Product Name: Professional Telescope Binoculars with High Quality for Sports Watching Model NO.: 1919-8X42 Focusing Type: Center Focusing Objective Aperture: 30~50mm Usage: Gift, Bird Watching/Hunting, Travel Function: Waterproof Magnification: 8X Type: Binocular Trademark: OEM Transport Package: Carton Specification: 8x42 Origin: China HS Code: 9005100000 Product Description Model Number1919 8x42Object Diameter42mmAngular Field of View5.3°Magnification8Close Distance(M)5MField of View(m/1000 m)93m/1000mField of View(Ft /1000 Yds)279ft/1000ydsEye Relief(Mm)12.5mmPrismBAK4CoatingFCEyecup TypeTwist-upRelative Brightness18WaterproofType IPX6Net Weight520gGross Weight10pcs/ctn