HD Refractive astronomical telescope with 70mm aperture and 300mm focal length, great for students and kids or those who are interested in learning more about the space and night sky. With 1.5X erecting lens and 3X barlow lens, the maximum magnification of this telescope can reach 150 times, which can increase the viewing capability. Lightweight and portable, this telescope is a wonderful gift for those who love observing animals, enjoying scenery, traveling, etc. Specifications: Material: Aluminum Alloy Color: Orange / White (optional) Aperture: 70mm Focal Length: 300mm Max Magnification: 150X Erecting Prism: 48 degree Focal Ratio: F5.7 Eyepiece: H20mm, F6mm, F12mm Tripod Height: Min. 38cm / 15in; Max. 130cm / 51in Package Size: 46*22*11cm / 18.11*8.66*4.33in Package Weight: 2800g / 6.17lb Operation & Focus: 1. Finderscope mounted on the telescope; install the telescope to the tripod; the erecting prism to the telescope. 2. Place the 20mm eyepiece to the erecting prism; choose distant objects on the ground as the target; adjust the 3 screws of the finderscope so that the finderscope and telescope eyepiece observed the same goal. 3. Remove the eyepiece from the diagonal mirror; attach the phone mount through the eyepiece interface. [Don't look directly into the sun otherwise it will burn the eyes] Packing List: 1 * Telescope Main Tube 3 * Eyepiece(H20mm'F6mm'F12mm) 1 * Finderscope 1 * 3X Barlow Lens 1 * 1.5X Erecting Prism 1 * Moon Filter 1 * Tripod 1 * Finderscope Mount