bak4 prism dual focus monocular telescopes

{"cid":"91199509","title":"12X56 High Power Monocular Telescope With Smartphone Holder Tripod BAK4 Prism Dual Focus","imgUrl":"https:\/\/img.ismap.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"}}

{"cid":"91193213","title":"Sanding 1000m Total Station Dual Axis Tilt Sensor Sanding Arc 5 Pro Total Station","imgUrl":"https:\/\/img.ismap.com\/nimg\/57\/5c\/dbf0a86e307a78c7444fe7c5b6d9-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Sanding","Model Number":"Arc 5 pro","Minimum Order Quantity":"1","Certification":"CE","Place of Origin":"China","Supply Ability":"1000 pieces per year","Packaging Details":"Within Standard Exported Packing Way","Tilt Sensor":"Dual Axis","Method":"Liquid Electric","Range":"\u00b13\u2032","Setting Unit":"1\u201d","No.of Display":"2 Color Screens","Keyboard":"Alphanumeric","Prism Constant":"Manual Input, Auto Correction","Atmospheric Correction":"T-P Sensor, Auto Detect and Correct","Measuring time":"fine: 0.3s; tracking: 0.1s *4"}}