Bresser AC 102/1000 Messier Hexafoc EXOS-2

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BRESSER-MESSIERHEXAFOC1021000-2

Built around a heavier equatorial platform, the Bresser AC 102/1000 Messier Hexafoc EXOS-2 combines the same 102mm optical tube with integrated polar-scope alignment hardware.

  • Multi-coated 102mm achromatic refractor optics
  • 1000mm focal length delivers f/9.8 configuration
  • EXOS-2 mount supports high-load equatorial setup
  • Integrated polar scope assists mount alignment
  • Upgrade-ready for motorization or GoTo kits
  • 26mm eyepiece and 6×30 finder included
$421.00

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Description

Cutting alignment time with an integrated polar scope, the Bresser AC 102/1000 Messier Hexafoc EXOS-2 steps up from the EXOS-1 on this same 102mm tube with a high-load mount rated as upgrade-ready for a future motorized or GoTo kit. Buy the manual version now, add automation later without swapping the mount itself, a path worth considering before committing to either extreme.

An integrated polar scope in the mount head makes polar alignment faster than sighting by eye, and the high-load rating means less vibration settling between adjustments at this tube’s higher magnifications — both real advantages over the EXOS-1 for anyone doing extended planetary sessions. The heavy-duty stainless tripod that comes with this build also holds up noticeably better through repeated setup and teardown than a standard-duty alternative would over several observing seasons.

Key Features of Bresser AC 102/1000 Messier Hexafoc EXOS-2

An integrated polar scope and high-load German equatorial design distinguish this mount from the standard EXOS-1 build sharing this optical tube, adding genuine value for a frequent observer.

  • Integrated polar scope speeds up accurate alignment before a session
  • High-load equatorial design stays vibration-free at magnifications up to 200x
  • Upgrade-ready for a future dual-axis motorized or GoTo kit without replacing the mount
  • Heavy-duty stainless steel tripod adds rigidity beyond the EXOS-1’s standard build
  • Included counterweight balances the tube precisely once mounted
  • 2-inch zenith mirror accepts wider-field eyepieces for richer views
  • Faster alignment leaves more of a limited observing window for actual viewing

Why Choose the EXOS-2 Over the EXOS-1

Against the EXOS-1 sharing this same 102mm tube, the EXOS-2 adds faster polar alignment and a steadier high-load platform at this focal ratio’s higher magnifications. The upgrade path to motorized tracking later is the deciding factor for anyone unsure whether they’ll want GoTo down the road, without paying for automation they might not use.

Applications & Use Cases

Built for heavy-duty manual tracking, this telescope offers highly stable visual observation of planetary systems and brighter deep-sky objects, with a vibration-free platform suited to future astrophotography upgrades whenever that interest develops.

  • Observers who want a mount they can motorize later without replacing it
  • Anyone considering basic astrophotography down the road
  • Frequent observers who value faster setup on every session

Bresser Warranty & Support

The AC 102/1000 EXOS-2 carries a 2-Year Factory Warranty covering manufacturing defects, handled directly through Bresser’s support channel.

Bresser AC 102/1000 Messier Hexafoc EXOS-2 Specs

BrandBresser
Full Model CodeBresser Messier AC 102/1000 EXOS-2
Country of OriginGermany
Optical DesignAchromatic Refractor
Aperture102 mm (4.01 inches)
Focal Length1000 mm
Focal Ratiof/9.8
Optical CoatingsMulti-Coated Optics
Secondary Mirror Obstruction0 mm (0%)
Secondary Mirror Obstruction by Area0%
Backfocus Distance120 mm
Rear Cell Thread TypeM42x0.75 Male T-thread via integrated adapter
Image Circle Diameter30 mm
Resolving Power1.14 Arcseconds
Limiting Visual Magnitude11.8
Highest Useful Magnification200x
Lowest Useful Magnification15x
Optical Tube MaterialAluminum
Focuser Style & Mechanism2.5-inch Hexafoc Heavy-Duty Rack and Pinion Focuser
Mirror Lock MechanismNo (Refractor Tube Configuration)
Optical Tube Dimensions103 mm x 1000 mm
Optical Tube Weight5.2 kg (11.46 lbs) - Tube Only
Mount Attachment TypeEXOS-2 High-Load German Equatorial Mount with Integrated Polar Scope
Finder Scope Specification6x30 Optical Finder Scope
Included Accessories26mm Super Plossl Eyepiece (38x), 2-inch Zenith Mirror (90-degree), 1.25-inch Adapter, EXOS-2 Equatorial Mount, Heavy-Duty Stainless Steel Field Tripod, 1x 4.5kg Counterweight
Power RequirementsNone (Upgrade-ready for dual-axis motorization or GoTo kits)
Standard Warranty2-Year Factory Warranty
ApplicationHeavy-duty manual tracking and highly stable visual tracking of planetary systems and brighter deep-sky objects, offering a vibration-free platform suitable for future astrophotography upgrades.

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