Celestron Skymaster 20×80
Objective diameter: 80 mm
Magnification: 20 x
Exit pupil: 4 mm
Eye relief (acc. to spec): 18 mm
Usable eye relief (measured from rim of eyecup): 15 mm
IPD: 56 – 72 mm
RFOV: 3.7 degrees = 65 m
AFOV (measured, rounded): 62 degrees
Minimum focus distance (measured): 56 m
Focus type: CF (direction of rotation from close to infinity: < anticlockwise)
Range of diopter adjustment (estimate): +/- 3 dpt*
Excess travel of focus wheel beyond infinity position (estimate): 6 dpt
Prism system: Porro I
Waterproof: yes (?)
Weight (measured, with eyepiece cover and objective caps): 2‘030 g
Made in: China
Celestron’s “Skymaster” comes in various versions, both in terms of configuration (8×56, 15×70, 20×80, 25×70, 25×100) and performance (20×80, “Pro” 20×80). Pricewise, the version 20×80 is positioned in the lower part of the 20×80 market, and the performance reflects that, see the review mentioned below. The sweet spot is quite small, and CA correction is not fantastic. But you can still experience some very nice observations under the night sky.
see also separate posts:
Celestron Skymaster 20×80 Pro, https://binocular.ch/celestron-skymaster-pro-20×80/
Celestron Skymaster 25×100, https://binocular.ch/celestron-skymaster-25×100/
see review section of separate post „APM MS 20×80 ED“,
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