The Kenko OP 10 x 42DH Mark II Roof Binocular offers 10 x Magnification and a 6.0 degree field of view. Its phase-coated roof prisms have super-high reflective silver coating for high contrast and bright images. The open hinge of the binocular gives an excellent feel and makes the eye-width adjustments quick and simple. Its lenses are fully multi-coated that allow maximum light transmission and brightness. An environmental friendly binocular, it is fitted with lead and arsenic free glass (eco-glass).