Celestron PowerSeeker 70AZ Brand New Includes Two Year Warranty The Celestron 21036 is a PowerSeeker 70mm telescope with fully coated glass optical components and high transmission coatings for enhanced image brightness and clarity for viewing the moon, planets, meteor showers and brighter deep-sky objects. It features manual alt-azimuth mount that has an altitude lock and slow-motion controls for precise tracking of moving objects. This telescope have a 3x Barlow lens that triples the magnification of each eyepiece for a wider-range of observing possibilities. The Celestron 21036 features slow motion controls for smooth tracking and Erect image optics ideal for terrestrial and astronomical use. The sturdy tripod provide a stable viewing platform with smooth controls for excellent tracking. The inbuild SkyX software helps you locate and identify up to 10,000 data objects, printable sky maps and 75 enhanced images. PowerSeeker 70AZ Refractor 21036 Features Factory Information 2.76 Inch Aperture 70mm Fully-Coated Optical Coatings 165x Maximum Magnification Refractor Style Optical Design Focal Length 700mm, f/10.0 Focal Ratio 5x24 Finderscope Slow Motion Control For Precise Tracking Altazimuth Mount 3x Barlow Lens Erect Image Viewing Includes The Sky X Software 10,000 Object Database, Printable Sky Maps 75 Enhanced Images Aluminum Tripod Accessory tray Quick Easy No-tool Setup PowerSeeker 70AZ Refractor 21036 Specifications Optical Design Refractor Aperture 70 mm 2.76 in Focal Length 700 mm 28 in Focal Ratio 10 Focal Length of Eyepiece 1 mm 20 mm 0.79 in Magnification of Eyepiece 1 35 x Focal Length of Eyepiece 2 mm 4 mm 0.16 in Magnification of Eyepiece 2 175 x Barlow Lens 3 x Finderscope 5x24 Star Diagonal 1.25 Erect Image Diagonal Mount Type Single Fork Arm Altazimuth Accessory Tray No-Tool Tray with Eyepiece holder Tripod Aluminum Highest Useful Magnification 165x Lowest Useful Magnification 10x Limiting Stellar Magnitude 11.7 Resolution Rayleigh 1.99 arc seconds Resolution Dawes 1.66 arc seconds arc seconds