User Manual

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Technical data BF 8x25 BR BF 10x25 BR
Magnification 8 x 10 x
Front lens diameter 0.98 inch / 25.0 mm 0.98 inch / 25.0 mm
Exit pupil 0.12 inch / 3.1 mm 0.098 inch / 2.5 mm
Field of view 358 ft at 1,000 yds 6.8° 290 ft at 1,000 yds 5.5°
119 m at 1,000 m 6.8° 96 m at 1,000 m 5.5°
Eye relief 0.61 inch / 15.5 mm 0.61 inch / 15.5 mm
Close distance 4.92 ft / 1.5 m 4.92 ft / 1.5 m
Over run (∞) 4 dpt 4 dpt
Diopter adjustment ± 4 dpt ± 4 dpt
Twilight factor 14.1 15.8
Geom. Twilight no. 9.8 6.3
Operating temperature 14° up to 122° F 14° up to 122° F
-10° up to +50° C -10° up to +50° C
Waterproof yes, down to 9.84 ft / 3.0 m yes, down to 9.84 ft / 3.0 m
Height x Width x Depth 4.29 x 3.85 x 1.53 inch 4.29 x 3.85 x 1.53 inch
109 x 98 x 39 mm 109 x 98 x 39 mm
Weight approx. 9.14 oz / 259 g 9.14 oz / 259 g