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Teleskops Bresser Reflektor 203/800 EXOS 2 GOTO

  • Zīmols: Bresser
  • Preces kods: 4703809
  • Pieejamība: Uz pasūtījuma
  • 1,148.95€
  • Jūsu ietaupījums: 1€
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BRESSER Reflektor 203/800 EXOS 2 GOTO

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.

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.


FEATURES

  • 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

SCOPE OF DELIVERY

  • Telescope tube
  • EXOS II GOTO EQ mount with more than 100.000 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
  • Manual

Technical Data

FIELD OF APPLICATION
Field of application
  • Deep Sky Observation
  • Deep Sky Photography
  • Lunar observation
  • Lunar photography
  • Planetary observation
  • Planetary photography
FOCUS GROUP
Focus Group
  • Advanced Amateurs
  • Specialists and Research
  • Visual enthusiasts
PRODUCT FAMILY
Product FamilyReflector telescope
OPTICAL SPECIFICATIONS
Optical designNewtonian Reflector
Magnification from20
Magnification up to400
Material Primary mirrorBK-7
Secondary mirror diameter85 mm
Mirror/Lens diam.203 mm
Focal length800 mm
Aperture ratio3.9
Angular resolution0.56 arc seconds
Finderscope8 x 50 mm
Mount TypeGerman/Equatorial Mount with GoTo
GENERAL TECHNICAL DATA
Material OTAAluminium
Polefinder scopeincluded, illumination optional
Drive system in RA / AZ12V DC servo motors with encoders
Fine movementsElectric (RA and DEC)
Bearing in alt-azimuth / RA2 ball bearings
Bearing in elevation / DEC2 ball bearings
Focusing system2.5" Hexafoc
Colourwhite
Ext. warranty after online registration*10 Years
DIMENSIONS & WEIGHTS
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)31 kg
Counterweight9 kg
Eyepiece Barrel Diameter50.8 mm

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