The Weaver Classic Series 10x42 binocular is the perfect lightweight binocular with an all glass, fully multi-coated optical system combined with BAK-4 Prisms enhances contrast, resolution, and light transmission. IPX7 waterproof rating and Elements Coating keeps these binoculars protected.Features:Waterproof and fogproof IPX7 construction is tested by submerging at 1 meter for 30 minutes without any penetration. The incorporation of IPX7 rating means these binoculars are ready to take on the nastiest conditions and the roughest elementsAn all glass, fully multi-coated optical system combined with BAK-4 Prisms enhances contrast, resolution, and light transmission.New Elements lens coating bonds to the glass, repelling water, oil, dust, debris and prevents scratchesErgonomically designed center focus wheel and diopter ring with aggressively styled knurlings to allow for manipulation in all weather with or without gloves.