The B/DF 10x50 rangefinding binoculars are designed for long range, detailed observation of targets in critical or low light conditions as well as for determing distances to objects of known size. They are suitable for use in all weather conditions and in temperatures ranging from -40° to +140° F.
Features include: T3 lens coating system, developed by Carl Zeiss, consisting of full multicoating and anti-reflection treatment eliminating glare and maximizing light transmission Mil Spec 6061-T6 alloy housing Military rangefinding reticle Water proof Fog proof Oversized BaK4 prisms High resolution optic system Wide angle cemented porro prism design Superior optical glass by Schott Glasswerk, Germany Full rubber armor and oversized rubber eyeshields Attached objective caps with low light filters enclosed
Rangefinding Reticle: Vertical bars are spaced 10 mils apart Center and outermost vertical bars are 5 mils high Medium sized vertical bars are 2.5 mils high Small vertical bars are 1.25 mils high Bottom scale represents 24 inches in height at 200, 400, 600, 800 and 1,000 m distances
Technical Data: Magnification -10x Objective diameter- 50mm Field of viewat 1,000 yards- 528 feet Exit pupil diameter- 5mm Eye relief- 18.5mm Diopter adjustment: -3 to 5 DPT Weight- 48 oz