Features Lightweight and compact 10x magnification 40mm lens diameter Description Lightweight and rubber-coated, 10×40 National Geographic binoculars are a perfect observation tool for adventurers. Specs Item Number 80–21040CP Magnification 10x Lens Diameter 40mm Optical Type Roof Coating Fully Coated Body Color Black FOV 315ft (at 1,000 yards) Dimensions 7.50×7.50x4in Weight 2.5 pounds Warranty Limited Warranty […]