The Bushnell 12x50 PermaFocus Binocular (Clamshell Packaging) is a wide-angle binocular with 12x magnification and 50mm objective lenses. It's focus-free design guarantees that you'll never miss the action while trying to adjust the focus. With its 12x50 objective lenses, these wide angle binoculars provide the large range of view that you need to enjoy sporting events, nature observation and/or wildlife activity. Its fixed-focus operation dials in focus at any distance automatically--an admirable factor for colder days so you won;t have to worry about taking your gloves off to adjust the focus. There's fully-coated optics for improved clarity and light transmission. With precision-crafted, BK-7 prisms and fully-coated optics, the binoculars offer bright, crisp images even at low light. Ergonomic rubber housing provide a secure grip and shock resistance even with gloves on.