Siddhi Collection  Land & Sky Telescope - Optical Glass & Metal Tube Refractor Telescope (90X Power) with Free Tripod & 2 EYEPIECES- telescopes for Astronomy- Catadioptric Telescopes Telescope is not only for sky use, but also for terrestrial use, weather you travel or stay at home. Specification: Model: AF36050 upgrade editionOptical 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°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 aluminum 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.