The Olympus 12x50 EXPS I Binocular has a host of highly advanced features such as BaK4 prisms and fully multi-coated lenses guarantee crisp, sharp images in even difficult light condition. The EXPS I Series is the right choice for viewing the dramatic play of the nature. Take advantage of a clear and bright view from edge to edge thanks to high quality BaK 4 prisms, sharp viewing at any magnification thanks to all-glass lens system and maximum image brightness and contrast thanks to multi-coated lenses. Aspherical optics guarantee a plasticity and distortion-free view. These professional Binoculars have 12x magnification and long eye-relief with twist-up/down eyepieces. The new ergonomic, contoured design includes a non-slip rubberized coating and grips for a sure hold. The binoculars also feature UV coating for care-free viewing and a large, centre-focus knob for fast and easy focusing. Size W x H x D (mm) : 192x 163x 62 Weight: 910 g