The Sportsman 10 x 42 is a traditional style all purpose binocular with fully coated optics and roof prism configuration to deliver superior quality viewing. lt;p gt; lt;b gt;FEATURES: lt;/b gt; lt;ul gt; lt;li gt; Perfect Multi-Purpose Binoculars lt;li gt; Fully Coated Optics lt;li gt; Twist-Up Eyecups lt;li gt; Roof Prism Design lt;li gt; Nylon Shell Case lt;li gt; Neck Strap lt;li gt; Lens Cloth lt;/ul gt; lt;b gt;Fully Coated Optics lt;/b gt; lt;br gt; Lens surface coatings reduce light loss and glare due to reflection for a brighter, higher-contrast image with less eyestrain. Fully coated lenses feature a single layer coating on all air to glass surfaces. lt;p gt; lt;b gt;Roof Prism System lt;/b gt; lt;br gt; In roof prism binoculars, the prisms overlap closely, allowing the objective lenses to line up directly with the eyepiece. The result is a slim, streamlined shape in which the lenses and prisms are in a straight line. lt;p gt;