20x zoom cell phone monocular telescope

{"cid":"91199509","title":"10-30x42 Mobile Phone Monocular Telescope Compact For Birding","imgUrl":"https:\/\/img.chinax.com\/nimg\/88\/eb\/721b7bc77ec1037ed1ba77112e7f-200x200-1.jpg","attrs":{"Price":"Negociation","Brand Name":"Tontube","Model Number":"Rzmt19","Minimum Order Quantity":"1 PCS","Delivery Time":"3-30 days","Certification":"CE FCC ROHS","Place of Origin":"Sichuan, China (mainland)","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram, Paypal","Supply Ability":"30000 PCS per month","Packaging Details":"Custom","Model":"10-30X42","Field of view":"294\/1000","Exit pupil (mm)":"10.28mm","Main Material":"optical glass, aluminum, iron, plastic","Type":"monocular telescope"}}