The COLEMAN CZ103021 high power mini-zoom binocular offers versatility and convenience in an ergonomic, compact design. It allows the user to zoom from 10x to 30x magnifications, and anywhere in-between, with just the touch of a finger. Precise zooming controls with center and right-eye focusing, and the high resolution porro prism optical design ensures that images are crisp and clear throughout the zooming range. Ultra compact and lightweight, each binocular comes complete with carrying case, strap, rear lens caps and 25 year no-fault guaranty.