Vixen Atera H 12×30



Objective diameter:  30 mm
Magnification:  12x
Exit pupil: 2.5 mm
Eye relief (acc. to spec): 17.5 mm
Usable eye relief (measured from rim of eyecup): 15 mm
IPD:  55 – 75 mm
RFOV:  4.2  degrees = 73 m
AFOV (measured, rounded):   47.5 degrees
Minimum focus distance (measured): 2.4 m
Focus type:  CF (direction of rotation from close to infinity: < anticlockwise)
Degrees of rotation of focus wheel from 3m to infinity (measured): 280 degrees

Range of diopter adjustment (estimate): +/- 3.5 dpt*
Excess travel of focus wheel beyond infinity position (estimate): 7 dpt*

Prism system:  “roof plus subsidiary prism”
Waterproof: no
Weight (measured, with eyepiece cover and strap): 470 g
Made in: China
*range of diopter adjustment not affected by position of focus wheel


See remarks in separate posts on the “Fujinon Techno-Stabi 12×28” and the “Kenko 10×30 IS”, which largely apply here as well.



See remarks in separate post on the “Fujinon Techno-Stabi 12×28”, which largely apply here as well. In addition, some further observations here:

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