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Bresser

BRESSER N 203/800 Messier NT 203S Hexafoc OTA Telescope

BRESSER N 203/800 Messier NT 203S Hexafoc OTA Telescope

Regular price €609,00
Regular price Sale price €609,00
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Messier NT203s/800

  • High quality Photo-Newton
  • 85mm secondary mirror for optimal field illumination
  • High light intensity with F3.9
  • 2.5'' Hexafoc focuser
  • 6 point mirror mount
  • Large knurled screws for calibrating the primary and secondary mirror
He BRESSER Messier Newton telescope has emerged in recent years as a reliable and effective work tool, also for astronomical photography. With the new Messier NT-203s/800 with Hexafoc We can introduce you to the new generation of these devices. The photonewtons with parabolic primary mirror allow you to take deeper snapshots with the same exposure time thanks to their fast 203mm aperture index (8") f/3.9. The great 85mm secondary mirror provides you with optimal field illumination. The high-quality Hexafoc 2.5" focuser gives you photography without vignetting and without problems, the pipe clamps with 44mm universal dovetail rail. and carrying handle with the option of mounting a photographic device for a camera round out this great package. The focuser can be easily expanded later with a 10:1 reduction ratio (Art. No.: 0625720). For fine reproduction of star images you can optionally use the HR-Coma corrector (Art. No.: 0510330). It is specially designed for use in the photographic and visual field, significantly optimizing the image, especially the contours of the field of view.

Please keep in mind that Newton-type reflecting telescopes are especially suitable for the night sky, but they do not give such good results for landscape and nature observations during the day. For landscape and nature observations we recommend a refracting telescope from BRESSER.

PROPERTIES
  • Aluminum tube without tube/finder/eyepiece clamps: 8.7 kg
  • Tube with complete accessories included: 11.50 kg
  • Opening 203mm
  • Focal length 800mm
  • 60 mm focus on the eyepiece focuser
  • Aperture ratio f/3.9
  • Large secondary mirror with a diameter of 85mm
  • Limited motion optics with parabolic primary mirror
  • Large knurled screws for calibrating the primary and secondary mirror
DELIVERY CONTENT
  • Aluminum tube with optics
  • Close tube clamps and option to hold camera
  • Prism rails with stainless steel fixing surface (44mm universal dovetail for GP/EQ5/LXD75)
  • Search engine 8x50
  • 26mm Super Plössl
  • 50.8mm (2'') eyepiece socket and 30.7mm (1.25'') adapter with T2 threaded connection

Technical specifications

SCOPE
Scope
  • Deep Sky Observation
  • Deep Sky Photography
  • Moon observation
  • lunar photography
  • planetary observation
  • planetary photography
  • solar observation
TARGET AUDIENCES
Target audiences
  • Advanced
  • Visual observers
  • Specialists and Research
PRODUCT FAMILY
Product family Reflecting telescope
OPTICAL SPECIFICATIONS
Optical design Newton reflecting telescope
Increase of twenty
Maximum useful magnification 400
Secondary mirror diameter 85mm
Mirror/lens diameter 203mm
Focal distance 800mm
Resolution 0.56 arc seconds
Seeker 8x50mm
Width of image field width 24x36 mm receiver 2.5 degrees
Height of image field width 24x36 mm receiver 1.7 degrees
GENERAL TECHNICAL DATA
Material Optical tube Aluminum
Color white
External diameter 50.8mm
Frame type Rimless optics
Extended warranty (years) 10
DIMENSIONS & WEIGHTS
Net weight Optical tube (accessories included) 8.7kg
tube diameter 235mm
tube length 700mm
Net weight Frame (accessories included) 11.5kg
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