The lens is located in the eye. A lens produces its focusing effect because light travels more slowly in the lens than in the surrounding air, so that refraction . We provide the information and analysis necessary to advocate for more . Discover ideas inspired by anything you point your camera at. By changing its shape, the lens changes the focal distance of the eye. When Mother Nature and Photoshop Collide | Wildlife from www.slrlounge.com Shop lenscrafters®'s quality glasses, sunglasses and contact lenses online or schedule an eye exam at your nearest store. In other words, it focuses the light rays that pass . We provide the information and analysis necessary to advocate for more . All but the simplest cameras contain lenses which are actually comprised of several lens . Google lens lets you search what you see, get things done fast