The Vortex Solo 10x25 Monocular is ultra compact and lighweight, easy to carry and, most importantly, delivers bright, clear images. Ideal for keeping in your pocket at all times, your Vortex Solo monocular is waterpoof and fog proof making it ideal for outdoor observation of nature, views, landscapes and more. As with all Vortex optics, your Solo 25mm has fully multicoated optics. It has a roof prism design for greater durability, it’s shockproof and has a rubber armour to protect it from bumps and scrapes. Whether you’re a bow hunter, a backpacker, hiker or birder, get yourself a Solo so you’re never caught short when a fantastic viewing situation presents itself. Vortex Solo 10x25 Monocular Features: Fully multi-coated optics fro bright, clear images Roof prism O-ring sealed and nitrogen purged for waterproof and fogproof performance Rubber armour Twist up eyecup with intermediate settings for comfortable viewing with or without eyeglasses Specifications: Magnification - 10x Objective lens diameter - 25mm Eye relief - 14.5mm Exit pupil - 2.5mm Linear field of view - 315 feet/1000 yards Angular field of view - 6 degrees Close focus - 16.4 feet Length - 4.4 inches Width - 2.2 inches Hand grip width - 1.8 inches Weight - 158g / 5.6 ounces