Orion 51661 Otter 8x42 Waterproof Roof Prism Binoculars (Green) Extraordinary 8x42 waterproof binoculars perfect for birding and wildlife study in any weather Provides a wide 7.4 degree field-of-view with an 8-power magnification boost Fully multi-coated optics and BAK-4 roof prisms provide maximum light transmission for bright, sharp views Hardened prism mountings help maintain optical alignment Long 19mm eye relief for comfortable viewing with or without eyeglasses Extraordinary 8x42 waterproof binoculars perfect for birding and wildlife study in any weather^ Provides a wide 7.4 degree field-of-view with an 8-power magnification boost^ Fully multi-coated optics and BAK-4 roof prisms provide maximum light transmission for bright, sharp views^ Hardened prism mountings help maintain optical alignment^ Long 19mm eye relief for comfortable viewing with or without eyeglasses