Vixen SG 2.1×42

, ,


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



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”,×40/), it is also clearly more expensive than the latter.

see also separate posts about
“Omegon 2.1×42”,×42/
“Astro Hutech Hinode 1.8×40”,×40/
“Orion 2×54”,×54-ultra-wide-angle/
“Kasai Trading 3×50”,×50/



A brief comparison with the Kasai 2.3×40 can be found here:,428946,428946#msg-428946

0 replies

Leave a Reply

Want to join the discussion?
Feel free to contribute!

Leave a Reply

Your email address will not be published. Required fields are marked *