Lightweight and Compact Open-Bridge Binoculars | Magnification: 10x Power | Objective Lens Diameter: 34mm | Color: Green Nitrogen Filled and O-Ring Sealed Making Them Waterproof and Fogproof | Great Binoculars for Bird Watching, Hiking, Sight-Seeing, Travel, Sporting Events, Concerts and More BAK-4 Prisms and Multi-Coated Optics Ensure Bright, Sharp and Crystal Clear Images | Feature Extra Long Twist Down Eyecups | Tripod Mountable Field of View: 318 feet at 1,000 yards | Eye Relief: 16mm | Close Focus: 13.1 feet | Weight: 0.9 lbs. | Dimensions (LxWxH): 5.0 inch x 5.0 inch x 1.5 inch