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Telescope BRESSER Messier NT-203s/800 EXOS-2/EQ5

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  • Zīmols: Bresser
  • Preces kods: 4703808
  • Pieejamība: 1
  • 839.95€
  • Jūsu ietaupījums: 839.95€
  • Redzēji lētāk?

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.

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.

Mount and Tripod. The BRESSER EXOS 2 is a rugged mount with high rigidity and precision tracking for visual observation and astrophotography. The tripod is extremely rigid to suppress vibrations really well. This model is very well machined and has an illuminated polar finder scope and precise graduated circles. A powered twoaxis control (BRESSER Exos Duo) or a GoTo-Kit is available as an optional extra. The BRESSER EXOS 2 can take the weight - depending on length and use of up to 13 kg. This allows you to use refractors of up to 152 mm aperture and mirror telescopes of up to 203 mm aperture.

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.


  • Optical design: reflector telescope
  • Mirror diameter: 203mm / focal length: 800mm / F/3.9
  • Maximum recommended magnification: 406x
  • Telescope for night and solar observing
  • Very high quality Hexafoc focuser with 2.5" free inner diameter
  • Diffraction limited optics with parabolic main mirror
  • 8x50 straight through viewfinder with reticle
  • Optimized finder socket for comfortable use
  • Cradle rings with handle and integrated piggyback camera holder (1/4 thread)
  • Smartphone adapter for celestial navigation included
  • Dovetail plate with stainless steel rail
  • Can be connected to SLR cameras (optional T2 ring required)
  • 50.8mm (2) to 31.7mm (1,25) adapter with integrated T2 thread (T2-adapter ring for your camera is needed)
  • Backfocus fully inward focused: 60mm
  • 85mm secondary mirror for optimal illumination
  • Large knobs for primary and secondary mirror adjustment
  • Tube without accessories: 8.7 kg - Tube with all accessories mounted: 11.5 kg


  • Stable parallactic mount with fine drive in both axes
  • Ball bearings in both axes for more precise movements
  • Stable height adjustable stainless steel tripod ( Min. 69cm / Max. 109.5cm )
  • Load capacity up to 13 kg payload
  • Retrofittable with the Bresser Star Tracker Goto Kit ( item no. 4951750 )
  • Circular bubble for easy horizontal alignment
  • Pole height scale for setting the latitude
  • Scaled graduated circular rings to facilitate finding objects using a star atlas or planetarium software
  • Pole finder scope with optional illumination ( item no. 4964212 )
  • Tripod weight: 4.6 kg
  • Mount weight: 5.3 kg (without counterweight)
  • Total weight incl. counterweight: 23.6 kg
  • Batteries: not included


  • Optical tube
  • 26mm Super Plössl eyepiece (31.7mm / 1.25")
  • Integrated 31.7 mm and T2 adapter
  • Prism rail with stainless steel clamping surface
  • Adapter for 50.8 mm (2") eyepieces
  • 8x50 optical viewfinder
  • Rotatable star map
  • Aperture solar filter
  • Tube clamp with handle and camera holder
  • Smartphone camera adapter
  • Adjustable polar finder scope with optional illumination
  • Astronomy PC software Stellarium (via download)
  • BRESSER EXOS-2 mount
  • Stainless steel tube field tripod with accessory tray
  • 2 x 4.5kg counterweight

Technical Data

Field of application
  • Deep Sky Observation
  • Deep Sky Photography
  • Lunar observation
  • Planetary observation
  • Planetary photography
  • Solar observation
Focus Group
  • Advanced Amateurs
  • Visual enthusiasts
  • Specialists and Research
Product FamilyReflector telescope
Optical designNewtonian Reflector
Magnification from20
Magnification up to400
Material Primary mirrorBK-7
Primary mirror diam.203 mm
Secondary mirror diameter85 mm
Mirror/Lens diam.203 mm
Focal length800 mm
Aperture ratio3.9
Angular resolution0.56 arc seconds
Finderscope8 x 50 mm
Material OTAAluminium
Polefinder scopeincluded, illumination optional
Bearing in alt-azimuth / RA2 ball bearings
Bearing in elevation / DEC2 ball bearings
Material tripodStainless Steel
Eyepiece Barrel Diameter50.8 mm
Mount TypeGerman/Equatorial Mount
Extended warranty10 years
Net weight OTA (incl. accessories)11.5 kg
Total length100 cm
Total width100 cm
Total height175 cm
Tube diameter235 mm
Tube length700 mm
Net Weight total (incl. accessories)30.5 kg
Net weight mount (incl. accessories)19 kg
Counterweight9 kg

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