Professional Powerful Compact 12x42 Binoculars for Adults With 12x high power magnification and wide-angle 42mm lens delivers best-in-class clarity and brightness; Provided with 21mm green film eyepiece and 330ft/1000yds large field of view, especially designed for outdoor activities such as climbing, hiking, driving, watching wildlife and scenery. This bird binoculars watching also can be used for watching large stage play, vocal concert, a football game, etc. Premium BAK4 Prism & Multilayer Coated Options for the binoculars are equipped with BAK-4 prism and 12X magnification, fully muti-coated lenses and the objective lenses which use optical FMC multilayer broadband green film guarantee the key elements of an HD vision, brighter view and crisp images. It can be used at night (but not in complete darkness) and provides you an amazing viewing experience.