Bresser Messier AR-102/1000 Hex-Focus Optical Tube Assembly

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The Bresser Messier AR-102/1000 Hex-Focus Optical Tube Assembly is an excellent f/10 achromatic refractor, featuring 102mm doulet objective lens, Bresser's new Hex-Focus 2-inch high precision focuser, 6x30mm finderscope, diagonal and 1.25" 26mm Plossl eyepiece.

NEW - now including a high-quality aperture Solar-filter for safe observation of sunspots, eclipses and planet transits. Great telescope for night and solar observation. 

Bresser Messier AR-102/1000 Hex-Focus Optical Tube Assembly - high quality achromatic lens telescope ( OTA only ) with objective solar filter

  • High quality achromatic 102mm refractor
  • D= 102 mm; F=1000 mm; F/D= F/9.8
  • Handle with integrated camera holder
  • 50.8 mm to 31.7 mm adapter with integrated T2-thread
  • Content: optical tube AR-102/1000 Hexafoc + Acc.
  • Aperture Solar Filter and Smartphone camera adapter included
  • 6x30 optical finder with crosshair and optimized finder bracket for comfortable usage
  • Universal 44 mm Dovetail plate with stainless steel rail (fits LXD75/GP/EQ5)
  • Telescope for Night- and Solar Observation
  • Excellent HEXAFOC focuser with 65 mm diameter

Ambitious beginners and advanced observers alike will see the brightest objects outside our solar system with the BRESSER Messier AR-102 telescope. Watch details in the Great Orion Nebula from the astonishing distance of 1500 lightyears ( km)! Scanning the lunar terminator is simply a pleasure. You will never give the BRESSER Messier AR-102 Telescope away voluntarily. 

This telescope is only an optical tube without mount and tripod.


  • Optical design: refractor telescope
  • Lens diameter: 102 mm / focal length: 1000 mm / F/9.8
  • Maximum recommended magnification: 204x
  • Very high quality Hexafoc focuser with 2.5" free inner diameter
  • 6x30 straight through viewfinder;optimized finder bracket for comfortable use
  • 31.7 mm (1.25'') diagonal mirror
  • Cradle rings with handle and integrated piggyback camera holder (1/4'' thread)
  • Universal 44 mm Dovetail plate with stainless steel rail (fits LXD75/Great Polaris/EQ5)
  • 50.8 mm (2'') to 31.7 mm (1.25'') adapter with integrated T2 thread (optional T2-adapter ring for your camera is needed)
  • Smartphone adapter for sky navigation included
  • telescope for night and solar observation


  • optical tube
  • Eyepiece: 26 mm Super Ploessl 31.7 mm (1.25")
  • 31.7 mm (1.25") diagonal mirror
  • integrated 31.7 mm and T2 adapter
  • Prism rail with stainless steel clamping surface (44 mm universal dovetrail for GP/EQ5/LXD75)
  • 6x30 viewfinder
  • rotable star chart
  • Objective Solar- filter
  • Tube clamp with handle and camera holder
  • Smartphone camera adapter
  • Software Stellarium ( via Download)

Technical Data

Field of application
  • Deep Sky Observation
  • Deep Sky Photography
  • Lunar observation
  • Lunar photography
  • Planetary observation
  • Planetary photography
  • Land observation
  • Land object photography
  • Solar observation
Focus Group
  • Beginners
  • Advanced Amateurs
Product Family Refractor telescope
Optical design Achromatic Refractor
Magnification from 38
Maximum recommended magnification 204
Mirror/Lens diam. 102 mm
Focal length 1000 mm
Aperture ratio 9.8
Angular resolution 1.3 arc seconds
Type of coating Multi coated
Finderscope 6 x 30 mm
Material OTA Aluminium
Eyepiece Barrel Diameter 50.8 mm
Colour white
Dust protection caps Dust protection caps for front lens and eyepiece holder
Mount Type Optics without Mount
Product series Messier
Extended warranty 10 years
Net weight OTA (incl. accessories) 5 kg
Tube diameter 104 mm
Tube length 1000 mm
What's in the Box
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