These H20 8x42 waterproof binoculars from Bushnell are designed to last through the elements. They offer IPX7 waterproof construction up to 1 M for 30 minutes, fully multi-coated optics with BAK-4 Prisms to enhance contrast resolution and light transmission, plus nonslip aggressive texture for a confident grip and an aluminum chassis for durability. The binoculars have 8x magnification with a 42mm objective lens. Field of view @ 100 yards: 350ft.