12x42 Professional Binoculars ED Lens BAK4 Prism Water Repellent Metal Telescope for Outdoor Activity Bird Watching Camping Traveling

Field of View : 123M/1000M Eyepiece diameter : 23mm Prism Description : BAK4 Water Resistance Level : IPX6.5 Objective Lens Diameter : 42mm Lens Coating Description : FMC Magnification : 12X Focus Type : CENTRAL Model Number : C8090 Type : Binoculars OERSTON Origin : Mainland China Eyepiece diameter: : 23mm Material: : Metal frame + outer rubber Magnification: : 12X Exit pupil distance: : 17mm Focusing system: : center axis focusing Objective diameter: : 42mm Prism diameter: : 16.5mm Exit pupil diameter: : 4.2mm Field of view: : 123M/1000M Product size: : 18*6*13cm Close focus distance: : 3m Color: : Dark green/black/blue Gross weight: : 700g Prism system: : BAK4 Lens type: : all-optical ED lens

12x42 Professional Binoculars ED Lens BAK4 Prism Waterproof Metal Telescope for Outdoor Bird watching Camping Traveling Specifications: Eyepiece diameter: 23mm Material: Metal frame + outer rubber Magnification: 12X Exit pupil distance: 17mm Focusing system: center axis focusing Objective diameter: 42mm Prism diameter: 16.5mm Waterproof system: IP67 waterproof and dustproof Exit pupil diameter: 4.2mm Field of view: 123M/1000M Product size: 18*6* 13cm Close focus distance: 3m Color: Dark green/black/blue Gross weight: 700g Prism system: BAK4 Lens type: all-optical ED lens Lens coating: A5 Zeiss Red +FMC full band green film