Zeiss Terra ED 8×42

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Objective diameter:  42 mm
Magnification:  8 x
Exit pupil: 5.25 mm
Eye relief (acc. to spec): 18 mm
Usable eye relief (measured from rim of eyecup): 14.5 mm
IPD:  58 – 75 mm
RFOV:  7.1  degrees = 125 m
AFOV:  56  degrees
Minimum focus distance (measured): 1.55 m
Focus type: CF (direction of rotation from close to infinity: > clockwise)
Degrees of rotation of focus wheel from 3 m to infinity (measured): 125 degrees
Range of diopter adjustment (according to spec.): +/- 3 dpt*
Excess travel of focus wheel beyond infinity position (estimate): 8 dpt*
Prism system:  Schmidt-Pechan
Waterproof: yes
Weight (measured, with eyepiece cover and strap): 777 g
Made in: China
*range of diopter adjustment not affected by position of focus wheel



see remarks under the separate post “Zeiss Terra 8×32 ED”, https://binocular.ch/zeiss-terra-8×32-ed/
see also separate post “Zeiss Terra 8×25 ED”, https://binocular.ch/zeiss-terra-8×25-ed/



A brief 2014 review (in German) can be found here:


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