The Coleman CZ104021 high power mini-zoom binocular offers versatility and convenience in an ergonomic, compact design. It allows the user to zoom from 10x to 40x 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 prism optical design ensures that images are crisp and clear throughout the zooming range. Ultra compact and lightweight, each binocular comes complete with a carrying case, strap, rear lens caps