Braun Binocular 8x42 WP. Be close to the horizon with BRAUN binoculars. The nitrogen filled and waterproof binoculars of the WATERPROOF edition were especially designed for use at sea. A reliable and long-lasting use is guaranteed. Features: Magnification: 8x. Lens system: ULTRALIT ®. Outer lens diameter: 42 mm. Prism type: Roof, BAK 4. Focus type: Central. Exit pupil: 5,2 mm. Eye relief: 17,8 mm. View angle: 6,8°, 119 m / 1000 m. Close focus: 4 m. Diopter adjustment: -4 /+4 Interpupillary: 56 -74 mm. Waterproof (max. depth/time): 1,5 m /3 min. Eye cup system: Rubber Twist-up 2.