CES1110 Features: * Telescope * Quick and easy no-tool setup * Slow motion controls for smooth tracking * Erect image optics - Ideal for terrestrial and astronomical use * Fully coated glass optical components with high transmission coatings for enhanced image brightness and clarity * 3x Barlow lens triples the magnifying power of each eyepiece * Accessory tray for convenient storage of accessories * "The SkyX First Light Edition" astronomy software with a 10,000 object database, printable sky maps and 75 enhanced images * Optical design: Refractor * Aperture (mm): 70 mm (2.76 in) * Focal length (mm): 700 mm (28 in) * Focal ratio: 10 * Eyepiece 1 (mm): 20 mm (0.79 in) * Magnification 1: 35 x * Eyepiece 2 (mm): 4 mm (0.16 in) * Magnification 2: 175 x * Barlow lens: 3 x * Finderscope: 5x24 * Star diagonal: 1.25" erect image diagonal * Mount: Altazimuth * Tripod: Aluminum * Highest useful magnification: 165 x * Lowest useful magnification: 10 x * Limiting stellar magnitude: 11.7 * Resolution (rayleigh): 1.99 arc seconds * Resolution (dawes): 1.66 arc seconds * Light gathering power: 100 x * Angular field of view (deg): 1.4 ° * Linear field of view (1000 yds): 74 ft (23 m) * Optical coatings: Fully coated Dimensions: * Dimensions: 49" H x 36" W x 30" D Warranty: * 2 Year warranty