ExploreOne Aires 50mm AZ Mount Telescope. This ideal beginners scope is easy to use and includes a simple alt-azimuth mount and tripod that allow the user to smoothly move the scope up down and side to side. It offers a 50mm aperture a 600 mm focal length and three eyepieces that allow for varied levels of magnification. It also comes with a red dot finder for easy object location a moon filter for comfortable viewing when the moon is exceptionally bright Downloadable astronomy software and a star map. Specifications for ExploreOne Aires AZ Mount Telescope 50mm: Manufacturer: ExploreOne Magnification: 30 - 48 x Objective Lens Diameter: 50 mm Objective Aperture: 50 mm Focal Length: 600 mm Finderscope: Red-dot Included Accessories: red dot viewfinder star map diagonal two Eyepieces Magnification Type: Variable Package Contents: ExploreOne Aires AZ Mount Telescope 50mm ExploreOne 88-10050: Aires 50mm AZ Mount Telescope