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Reflecting-telescope
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BRESSER - Bresser Messier Dobson telescope with parabolic primary mirror and 2.5" HEX-focuser
4007922037127
New product
- Newtonian optics with parabolic primary mirror made from H-PZ33 low expansion glass material
- 2.5" HEX focuser with rack & pinion drive
- Large altitude wheels provide smooth and precise movement even at high magnifications
- 6x30 finder and SPL 25mm eyepiece included
- 9-point flotation system mirror cell for the for primary maximizes optical performance
- Tube rings facilitate the use of the optics on equatorial mounts
- The parts or the rocker-box are connected with metal furniture fasteners for easy assembly and dissasembly
- Diffraction limited optics: Strehl > 0.8
- Full aperture solar-filter included
- Telescope for night and solar observation
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Product information "BRESSER Messier 10" Dobson"
NEW - now including a high-quality lens solar filter for the safe observation of sunspots, eclipses and planetary transits. A high quality telescope for night and solar observation.
The BRESSER Messier 10 "Dobsonian is something very special. Despite the low price, it offers a variety of functions and quality that are sometimes unavailable in considerably more expensive telescopes. With its 254 mm diameter optics, this telescope is not limited to solar system observation of the Moon and brighter planets - you can also observe far out into the universe and see globular clusters, nebulae and galaxies. Details become visible in most deep-sky objects: globular clusters are broken down into individual stars and nebulae, which are only hinted at in smaller scopes, show considerable structure. This Dobsonian is unsurpassed in versatility within its price range: the excellent, large Hexafoc focuser has an opening of 65 mm - so even with large wide-field eyepieces, there is no noticeable vignetting from the eyepiece extension tube. The large elevation wheels also hold the telescope level with just the right amount of "sticktion", even when heavier eyepieces are used. And when a lot of heavier accessories are attached, such as the Bresser Binoviewer attachment, then the entire telescope tube can be moved within the tube rings - and everything is balanced again in a flash. The unsurpassed rigidity of the focuser makes it easy to focus - photography with this OTA is no problem either as the supplied extension tube for the focuser can be removed and a camera easily bought to a prime focus position. This is another strength of this universal telescope: if you want to take photos, you can simply unscrew the elevation wheels from the tube and place it on an equatorial mount with a standard dovetail rail - other rival Dobsonians do not offer this level of flexibility or pathway to more expansive astrophotography use. An optional dual speed 10:1 gear reduction for the focuser is available for those who need extra fine control of focus. If you consider that the focuser is the telescope part that is used most often, the supply of the Hexafoc on this telescope is a quantum leap for this price range.
With the initial equipment you can observe immediately - a 6x30 viewfinder and a 25mm SPL eyepiece are included within the package. If you want to transport the device as compactly as possible, it is easy with the new 10 "BRESSER Messier - the rocker box can be dismantled in a few simple steps, as the parts are assembled with metal quick-release connectors. A bulky rocker box quickly becomes a handy flat package of boards within a few minutes. This is a telescope whose versatility, performance and ease of use set new standards in this price range.
Please note that while Newtonian type reflecting telescopes are very good for astronomical observations in the night sky, they not well-suited for observing nature and landscapes during the day. We therefore recommend BRESSER refracting or Cassegrain designs of telescopes for additional nature and landscape observations.
PROPERTIES
Type: mirror telescope
Mirror diameter: 254mm / focal length: 1270mm / F / 5
Maximum useful magnification: 508 times
Telescope for night and solar observation
2.5" HEXAFOC focuser
Main mirror made of special glass, with low thermal expansion
Hassle-free focusing, even with heavy accessories
Easy to move tube
Dismountable rocker box
Tube mounting on altitude bikes using clamps
Use of the optics on other mounts as well
Adjustment and construction screws of different sizes
Base diameter 54cmWhat's Included
Tube with Newtonian optics
Full aperture Solar filter
6x30 viewfinder
25mm Super Plössl eyepiece (Ø 31.7 mm / 1.25 ")
1 extension tube 37.5mm for 2.5 " Hexafoc
1 eyepiece adapter 1.25" to 2"/31.7 to 50.8 mm
2 Tube Rings
2 Altitude support wheels
Rocker box with 2 base plates and mounting material (disassembled for self-assembly)
Shipping dimensions Box1: 134x44x44cm - 19.0kg
Shipping dimensions Box2: 61x61x24cm - 17.0kg
| Angular resolution (arc seconds): | 0.45 |
|---|---|
| Aperture ratio: | 5 |
| Batteries included: | 0 |
| Colour: | white |
| Compass: | 0 |
| ED glass: | 0 |
| Extended warranty (years): | 10 |
| Field of application [Telescopes]: | Deep Sky Observation, Deep Sky Photography, Lunar observation, Lunar photography, Planetary observation, Planetary photography, Solar observation |
| Finderscope: | 6 x 30 mm |
| Focal length (mm): | 1270 |
| Focus Group [Telescopes]: | Advanced Amateurs, Beginners, Visual enthusiasts |
| Focusing system: | 2.5" Hexafoc |
| Material: | Aluminium |
| Material Primary mirror: | Special low expansion H-PZ33 |
| Maximum recommended magnification: | 500 |
| Mirror/Lens diam. (mm): | 254 |
| Mount Type [Telescopes]: | Dobson |
| Net Weight total (incl. accessories) (g): | 27600 |
| Net weight OTA (incl. accessories) (kg): | 16.4 |
| Net weight mount (incl. accessories) (kg): | 11.2 |
| Obstruction (%): | 27 |
| Optical design: | Newtonian Reflector |
| Primary mirror diam. (mm): | 254 |
| Product Family [Telescopes]: | Reflector telescope |
| Reticle: | 0 |
| Secondary mirror diameter (mm): | 70 |
| Total height (mm): | 1320 |
| Total length (mm): | 510 |
| Total width (mm): | 510 |
| Tripod height adjustment: | 0 |
| Tube diameter (mm): | 300 |
| Tube length (mm): | 1200 |
| Visual limiting magnitude (approx., mag): | 13.8 |
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