From the ManufacturerLike the name says, these binoculars are made for water.Splash them, soak them, dunk them - and they'll emerge 100% fog free and dry inside.Perfect for skiers, snowmobilers, anglers and kayakers.
True waterproof construction and a rugged, non-slip rubber design makes the H2O series a simple choice for those whose lifestyle borders on the hyper side of active.O-ring sealed and nitrogen-purged for waterproof/fogproof protection in any season, both the fully and the multi-coated optics render bright, clear images.Take them with you - everywhere.Specifications for this Bushnell binocular include: Magnification: 10x Objective lens: 25mm Field of view at 1,000 yards: 305 feetTech TalkObjective Lens: The diameter of the objective or front lens.
The larger the objective lens, the more light that enters the binocular, and the brighter the image.Field of View (F.O.V.): The side-to-side measurement of the circular viewing field or subject area.It is defined by the width in feet or meters of the area visible at 1000 yards or meters.A wide angle binocular features a wide field of view and is better for following action.
Generally, the higher the magnification, the narrower the field of view.Roof Prism System: In roof prism binoculars the prisms overlap closely, allowing the objective lenses to line up directly with the eyepiece.The result is a slim, stream-lined shape in which the lenses and prisms are in a straight line.Product DescriptionBushnell H2O Binocular, 10X25mm, Roof Prism, Black Finish 130105.