7 17x30 dual focus monocular telescope

{"cid":"91199509","title":"12X56 High Power Monocular Telescope With Smartphone Holder Tripod BAK4 Prism Dual Focus","imgUrl":"https:\/\/img.chinax.com\/nimg\/ad\/35\/1dc09acd7d447dd163daf7751cd4-200x200-1.jpg","attrs":{"Price":"Negociation","Brand Name":"OEM\/ODM","Model Number":"YMT37 HD","Minimum Order Quantity":"1 PCS","Delivery Time":"3-30 days","Certification":"CE FCC ROHS","Place of Origin":"Sichuan, China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram, Paypal","Supply Ability":"30000 PCS per month","Packaging Details":"Custom","Product name":"12x56 monocular telescope","Power":"12x","Prism System":"BAK4","Objective diameter":"56mm","Exit pupil distance":"19.45mm","Exit pupil diameter":"5.3mm","Field of view":"133m\/1000m","Near focus":"6m","Field of Angle":"6.2\u00b0","Ocular lens":"24mm"}}