CES1144 Features: * Spotting scope * Fully coated optics * Refractor optical design * Zooms up to 45x * Waterproof * Metal tabletop tripod * Aluminum carrying case * Soft carrying case * Optical design: Refractor * Aperture (mm): 60 mm (2.36 in) * Focal length (mm): 341 mm (13 in) * Focal ratio: 5.68 * Magnification: 1:20-60x * Highest useful magnification: 142 x * Lowest useful magnification: 8.57 x * Limiting stellar magnitude: 11.4 * Resolution (rayleigh): 2.32 arc seconds * Resolution (dawes): 1.93 arc seconds * Light gathering power: 73 x * Angular field of view: 2.5 - 20x, 1.3 - 60x * Linear field of view (1000 m): 43 - 20x, 22 - 60x m (141 ft) * Linear field of view (1000 yds): 130 - 20x, 65 - 60x * Eye relief (mm): 15 - 20x, 11 - 60x mm (0.59 in) * Near focus: 29 ft (8.84 m) Dimensions: * Dimensions: 12"" H x 8"" W x 13.6"" D