Vortex Optics Viper HD Roof Prism Binoculars 10x42

10x magnification and 42mm objective lenses, the Viper HD binoculars have an advanced high density optical system with enhanced anti-reflective lens coating for stunning image quality and top tier light transmission. Dielectric, multi-layer prism coatings provide bright, clear, color-accurate images. Coating on roof prism models enhances resolution and contrast. A compact, rubber-armored chasis and armortek coating ensures the Viper HD is ready for any hunt. Adjust the multi-position eyecups to maximize custom fit for comfortable viewing with or without glasses. A locking right eye diopter adjusts for focal differences between your eyes. Argon purged and o-ring sealed, the Viper HD defies the elements ensuring waterproof and fogproof performance, no matter the conditions.