Features: Refractive astronomical telescope with 70mm aperture and 400mm focal length, 133x maximum power. Coated all-glass optics for enhanced image brightness and clarity. Interchangeable low (K25mm) and high (K9mm) magnification eyepieces give you variety for any viewing situation. 3x barlow lens for increased viewing capability of each eyepiece. Adjustable tripod ensures a stable platform. Easy assembly with no tools required. Aluminum alloy construction, lightweight and portable, good choice for students or those who want to learn more about space and nature. All parts fit into the custom padded backpack for better protection and portability, convenient for traveling.