Celestron UpClose G2 10 X 25 Monocular High quality monocular at an affordable / economical price Multi-coated optics increase light transmission resulting in brighter and sharper images with high contrast levels Stylish rubber covered aluminum body protects from rough handling Ergonomic thumb indents and finger ridges for extra non-slip comfort and ease of use Water resistant Soft carrying case Binocular straps This Celestron UpClose G2 10 X 25 Monocular is perfect for many applications, including: Bird watching, sporting events, nature & wildlife, hunting, travel, concerts & live events, and boating. This monocular is easy to use, just like a hand-held telescope. The UpClose G2 10 X 25 Monocular from Celestron has a 25mm aperture and provides 10X views. Much lighter and easy to carry than a binocular of comparable power, this monocular is the choice for convenient on-the-go viewing of subjects you need to see in better detail (10X power), and with a nice bright image. Includes carrying straps and a soft carrying case. This monocular is also water resistant and includes a limited lifetime warranty from Celestron. Specifications: Aperture: 25mm Magnification: 10x Angular Field of View: 5.7° Linear Field of View (@1000 yd): 299 ft (100 m) Exit Pupil: 2.5mm Eye Relief: 11mm Close Focus: 26.2ft (8 m) Prism Glass: BK-7 Optical Coatings: Multi-Coated Included Accessories: Soft case Weight: 4 oz (113 g)