The Bresser Messier 10" dobsonian is simply a breakthrough. Despite of its low price this telesccope offers a versatility and quality rivaling a lot more expensive telecopes.

The optical diameter of 254mm (10") does not restrict your observations on solar system objects like the moon or the planets - you can reach farther into the sky and explore globular and open clusters, nebulae and galaxies.

With that telescope the majority of those objects are showing structures: globular clusters are no longer only fuzzy blobs, but are resolved into masses of individual stars. Nebulae , that can only be barely detected in smaller scopes, reveal structures within.

The telescope is setting a new standard in versatility: the excellence.

Hexafoc focuser boosts a free diameter of 65mm (2,5") so that you do not have vignetting in big widefield eyepieces that is caused by smaller focuser barrels. The big altitude wheels handle those big, heavy eyepieces without problems - and when you intend to load even more (like a binocular viewer with two eyepieces) then you can move the tube in its tube rings and achieve balance within seconds.

The excellent rigidity of the focuser makes focusing a snap - even for astrophotography. This is another virtue of this highly versatile telescope system: you can remove the altitude wheels from the tube rings, attach a dovetails and use the optical tube on a equatorial mount for astrophotography - in minutes.

The focuser is handling even heavy cameras tilt and shifting-free.

Are you extremely demanding in your image sharpness?
No problem - with the optional 10:1 gear reduction sharp images are easy. If you consider, that the focuser is that part of the telescope that is used most often, you will recognize the quantum leap this Hexafoc represents in a telescope of this price range.

With the included standard accessories (6x30-finder and 25mm SPL-eyepiece) the telescope is ready for observing.

If you need to transport or store the telescope as compact as possible you will like this: the rocker box of the 10" Bresser Messier assembles and dissassembles extremely easy and fast due to the use of metal standard furniture fasteners. So you can transform the bulky rocker box into a handy flat package of boards. 

This telescope is setting a new standard in usability, versatility and performance in its price class.

Please Note: Reflector telescopes with optical design “Newton” are very good for astronomical observing at the starry night sky. But these telescopes are not well usable for observing landscape and nature during daylight. Therefore we suggest BRESSER refractor (lens) telescopes for landscape and nature observing.
 
Highlight
Newton 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
 
Special Features
Diameter of primary mirror: 254 mm
Focal length: 1270 mm
2,5" HEXAFOC-Fokuser
Primary mirror made of low expansion glass
Shifting-free focussing even with heavy accessories
Tube can be shifted in the rings for easy balancing
Decomposable rocker box
Altitude bearings are connected to tube rings
Optics usable on other mounts
Adjustment and locking screws have different diameters
 
Scope of Delivery
Newtonian optical tube assembly
6x30-Finder
25mm SuperPlössl eyepiece (Ø 31,7 mm / 1,25")
1 Tube extender 37,5mm for 2.5" Hexafoc
1 Reducer 50,8 mm to Ø 31,7
2 Tube-rings
2 Altitude bearings
1 rockerbox with 2 ground boards and assembly material
 
Field of Application
Deep Sky Observation
Deep Sky Photography
Lunar observation
Lunar photography
Planetary observation
Planetary photography

TELESCOPE SPECIFICATION

FOCUS GROUP
Focus Group	Beginners Advanced Amateurs Visual enthusiasts
PRODUCT FAMILY
Product Family	Reflector telescope
OPTICAL SPECIFICATIONS
Optical design	Newtonian Reflector
Maximum recommended magnification	500
Material Primary mirror	Special low expansion H-PZ33
Primary mirror diam.	254 mm
Secondary mirror diameter	74 mm
Mirror/Lens diam.	254 mm
Focal length	1270 mm
Aperture ratio	5
Finderscope	6 x 30 mm
Mount Type	Dobson
GENERAL TECHNICAL DATA
Focusing system	2.5" Hexafoc
Colour	white
DIMENSIONS & WEIGHTS
Net weight OTA (incl. accessories)	13 kg
Total length	132 cm
Total width	51 cm
Total height	51 cm
Tube diameter	300 mm
Tube length	120 mm
Net Weight total (incl. accessories)	27.9 kg
Net weight mount (incl. accessories)	16.4 kg

WARNING

This device focuses a lot of light.
Looking directly at the SUN through this device can result in partial or complete loss of vision.
For observing the SUN, we recommend you buy a 'Solar Safety Film' for this Telescope.

Buy 1000 OAKS Solarite Safety Film

Instructions for use in ENGLISH

Download Instruction Manual for BRESSER MESSIER 10inch 'Space Bolt' in .PDF format

Download Instruction Manual for BRESSER MESSIER 10inch Dobsonian in .PDF format

Free Items [ Subject to Availability ]

• Collimination Tool (for Newtonian)
• 110 Messier Object Locator - A4 size front back colour print
• 109 Deep Sky CALDWELL Catalogue - A4 Size Front Back Colour Print
• Star Dial - Identifying Stars & Constellations
• Astronomical Telescope - User Guide
• The Moon Map Poster B/W chart unfold to 22"x26"
• Magnitude 5 Star Atlas Book