BUSHNELL Spectator Sport Roof Permafocus 10x40 Binoculars

Classic roof-prism design combines with 10x magnification for optimal viewing experience. Features: - 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. Specifications: - Configuration: 10x40mm - Field of View (ft@1000yds/m@1000m): 305/102 - Length: 5.75/146 - Weight: 19.8/563 - Eye Relief: 14mm / 0.551in - Exit Pupil: 4mm / 0.157in - Eye Cups: Twist-up - Prism System: Roof - Prism Glass: BaK-4 - Lens Coatings: Multi-coated - Waterproofing: IPX4 - ED Prime Glass: No - PC3 Phase Coating: No - Dielectric Prism Coating: No - Ultrawide Band Coating: No - Lead-free Glass: No - Locking Diopter: No - PermaFocus: Yes - Image Stabilization: No - Adapts to Tripod: No