10 30x42mm monocular for bird watching

{"cid":"91199509","title":"10-30X42 Super Telephoto Zoom Monocular For Bird Watching","imgUrl":"https:\/\/img.chinax.com\/nimg\/3d\/92\/5a1b871093fef1d88c359a7b8243-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"YBoptics","Model Number":"10-30x42mm telephoto zoom monocular","Minimum Order Quantity":"1 piece","Delivery Time":"3-30 days","Certification":"CE, FCC, ROHS","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, D\/P, T\/T, Western Union, ","Packaging Details":"Optional","Product name":"10-30X42 Super Telephoto Zoom Monocular Telescope For Bird Hunting Bird Watching","Keywords":"Telephoto Zoom Monocular Telescope","Material":"Optical glass","Coating":"FMC green film","PRISM COATING":"YES","OBJ. LENS DIA.":"42mm"}}

{"cid":"91222036","title":"KANDAR 10x50 Monocular with Side Hand Strap and 50mm Objective Dia","imgUrl":"https:\/\/img.chinax.com\/nimg\/0c\/04\/be07c8e7f12e0e5a4ed8116d2af0-200x200-1.jpg","attrs":{"Price":"$15.43\/pieces 25-249 pieces","Brand Name":"KANDAR","Model Number":"10X50","Minimum Order Quantity":"25 pieces","Place of Origin":"Beijing, China","Type":"Other","Maximum Output Power":"0","Magnification (X)":"10","Objective Dia (mm)":"50","Prism System & Glass":"Roof & Bak4","Lens Coating":"Fully multi coated","Focus System":"Wheel focusing","Field of View m@1000m":"123m","Exit Pupil (mm)":"5","Tripod mounting":"YES","Waterproof":"YES","Package":"20pcs\/ctn"}}