Bushnell 12x50 Spectator Sport PermaFocus Binocular

Magnification: 12x. Objective Lens Diameter: 50 mm. Field at 1,000 yards: 265’. Exit Pupil: 4.2 mm. Eye Relief: 11 mm. Prism System: Porro. Weight: 30.9 oz. Equipped with PermaFocus technology, the Spectator Sport keeps distant objects continually in focus - no constant adjustment needed! Multi-coated lenses increase light transmission to ensure superior image brightness. Nitrogen-purged fog-proofing prevents optical surfaces from fogging due to humidity or rapid temperature changes. IPX4 waterproof.