60mm monocular for birdwatching

{"cid":"91199509","title":"Birdwatching 10-30x50 Zoom Monocular Telescope Waterproof With BAK4 Prism","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/43\/37\/ac838e367a52e3edf2f243ba7592-200x200-1.jpg","attrs":{"Price":"Negociation","Brand Name":"YBoptics OEM\/ODM","Model Number":"YMt15","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":"10-30x50","Field of view":"293\/1000","Exit pupil (mm)":"10.26mm","Main Material":"optical glass, aluminum, iron, plastic","Type":"monocular telescope"}}

{"cid":"91141443","title":"Stay Connected and Record Your Adventures with This Thermal Imaging Monocular with Wi-Fi AP and 4000mAh Battery Capacity","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/b2\/5b\/c1c0d78d0d8ddf1a4f0927d3a5cc-200x200-1.jpg","attrs":{"Price":"USD299\/pc-USD265\/pc","Brand Name":"keepguard","Model Number":"KA15","Minimum Order Quantity":"20pcs","Payment Terms":"T\/T","Supply Ability":"1000 units per month","Certification":"CE FCC RoHS","Place of Origin":"Guangdong, China","Warranty":"2 years","Focal Distance":"19mm","Waterproof Rating":"IP67","Lcd Resolution":"1280x960","Viewfinder":"Monocular, diopter adjustable\u00b14","Shock Resistance":"1 M Drop","Minimum Focus Distance":"1.5m","Color Mode":"Hot-white\/Hot-black","Wavelength":"1535nm","Encapsulation":"IP66","Working Wavelength":"1064nm","Detection":"1500m","Display":"OLED","Storage Temperature":"-50\u00b0C to 70\u00b0C","Pixel Center Distance":"12 \u03bcm"}}

{"cid":"91212602","title":"Infrared Thermal Imaging Scope Monocular For Outdoor Exploration","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/25\/27\/88ada6eb05fecec424f4681ef876-200x200-1.jpg","attrs":{"Brand Name":"OEM, ODM All Available","Model Number":"NVS06T-50","Minimum Order Quantity":"","Delivery Time":"","Place of Origin":"China","Certification":"CE,FC,RoHS","Payment Terms":"","Supply Ability":"","Size":"205x75x65mm","Weight":"850g","Type":"Monocular","Magnification":"3.5x","Effective Visual Distance":"2m~1100m","Operating Voltage":"DC12V","Objective lens diameter":"50mm"}}