Bresser Messier 8'' Dobsonian Telescope
Bresser Messier 8'' Dobsonian TelescopeBresser Messier 8'' Dobsonian TelescopeBresser Messier 8'' Dobsonian Telescope
Bresser Messier 8'' Dobsonian TelescopeBresser Messier 8'' Dobsonian TelescopeBresser Messier 8'' Dobsonian Telescope

Bresser Messier 8" Dobsonian Telescope

£389.00✓ 2 year warranty


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About this product

Model:  bresser_messier_dob8
Part Number:  4716420

The Bresser Messier 8" Dobsonian Telescope has an interesting design that includes tube-rings, large radius altitude bearings and a large 2.5” R&P Hex-Focuser. 

The tube-rings enable you to slide the telescope forwards/backwards to balance heavy eyepieces or a binoviewer. The altitude bearings are removable so you can fit a dovetail (available separately) and attach it to a different mount, i.e. a motorised German Equatorial Mount. 

The sturdy 2.5" R&P Hex-Focuser is noticeably better than the focusers fitted to most other Dobsoinans and can be used with large 2” eyepieces with confidence, it can also be upgraded to dual-speed with 10:1 gear reduction. 

The 8” (203mm) parabolic primary mirror is made from low expansion H-PZ33O glass and sits in a 6-point primary mirror-cell with convenient collimation knobs (not screws). 

Unlike competing products the telescope base employs standard metal furniture fasteners so can be assembled and disassembled quickly and easily. 

Other features include blackened edges for the secondary mirror, a red-dot finder and an accessory rack with room for both 1.25" and 2" eyepieces. 

Supplied with a 25mm Super Plossl eyepiece. 

















  • 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
  • Red dot finder and SPL 25mm eyepiece included
  • 6-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 of the rocker-box are connected with metal furniture fasteners for easy assembly and dissasembly
  • Diffraction limited optics: Strehl > 0,8

Telescope Field of View Simulator

What's in the box

  • 8" Messier Telescope OTA
  • OTA Tube Rings & Altitude Wheels
  • Rocker Box Mount
  • Red Dot LED Finder
  • 25mm SPL Eyepiece


Optical design Newtonian Reflector
Maximum recommended magnification 400
Material Primary mirror Special low expansion H-PZ33
Primary mirror diameter 203 mm
Material Secondary mirror Borosilicate-glass with low thermal expansion, individually matched to main mirror
Secondary mirror diameter 57 mm
Objective diameter 203 mm
Focal length 1218 mm
Aperture ratio 6
Angular resolution 0.6 arc seconds
Finderscope Red Dot Finder
Mount Type Dobsonian
Material OTA Steel
Mount type Dobsonian
Focusing system 2.5" R&P Hex-focuser
Colour white
Warranty 5 Years
Net weight OTA (incl. accessories) 11.5 kg
Total length 128 cm
Total width 48 cm
Total height 48 cm
Tube diameter 250 mm
Tube length 1150 mm
Net Weight total (incl. accessories) 21 kg
Net weight mount (incl. accessories) 9.5 kg
Eyepiece Barrel Diameter 50.8 mm

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