Bushnell Excursion Ex 10 X 42 weighing 700grms. Feature a class-leading wide field of view, plus magnum powered brightness and clarity.Fully multi-coated optics and high-performance BaK-4 prisms with PC-3 phase coating produce outstandingly bright, clear images from edge to edge. The rugged, lightweight housing is optimized for comfort and 100% waterproof/nitrogen purged. Side by side, nothing in its class offers a wider, more vivid view than Excursion EX