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6" f/5 Newton - 2" Crayford focuser

Item No.: Gsn1507ota
GSO (Guan Sheng Optical)
€ 239,00
Item No.: Gsn1507ota
Delivery Time 2-4 days (in stock)
PostNL EUR 1: € 0,00

Description

TS GSO 150mm F5 Newtonian Telescope - Optical Tube Assembly

This GSO Newtonian telescope, produced for Teleskop-Service, is a very good entry level option for anyone interested in visual observing and people who want to start with astrophotography. The telescope comes with a very good diffraction limited parabol optic, displaying high contrast images of the moon, planets and deep sky objects.

Advantages of the GSO Newtonian:

  • very good diffraction limited optic with 6" aperture (150mm) - focal ratio f5
  • 94% reflection on both mirrors for a brighter image
  • rigid 2" crayford focuser - ready for astrophotography
  • steel tube instead of wobbly aluminium tube - you can use heavy cameras witout loosing collimation
  • enough backfocus for astrophotography with DSLR Cameras and Coma Corrector
  • large fully illuminated field for rich field observing and astrophotography

The Newtonian Telescope is ready for astrophotography with many good features for beautiful astrophotos.

  • 2" Crayford focuser with precise movement also suitable for heavy cameras
  • enough back focus for standard coma correctors
  • big illuminated field - good for standard DSLR cameras
  • 94% encanced coating on main- and secondary mirror for a brighter image

Specifications:

  • Primary mirror ... parabolic diffraction limited main mirror with 150mm diameter and 750mm focal lengh
  • Focal ratio ... f5
  • Secondary Mirror ... 63mm diameter (short axis)
  • Focuser ... 2" Crayford focuser
  • Tube ... Steel Tube for a better stability - Diameter 178mm / Lengh 690mm
  • Weight ... 5,9kg

Scope of Delivery:

  • Newtonian telescope - optical tube
  • 6x30 achromatic finderscope
  • aluminium rings with M6 connection thread on both sites
  • 2" 30mm extension tube for visual observing
  • reduction from 2" to 1,25" for smaller eyepieces 

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