タイトルまたは説明

8x*2 waterproof outdoor binoculars Performance characteristic:

8x*2 waterproof outdoor binoculars is using new material, solid structure, small size, adopted PORRO optical system. The model of 8x*2 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 *8 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.

8x*2 waterproof outdoor binoculars Specifications:
Magnification    8x
Objective Diameter    *2
Exit Pupil Diameter    5.*5
Field of View - Angular    6°
Eye Relief    *9mm
Minimum Focus Distance    5m
Resolution (Center)    ≤5.3″
Image Tilt    ≤1°*0′
Image Parallelism    ≤*0′
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    *7.6
Twilight index    *0.5
    
MECHANICAL                                
Closed Interpupillary Distance     *2mm
Open Interpupillary Distance    *2mm
Positive Ocular Diopter Adjustment    8
Negative Ocular Diopter Adjustment    *4
Ocular Diopter Adjustment Location    0.5
Alignment    
            Convergence        ≤*0′
            Divergence           ≤**0′
            Dipvergence         ≤*0′
Drop Test Standard     
    
ENVIRONMENTAL    
Water Resistance / Proof      0.3m/*0min
      
DIMENSIONAL     
Weight (g)    **4
Size (mm)    **4X*9X**9
      
SPECIAL FEATURES    
Armor    yes
Tripod Mounting Screw    yes
Retractable Eye Cups    yes
Nitrogen Fill     yes