22mm Large Eyepiece Binoculars, Larger Image, Clearer Details Large eyepiece binoculars make full use of 20x magnification, deliver larger image, ensure clearer details. The built-in nightfunction allows you to use it normally at night. Turn on the auto focus and blur the background function, brake you can focus on observing the person or object that needs to be observed. COMFORTABLE TOUCH-FEEL AND CONSTRUCTION: Made of ABS and metal, this binoculars has waterproof rubber armor, in firm and compact construction. The shock resi and nonslip rubber armor gives you firm grasp. Adopting Bak-4 roof prisms and fully multi-coated FMC coating with great light transmission, all design can can mostly reflect the light to keep a excellent visuals image and make you have a amazing experience. The folding Binoculars work well in low light such as a theater. This binocular also can be used for watching large stage play, vocal concert, a football game, etc.