The 9-27x25 Gladiator Zoom Binocular from Barska has a compact and ergonomic, clam shell hinged form factor. At less than 13 ounces and under 6 inches square this is a very portable and accessible binocular to have along. Zoom power with a Porro design, the 9-27x25 Gladiator has multicoated, blue tinted objectives and BAK7 glass. It has a convenient, centered focusing knob. A side wheel allows smooth and continuous zoom magnification functionality. This binocular is a good choice for any outdoor activity or sporting events.