telephoto lens for smartphone 10 30x50

{"cid":"91199509","title":"10-30X50 Telephoto Zoom Monocular Telescope With Smartphone Adapter & Tripod For Bird Watching Travelling","imgUrl":"https:\/\/img.chinax.com\/nimg\/b7\/79\/4b19a2b804b289b9fddaaa1a5764-200x200-1.jpg","attrs":{"Price":"Negociation","Brand Name":"YBoptics OEM\/ODM","Model Number":"RZMT3 Zoom Monocular","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","Prism Material":"BAK4","Lens Type":"Spherical Lens","Lens Coating":"FMC","LENS COATING":"Fully Multi Coated","EXIT PUPIL DIST.":"14-12MM","MIN. FOCAL LENGTH":"1.6MM"}}