CES1145 Features: * Spotting scope * Multi coated optics * Straight through viewing angle * 18-55x zoom eyepiece * Sight tube for quick targeting * Waterproof * Soft carrying case * Optical design: Refractor * Aperture (mm): 65 mm (2.56 in) * Focal length (mm): 386 mm (15 in) * Focal ratio: 5.94 * Eyepiece 1: 7-21 zoom * Magnification 1: 18-55x * Finderscope: Sighting tube * Carrying case: Soft case * Highest useful magnification: 154 x * Lowest useful magnification: 9.29 x * Limiting stellar magnitude: 11.6 * Resolution (rayleigh): 2.14 arc seconds * Resolution (dawes): 1.78 arc seconds * Light gathering power: 86 x * Angular field of view: 1.7 - .73 * Linear field of view (1000 yds): 89ft - 18x 38ft - 55x * Eye relief: 18 mm - 18x * Near focus: 20ft - 18x * Camera adaptable: 35mm camera t-adapter supplied Dimensions: * Dimensions: 3"" H x 3"" W x 16"" D Warranty: * Limited lifetime warranty