bak4 prism fmc lens monocular telescope

{"cid":"91199509","title":"12x50 HD Adults BAK-4 Prism FMC Lens Monocular Telescope For Bird Watching \/ Hunting","imgUrl":"https:\/\/img.chinax.com\/nimg\/f9\/22\/0596f59f1524da67b0d85d8804d3-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Hollyview","Model Number":"YMT40","Minimum Order Quantity":"1 piece","Certification":"CE ROHS","Place of Origin":"Sichaung,China","Payment Terms":"L\/C, D\/A, D\/P, D\/P, T\/T, Western Union, MoneyGram","Product number":"12x50","Magnification":"12X","Eyepiece diameter":"23mm","Objective lens diameter":"50mm","Field of view":"5.5","exit pupil diameter":"4.2mm","Exit pupil distance":"15.5mm","field of view":"96m\/1000m","Prism material":"K9\/BAK4","Optical coating":"FMC multi-layer antireflection green film","Eye Cup Type":"Rotary","waterproof level":"Life waterproof","close focus approximation":"2m","tripod":"tripod","product weight":"340g","Dimensions":"44x64x172mm","Mirror body material":"Environmentally friendly rubber skin + plastic steel"}}

{"cid":"91220963","title":"E 10x42 Waterproof Binoculars Lightweight Portable BAK4 Prism FMC Coated Lens","imgUrl":"https:\/\/img.chinax.com\/nimg\/a7\/42\/2404ad4b175ac0d00ca6f6bb4216-200x200-1.jpg","attrs":{"Price":"US$57.8","Minimum Order Quantity":"1","Delivery Time":"10days","Payment Terms":"T\/T,Western Union,MoneyGram,D\/P,D\/A","Supply Ability":"100pieces 10days","Packaging Details":"20x10x10cm"}}