8x42 waterproof outdoor binoculars Performance characteristic:8x42 waterproof outdoor binoculars is using new material, solid structure, small size, adopted PORRO optical system. The model of 8x42 outdoor binoculars is easy to carry and good effect of observation, waterproof function, with reticle ranging, have a compass, color have black, blue and camouflage. Yunnan Yuanjin Optical co., Ltd specializes optical products for 78 years and has our own brand OUTLOOK.Our main products includes waterproof binoculars,military binoculars,night vision binoculars,thermal binoculars.We long-termly supply binoculars for various countries' army,police,government.8x42 waterproof outdoor binoculars Specifications: Magnification 8x Objective Diameter 42 Exit Pupil Diameter 5.25 Field of View - Angular 6° Eye Relief 19mm Minimum Focus Distance 5m Resolution (Center) ≤5.3″ Image Tilt ≤1°30′ Image Parallelism ≤40′ Objective Lens 3 groups 4 pieces Eyepiece Lens 3 groups 4 pieces Anti-Reflective Lens Coating Broadband membrane Anti-Reflective Prism Coating General membrane Prism System Central Made Focus System Central Made Relative brightness 17.6 Twilight index 20.5 MECHANICAL Closed Interpupillary Distance 52mm Open Interpupillary Distance 72mm Positive Ocular Diopter Adjustment 8 Negative Ocular Diopter Adjustment -4 Ocular Diopter Adjustment Location 0.5 Alignment Convergence ≤40′ Divergence ≤100′ Dipvergence ≤30′ Drop Test Standard ENVIRONMENTAL Water Resistance / Proof 0.3m/10min DIMENSIONAL Weight (g) 624 Size (mm) 174X59X139 SPECIAL FEATURES Armor yes Tripod Mounting Screw yes Retractable Eye Cups yes Nitrogen Fill yes
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