bak4 prism binoculars for adults

{"cid":"91199509","title":"Fogproof 8x42 10x42 Multi Coated Optics BaK4 Prism Binoculars For Adults","imgUrl":"https:\/\/img.ismap.com\/nimg\/97\/fb\/69f30e387b7603606f023098ba6f-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"Tontube","Model Number":"YBRED02","Minimum Order Quantity":"10 peice","Delivery Time":"10-15 days","Certification":"CE,FCC,ROHS","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram,Paypal","Supply Ability":"10000 per month","Product name":"8x42 10x42 Binoculars for Adults","POWER":"10 X \u00b1 5%","OBJECTIVE DIAMETER":"\u03a6 32mm \u00b1 1 mm","FEILD ANGLE":"6.0\u00b0 \u00b1 5%","FIELD OF VIEW":"105m \/ 315ft.","EXIT PUPIL DIA.":"\u03a63.20mm \u00b110%","NEAR FOCUS":"2.5m","EYE-RELIEF":"15.0mm","RELATIVE BRIGHTNESS":"10.24","PRISM MATERIAL":"Bak4"}}

{"cid":"91211941","title":"Light Portable Optical With Bag Binoculars Night Vision Hunting Telescope Binoculars For Hunting And Climbing","imgUrl":"https:\/\/img.ismap.com\/nimg\/23\/48\/b5da3e8bd33e8809bc015d23798c-200x200-1.jpg","attrs":{"Price":"USD 64.85 PC","Brand Name":"SZXX","Minimum Order Quantity":"100 pcs","Delivery Time":"25-35days","Place of Origin":"China","Payment Terms":"L\/C, T\/T","Supply Ability":"2000 pcs 1month","Packaging Details":"carton","Magnification":"7","Objective diameter(mm)":"50","Front lens diameter":"53","Prism (BAK4 \/ BK7)":"BAK4","Prism Type (Roof \/ Porro)":"Porro","Eyepiece diameter(mm)":"24mm","Field of view":"7.5\u00b0","Eye relief(mm)":"23","Close distance(M)":"3","Waterproof (Y\/N)":"YES","Fogproof(Y\/N)":"YES","Diopter adjustment":"-4D~4D","Feature":"portable,waterproof","Usage":"hunting and climbing"}}