2,592 Brands 542 Categories All Departments is pleased to offer the newest Osprey Laser Range Finders with Speed System. The Comet EMC4 and EMC4 Camo offer instant measurements in distance and speed that are consistent and highly accurate. The exceptional optics allows sharp, clear images under all conditions. The Comet EMC4's utilize a technological breakthrough digital design, which takes top position over the competition in this price class and category.