Specifications:

Objective diameter:  44 mm
Magnification:  8 x
Exit pupil: 5.5 mm
IPD:  56 -74 mm
Eye relief (effective, measured from rim of folded down eyecup): 19mm
RFOV:  7.4  degrees = 130 m
AFOV (measured, rounded): 60 degrees
Minimum focus distance (measured): 2.05 m
Focus type: CF (direction of rotation from close to infinity: < anticlockwise)
Degrees of rotation of focus wheel from 3m to infinity (measured): 215 degrees
Range of diopter adjustment (acc. to spec.): +/- 8 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): 944 g
Made in: Germany
*taking into account the dpt adjustment knobs on both tubes

  

Remarks:

The Discovery was Steiner’s top binocular for nature observation until it was succeeded in 2014 by the same size “Wildlife XP” (see separate post, https://binocular.ch/steiner-wildlife-xp-8×44/). It would compete in the upper class with binoculars such as the Meopta Meostar 8×42, Minox APO HG 8×43, the Nikon HG-L 8×42 or the Leica Trinovid 8×42 (all of which are also in this collection under separate posts). The Discovery used to be one of the most expensive instruments in its class, it offered excellent mechanical and good optical performance. See more information (in German) in the link  mentioned under “Review” below.

Ratings:

Review:

A 2014 comparative review (in German) can be found here:
https://www.juelich-bonn.com/jForum/read.php?9,425470

 

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