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Explore Scientific Tele-extender 3x barlow 50,8mm/2"
[EXS_0218790]

Prijs: 169,00 EUR

 
Product Details

Explore Scientific Tele-extender 3x barlow 50,8mm/2"

With tele-extenders it is possible to extend the effective focal length of a telescope system, resulting in higher magnification for the observation of the moon, the planets or small Deep-Sky objects with the same eyepieces. So you can use the advantages of eyepieces with longer focal length - such as the bigger eye distance and the more relaxed observing comfort - at high magnifications also.
These teleextenders incorporate a telecentric optical design that deliveres a excellent image sharpness over the whole field of view and are premium choices for visual observations and astrophotography. The combination of excellent fully multicoating with superior optical design makes the Focal Extenders superior to classic Barlow lenses.

FEATURES

  • Suitable for visual observations and astrophotography
  • Triples the effective total focal length of the telescope
  • Four lens telecentric design
  • Fully multicoated
  • Filter thread for color or nebula filters

SCOPE OF DELIVERY
  • Focal Extender 3 x
  • Adapter 2" (50,8mm) auf 1,25" (31,7mm)

Specification:

  • Four-lens telecentric teleextender 2x
  • Multiplying the effective focal length by: 2x
  • Fully multicoated design with four lenses
  • Telecentric optical design for excellent sharpness
  • All lens edges blackened for maximum contrast
  • Eyepiece and teleextender barrel size: 2"
  • adapter to 1,25 
  • Filter thread for color or nebula filters
  •  
    Total length 123 mm
    Total width 70 mm
    Net weight (without access.) 665 g
  • Product Specificaties

  • Four-lens telecentric teleextender 2x
  • Multiplying the effective focal length by: 2x
  • Fully multicoated design with four lenses
  • Telecentric optical design for excellent sharpness
  • All lens edges blackened for maximum contrast
  • Eyepiece and teleextender barrel size: 2"
  • adapter to 1,25 
  • Filter thread for color or nebula filters
  •  
    Total length 123 mm
    Total width 70 mm
    Net weight (without access.) 665 g
  • Extra afbeeldingen

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