Celestron Skymaster 20×80 PRO
Specifications:
Objective diameter: 80 mm
Magnification: 20 x
Exit pupil: 4 mm
Eye relief (acc. to spec): 15.5 mm
Usable eye relief (measured from rim of eyecup): 12 mm
IPD: 56 – 72 mm
RFOV: 3.2 degrees = 56 m
AFOV (measured, rounded): 56 degrees
Minimum focus distance (estimate): 16 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): 5 dpt*
Prism system: Porro I
Waterproof: yes
Weight (measured, with eyepiece cover and objective caps): 2‘506 g
Made in: China
Remarks:
The “Pro” edition of the Skymaster 20×80 provides a slightly brighter image and slightly better central sharpness than the regular version. Both exhibit quite a bit of chromatic aberration, and they feature a relatively small sweet spot and a slightly yellowish image. See the review mentioned below.
see also separate posts:
Celestron Skymaster 20×80, https://binocular.ch/celestron-skymaster-20×80/
Celestron Skymaster 25×100, https://binocular.ch/celestron-skymaster-25×100/
Ratings:
Review:
see review section of separate post „APM MS 20×80 ED“,
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