Kern 8×30 Swiss Army CF (single hinge)

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Objective diameter:  30 mm
Magnification:  8 x
Exit pupil: 3.75 mm
Usable eye relief (measured from rim of eyecup): 12.5 mm
IPD: 51  – 74 mm
RFOV:  8.6  degrees = 150 m
AFOV (measured, rounded): 65 degrees
Minimum focus distance (measured): 4.2 m
Focus type: CF (direction of rotation from close to infinity: > clockwise)
Degrees of rotation of focus wheel from 4.2 m to infinity (measured): 240 degrees
Range of diopter adjustment (estimate): +/- 2.5 dpt*
Excess travel of focus wheel beyond infinity position (estimate): 5 dpt*
Prism system:  Porro I
Waterproof: yes
Weight (measured, with eyepiece cover and strap): 600 g
Made in: Switzerland
*range of diopter adjustment not affected by position of focus wheel



Only a small number of the central focusing version of the Kern Swiss Army single hinge binocular was produced, and as far as is known, not even a handful is today in the hands of collectors worldwide. This model was actually never introduced in the Swiss army, which only purchased the individual focusing version from Kern. Optically, the individual and central focusing versions are identical. It is believed that Kern had plans to introduce the central focusing version in the consumer markets, but such plans never materialized and were dropped when Kern was merged with Wild-Leitz.

see separate posts  about the individual focusing, single hinge „Kern 8×30“×30-army-single-hinge/and “Leica Swiss Army 8×30”×30-single-hinge/.


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