Technical Data
Magnification 8
Effective objective lens diameter (mm) 56
Exit pupil diameter (mm) 7
Exit pupil distance (eye relief) (mm) 23
Field of view (ft/1000 yds / m/1000 m) 400/133
Field of view (degrees) 7.6
Field of view for eyeglass wearers (degrees) 7.6
Field of view, apparent (degrees) 60
Shortest focusing distance (ft / m) 12.8/3.9
Dioptric compensation (dpt) ± 4
Diopter correction at ∞ (dpt) 5
Light transmission (%) 93
Pupil distance (in/mm) 2.2-3.0/56-76
Twilight factor acc. to DIN ISO 14490-1 21.2
Length approx. (in/mm)* 7.64/194
Width approx. (in/mm)** 5.5/141
Height approx. (in/mm)** 2.87/73
Weight approx. (oz/g) 43.2/1225
* Value with eyecups twisted in _
** Dimensions at a pupil distance of 2.5 in / 64 mm _
Technical Data
Functional temperature -13 °F to +131 °F (-25 °C / +55 °C)
Storage temperature -22 °F to +158 °F (-30 °C / +70 °C)
Submersion tightness 13 ft / 4 m water depth (inert gas filling)