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
Prism system:  none (Galilean)
Waterproof: no
Weight (measured, with eyepiece cover and strap): 430 g
Made in: Japan



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”), it is also clearly more expensive than the latter.

see also separate posts about “Omegon 2.1×42”, “Astro Hutech Hinode 1.8×40”, and “Orion 2×54”



A brief comparison with the Kasai 2.3×40 can be found here:

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