ASkyl 90X Zoom Land and Sky View Telescope for Seeing Planets and Stars Moon Telescope is not only for sky use, but also for terrestrial use, weather you travel or stay at home.   Specification:   Model: AF36050 upgrade edition Optical system: Refractor Magnification: 18X, 27X, 60X, 90X (6mm Eyepiece + Magnification = 60X, 6mm Eyepiece + Magnification with 1.5X Erecting Eyepiece = 90X; 20mm Eyepiece + Magnification = 18X, 20mm Eyepiece + Magnification with 1.5X Erecting Eyepiece = 27X) Aperture: 50mm/2.0 inch Focal length: 360mm Diagonal prisms: 90°angle prism Eyepiece: 2 pieces   Clear Views   Fully multi-coated optics glass lens reaches 99.5% transmittance. It has clear imaging effect and stirring visual effect. H20mm, H6mm, 1.5x erecting eyepiece help you could see things from different distances and sizes objects. This astronomical telescope is a specially designed for students, beginners, kids, teens, entry- level amateur astronomers.   H20mm, Terrestrial Use   Main Tube + Angle Prism+ H20mm   H6mm, Astronomical Use   1. Insert the moon lens into the eyepiece H6mm and then screw it  2. Main Tube + Angle Prism+ H20mm   Increase the Magnification of Image   1. Main Tube + 1.5x Erecting Eyepiece+ H20mm/ H6mm   Package include:  Telescope x 1 H20mm eyepiece x 1 H6mm eyepiece x 1 Moon lens x 1 1.5X erecting eyepiece x 1 13.5 inch height aluminum tripod x 1 Cary Case Instruction manual x 1   Warm Tips:  Do not observe the sun directly through the telescope. The telescope could be enhanced by changing the magnification. It is not able to seize the vision if the star in a far distance. The view of scenery is normal applicable.