Bushnell Spectator Sport 10x50mm Porro Prism Binoculars Black/Silver. Bushnell designed these Binoculars with PermaFocus technology that keeps distant objects permanently in focus so that you don't need to make constant adjustments while viewing. Each pair of Bushnell 10X50mm Spectator Sport Porro Prism Binoculars features fully multi-coated optics for increased light transmission and brighter images throughout. Whether you're targeting bucks in the distance or getting a closer look from the stands these Bushnell Spectator Sport 10x50mm Porro Prism Binoculars will help you see faraway objects in unbelievable clarity. Specifications for Bushnell Spectator Sport 10x50mm Porro Prism Binoculars: Manufacturer: Bushnell Color: Black/Silver Magnification: 10 x Objective Lens Diameter: 50 mm Prism System: Porro Prism Material: BAK4 Eye Relief: 15 mm Exit Pupil: 5 mm Field of View Linear: 298 ft at 1000 yds Optical Coating: Multi-Coated Binoculars Focus System: Fixed/No Focus Length: 6.5 in Weight: 31 oz Condition: New Magnification Type: Fixed Features of Bushnell 10X50 Spectator Sport Porro PermaFocus Binoculars: Non-slip rubber armor - Protects binoculars from impact and provides a sure grip in damp marine environments. PermaFocus Technology - Keeps distant objects permanently in focus eliminating the need for constant adjustment. Nitrogen Purged Fog-Proofing - Nitrogen inside the scope ensures interior optical surfaces won't fog due to humidity or rapid temperature change. Multi-Coated Optics - Multiple layers of coatings on all lens surfaces increase light transmission and image brightness. Package Contents: Bushnell 10X50 Spectator Sport Porro Permafocus Binoculars Bushnell BS11050: 10X50 Spectator Sport Porro Permafocus Binoculars Black/Silver