Size: 50mm -- JunoDesigned for young users who are beginning their explorations into observation, the juno 50mm telescope is a great starter instrument for both daytime nature watching and nighttime moon gazing. Easy to use, the refractor telescope has an aperture of just under 2 inches and comes with two interchangeable eyepieces that provide magnifications of 18x and 28.8 x. Its alt-azimuth mount allows for smooth positioning, and the included tripod provides reliable stability. A Star map is included to aid in object identification, and a hard case provides added security for the scope and its accessories When in transit or storage.