1. Objective lens diameter: 50mm 2. Eyepiece diameter: 22mm3. Magnification: 10-30x4. Prism type: BaK45. Focusing system: center6. Field of view: 2.4 degrees - 1.9 degrees7. Field of view: 129 - 99 feet/1000 yards8. Exit pupil: 5mm - 1.7mm9. Exit relief: 16mm - 16.5mm10. Lens coating: full multilayer coating11. Eyecup: top roll12. Nearest focusing distance: 3m / 9.8ft13. Net weight: about 468g14. Size: about 19 x 8 x 6cmFeatures:1. High magnification 10-30x50mm zoom monocular, capture the best view in outdoor adventure2. Fully multi-coated lenses provide increased light transmission to maximize light for the best viewing experience3. Eyepieces and objective lenses with dust caps, high fit, effectively prevent dust from entering the monocular body4. Adjustable eyecups that rotate up and down for comfortable viewing with or without glasses5. Compatible with tripod adapter, allowing the use on a tripod or window bracket6. Waterproof design, suitable for most outdoor environments7. Concave non-slip design, designed for one-handed operation8. Ideal for outdoor activities such as bird watching, camping, ball sports, wildlife watching, traveling, etc.Specification: Package Weight One Package Weight 0.69kgs / 1.51lb One Package Size 25cm * 16cm * 12cm / 9.84inch * 6.3inch * 4.72inch Qty per Carton 20 Carton Weight 15.00kgs / 33.07lb Carton Size 51cm * 47cm * 28cm / 20.08inch * 18.5inch * 11.02inch Loading Container 20GP: 397 cartons * 20 pcs = 7940 pcs40HQ: 922 cartons * 20 pcs = 18440 pcs