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Bresser Messier MC-152 Mak-Cass Hex-Focus on EXOS-2 GOTO


Quick Overview

The Bresser Messier MC-152 Mak-Cass Hex-Focus on EXOS-2 GOTO system features the tack-sharp optics of Bresser's Messier MC-152 - a 6-inch (152mm) aperture Maksutov Cassegrain telescope, capable of delivering excellent high power, high contrast views of the night sky (with a particular forte for the major Solar System targets), thanks to its long f/12.5 focal length.
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The MESSIER MC-152 Hexafoc ESO-2 excells due to its high rigidity and compact optics. The long focal length of this telescope facilitates relaxed observations with high magnifications - the compact size makes it the perfect mobile telescope. 150mm aperture enable you to observe bright nebulas in the depth of space. Find the remnants of a gigantic stellar explosion in the year 1054 in the constallation Taurus or scan the glowing bands of the Great Orion Nebula. Detect the famous Whirlpool Galaxy in the Big Dipper or find the Dumpbell-Nebula in the constellation Vulpecula. The high rigidity of the EXOS-2 mount allows for relaxed observations and is helpful for those making their first attempts at astrophotography.


  • Optical system: Maksutov-Cassegrain 

  • Highest practical power: 300x

  • Objective lens diameter: 152 mm 

  • Focal length: 1900 mm 

  • Aperture ratio: f/12.5

  • Eyepiece diameter: 31.7 mm (1.25") and 50,8mm (2")


  • High end Hexafoc-focuser with 2,5" free inner diameter

  • Ball beared axes (RA / DEC) and worm gears for smooth and precise tracking 

  • Adjustable polar finder scope (optional illumination available separately)

  • Bubble level for easy tripod setup 

  • 6x30 straight through viewfinder with reticle

  • optimized finder socket for comfortable use 

  • Cradle rings with handle and integrated piggyback camera holder (1/4 thread)

  • Universal 44mm Dovetail plate with stainless steel rail (fits LXD75/Great Polaris/EQ5)

  • 50,8mm (2) to 31,7mm (1,25) adapter with integrated T2 thread (T2-adapter ring for your camera is needed)

What's in the box:

  • Optical Tube Assembly Maksutov-Cassegrain 152/1900

  • 26mm Super Plössl eyepiece (31.7mm / 1.25")

  • 90° star diagonal 31,7mm (1,25")

  • Integrated 31.7 mm and T2 adapter

  • Adapter for 50.8 mm (2")

  • Tube rings

  • Handle with camera holder

  • Universal 44mm Dovetail plate with stainless steel rail (fits LXD75/Great Polaris/EQ5)

  • Adjustable polar finder scope with optional illumination

  • 6x30 Viewfinder

  • Astronomy PC software Stellarium

  • Telescope book

  • Rotatable star map

  • EXOS 2 German equatorial mount

  • Stainless steel tube field tripod

In the past few years the BRESSER Newton telescopes have become the standard workhorse for Deep Sky astrophotography. We now proudly present the second generation of this telescope, the BRESSER NT-203s/800 with Hexafoc and fast parabolic main mirror. The Bresser NT-203s/800 f3.9 will deliver you deeper images due to its - compared to 8" f/5 systems - oversized primary mirror and therefore faster optical system with the same exposure time. The big 85 mm secondary prevents vignetting for optimal illumination The excellent 2,5" Hexafoc focuser also does not cause vignetting due to its large diameter and makes focussing a joy - the smoothness and shifting-free operation sets new standards in this price class. This groundbreaking focuser, tube rings with 44mm universal standard dovetail and camera mounting feature and a high-end finderscope with haircross and laser-engraved scale  leave nothing to desire even for demanding astrophotographers. The NT-203s/800 Hexafoc has a classical tube construction with an aluminium tube. The focuser can be upgraded with a 10:1 reduction (part No. 0625720) without problems. Also prepared for use with the HR Coma Corrector (part No. 0510330) which eliminates coma, field-curvature and astigmatism. 

BRESSER EXOS-2 GoTo Equatorial Mount. 

Mount, tripod and hand box with computer. This German mount has tracking motors in both axes that follow celestial objects very precisely. The handbox with GoTo works reliable and controls the mount in every situation. Precise ball bearings in both axes ensures minimal backlash at all nine possible tracking speeds. The battery pack (12 V) is conveniently fastened to the tripod shelf and takes eight size "D" batteries.
The mount rests on a very tough and rigid steel tripod and can take optical tubes of up to 13 kg. GOTO Stargazing at the push of a button !
The Startracker GoTo System enables beginners to start astronomical observations in just a few minutes, and guides you to objects that are hard to localize through a standard finder scope.Just push the button and the GoTo System will find planets, nebulae or galaxies for you and position your telescope automatically and precise. The GoTo System database includes thousands of astronomical objects. The Messier mount with GoTo System allows you to observe without tedious searching, or image faint objects that are hard to find in a standard finder scope. 


weight Tube without accessories: 8,7 kg - Tube with all accessories mounted: 11,5 kg
weight EXOS II Goto: 5.0kg (without counterweight shaft, which weighs 1.0kg)
weight Tripod: 4.9kg
Aperture 203 mm
Focal length 800 mm
Focal ratio f/3,9
Backfocus fully inward focused: 60mm
85mm secondary mirror for optimal illumination
Diffraction limited optics with parabolic main mirror
Cradle rings with handle and integrated piggyback camera holder (1/4 thread)
Large knobs for primary and secondary mirror adjustment
Dovetail plate with stainless steel rail
Adjustable polar finder scope with optional illumination
Bubble level for easy tripod setup
Ball beared axes (RA / DEC) and worm gears for smooth and precise tracking

What's in the box:

Telescope tube
EXOS II GOTO EQ mount with more than 272,944 sky-objects in data-base
height adjustable stainless steel field tripod
polar finder scope with optional illumination unit
2x counterweight 4.5kg
Startracker GOTO handbox
battery pack (batteries not included)
Tube rings with handle and camera mounting feature
8x50 Finderscope recticle and true oriented view
integrated 31.7 mm and T2 adapter
adapter for 50.8 mm (2")
mounting ring (for EXOS, LXD-75, EQ-5)
handle with camera holder
8x50 Viewfinder
26mmm Super Plössl
astronomy PC software Stellarium
rotatable star map

Handset Database contains 272,944 objects :

Category Quantity
Solar System Catalogue 10
Famous Star Catalogue 33
Constellation Catalogue 88
Messier Catalogue 110
Bright Star Catalogue 167
Sh2 Catalogue 313
IC Catalogue 5386
NGC Catalogue 7840
SAO Catalogue 258997
Catalogue Total: 272944

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