ASkyl 90X Zoom Land and Sky View Telescope (Silver) Telescope is not only for sky use, but also for terrestrial use, weather you travel or stay at home. Specification: Model: af36050 upgrade Optical system: refractorMagnification: 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 inchFocal length: 360mmDiagonal prisms: 90 degree angle prismEyepiece: 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 1H20mm eyepiece x 1H6mm eyepiece x 1Moon lens x 11.5x erecting eyepiece x 113.5 inch height aluminium tripod x 1 cary caseInstruction 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.