parabolic mirror — 0.45-arcsecond resolving power and a limiting magnitude of 13.8, the deepest-reaching numbers of any telescope in this lineup.
At 16.4kg for the tube alone, this is genuinely the heaviest single optical tube in this catalog, built for an observer who has floor space, patience for setup, and a specific goal of seeing the faintest galaxies and nebulae this catalog can reach. Large powder-coated altitude wheels keep an aperture this substantial moving smoothly by hand despite the tube’s considerable weight.
Key Features of Bresser Dobson N 254/1270 Messier DOB Telescope
A 10-inch parabolic Newtonian mirror resolves down to 0.45 arcseconds, reaching a limiting magnitude of 13.8, the deepest reach in this entire catalog.
- 10-inch parabolic mirror is the largest aperture in this entire catalog
- 0.45-arcsecond resolving power is the sharpest number this catalog reaches
- Large altitude powder-coated radii wheels keep this substantial aperture moving smoothly
- 2.5-inch Hexafoc heavy-duty focuser handles a full 2-inch imaging train
- Solar lens filter included for safe daytime solar observation
- Magnification range from 36x to 500x, the highest ceiling in this catalog
- Maximum aperture suits a dedicated deep-sky observer with the space to house it
Where the N 254/1270 Pulls Ahead
Against the 8-inch Dobson sharing this catalog’s full-size floor-standing format, the 254/1270 gathers considerably more light and resolves finer detail — the deepest reach into faint galaxies and nebulae this catalog offers, at the cost of the heaviest tube to move and store.
Applications & Use Cases
Built for deep-sky manual tracking and high-resolution planetary tracking, this telescope captures deep galactic details and intricate nebulae structures for a dedicated deep-sky observer.
- Serious deep-sky observers wanting this catalog’s maximum aperture
- Observers with dedicated storage and floor space for the largest tube here
- Anyone prioritizing resolving power above every other consideration
Bresser Warranty & Support
The Messier 10-Inch Dobsonian carries a 2-Year Factory Warranty covering manufacturing defects, handled directly through Bresser’s support channel.
Bresser Dobson N 254/1270 Messier DOB Telescope Specs
| Brand | Bresser |
| Full Model Code | Bresser Messier 10-Inch Dobsonian |
| Country of Origin | Germany |
| Optical Design | Newtonian Reflector (Parabolic Main Mirror Format) |
| Aperture | 254 mm (10.0 inches) |
| Focal Length | 1270 mm |
| Focal Ratio | f/5 |
| Optical Coatings | High-Reflective Aluminum Coatings with Protective Overcoat |
| Secondary Mirror Obstruction | 61 mm |
| Secondary Mirror Obstruction by Area | 5.8% |
| Resolving Power | 0.45 Arcseconds |
| Limiting Visual Magnitude | 13.8 |
| Highest Useful Magnification | 500x |
| Lowest Useful Magnification | 36x |
| Optical Tube Material | Steel |
| Focuser Style & Mechanism | 2.5-inch Hexafoc Heavy-Duty Rack and Pinion Focuser |
| Mirror Lock Mechanism | No |
| Optical Tube Dimensions | 300 mm x 1200 mm |
| Optical Tube Weight | 16.4 kg (36.16 lbs) - Tube Only |
| Mount Attachment Type | Full-Size Alt-Azimuth Wooden Rocker Box with Large Altitude Powder-Coated Radii Wheels |
| Finder Scope Specification | 6x30 Optical Finder Scope |
| Included Accessories | 25mm Super Plossl Eyepiece (51x), 2-inch Extension Tube (25mm), 1.25-inch Reduction Adapter, Full-Size Wooden Rocker Box Mount, Heavy-Duty Tube Rings with Vixen Dovetail Plate, Solar Lens Filter |
| Standard Warranty | 2-Year Factory Warranty |
| Application | Deep-sky manual tracking and high-resolution planetary tracking, utilizing a massive 10-inch primary optical area to capture deep galactic details and intricate nebulae structures on an exceptionally smooth alt-azimuth bearing system. |
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