Specifications:

Objective diameter:  42 mm
Magnification:  2.1 x
Exit pupil: N.A.
Eye relief (acc. to spec):  “8.4 mm”
IPD: 55  – 74 mm
RFOV (acc. to spec):  “26 degrees”
Focus type:  IF (direction of rotation from close to infinity: > clockwise)
Range of diopter adjustment (estimate): +2.5 /- 4 dpt
Prism system:  none (Galilean)
Waterproof: no
Weight (measured, with eyepiece cover and strap): 430 g
Made in: Japan

  

Remarks:

This is Vixen’s take on the “Rusinov design”. Larger, heavier and overall designed to a higher standard than the Kasai (see separate post “Kasai 2.3×40”, https://binocular.ch/kasai-trading-rusinov-2-3×40/), it is also clearly more expensive than the latter.

see also separate posts about
“Omegon 2.1×42”, https://binocular.ch/omegon-2-1×42/
“Astro Hutech Hinode 1.8×40”, https://binocular.ch/astro-hutech-hinode-1-8×40/
“Orion 2×54”, https://binocular.ch/orion-2×54-ultra-wide-angle/

Ratings:

Review:

A brief comparison with the Kasai 2.3×40 can be found here:
https://www.juelich-bonn.com/jForum/read.php?9,428946,428946#msg-428946

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