Ranger 8 1,6-12,8×42

Magnification: 1.6x to 12.8x
Lens diameter: 42 mm
Field of view at 100 metres: 23.6 metres (at 1.6x) to 2.95 metres (at 12.8x)
Exit pupil: 8.5 mm (at 1.6x) to 3.0 mm (at 12.8x)
Eye relief: 95 mm
Length: 319 mm
Weight: 634 g
Torus diameter: 30 mm
Parallax adjustment: side focus from 20 meters to infinity
Reticle: illuminated 4A-I in the second focal plane
Illumination: automatic brightness adjustment with auto-off function
Waterproof and fogproof: designed for use in harsh weather conditions