Constructed from aluminium alloy chassis, the Celestron 10x25 UpClose G2 Roof Binocular (Clamshell) has a 10x magnification power to close-up the distant objects for detailed viewing. Compact BK-7 glass and multi-coated lenses enhance the light falling into the 25mm objective lens for vivid colour and bright viewing. Featuring closed-bridge configuration which make it enough compact to easily carry in purse or pocket. The rubber housing body plus ergonomic thumb indents and finger ridges provides a firm grip and secure handling.