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′ 
dro 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