Specifications:
Objective diameter: 50 mm
Magnification: 10x
Exit pupil: 5 mm
Usable eye relief (measured from rim of bakelit eyecup): 5 mm
IPD: 54 – 76 mm
RFOV: 7.4 degrees = 130 m
Minimum focus distance (measured): 7.3 m
Focus type: CF
Prism system: Porro I
Waterproof: splashproof
Weight (measured, with eyepiece cover and strap): 1‘038 g
Made in: Germany
Remarks:
First introduced in 1957, Zeiss (Oberkochen, West Germany) soon named this 10×50 classic porro binocular “Jahrhundertglas” because of its rare combination of compact size and very wide field of view, compared to other 10×50 instruments. The sample presented here was made around 1970 (serial number: 817169). Tele-objectives with a wide air space gave it the wide field of view, while “Astroplanar” five lens eyepieces allowed for an amazingly good edge sharpness.
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