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Astronomical Refracting Telescope Multi Layer Broadband Coating with Viewfinder Tripod Suitable for Children Adults and Beginners of Astronom

KWD 650.500
Brand
CGKs6anmU
Category
Telescopes
– 1 +

Special Features

  • 70/400 multi-layer broadband green film: reduce light loss and make details clear.
  • Ideal telescope for children and adults-this telescope provides erect optical elements， which is very suitable for terrestrial and astronomical use. The fully multi-layer coated optical glass lens with high transmittance coating can create aing images and protect your eyes.
  • Thick aluminum alloy triangle bracket: stable and durable， can be adjusted in multiple directions to adapt to different viewing angles.
  • Large diameter 70mm: using advanced optical lens group， high-quality optical glass， the light transmittance reaches 98.9%， and the image is clear and sharp.
  • Full front view: Convert the original upside down video to front view， you can use landscape/starry sky/bird watching.

Description

Optical system refraction
Linear field of view 61ft (19m)
Caliber 70mm
Optical coating Anti-reflection coating
Focal length 400mm
Barov teleconverter 3x
Focus ratio F5.7
Exit pupil diameter 2.2mm
Eyepiece 1 10mm
Resolution ≦4.0
Magnification 40x
Distortion 4.9%
Eyepiece 2 25mm
Gathering power 73.5X
Magnification 16X
Viewing angle 1.30 degrees
Finder 5x24
Tracking system platform equatorial mount
Zenith Mirror 48° Erect Image Zenith Mirror
Tripod Aluminum alloy tripod (45-122cm can be retracted freely)

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