If you have any questions or don't satisfied with our product please feel free to let us know. We'll reply you within 24s and provide a reasonable solution. Specification: Name:HD Astronomical Telescope Light diameter:70mm (2.7inch) Focal length:300 mm Coke rate:F = 4.28 Eyepiece multiple:20mm eyepiece is 15 times, 6mm eyepiece is 50 times Magnification factor:150X Ceiling mirror:45 degrees (exactly the same) Limiting magnitude:11.28 Main mirror color:orange Bracket:telescopic three-section aluminum tripod Height of tripod:contraction length 425mm, extension length 1410mm, telescope connection tripod: 1480mm Features: - Adopt all metal material, cooperate plasma environmental protection spray technology, the whole appears very simple sense, noble and elegant. The color is bright, more increased the child's interest to astronomy and telescope itself love. - Fully coated broad band anti-reflection blue film optical lens, transmittance up to 99.5%, low color difference, imaging clear and sharp, long time observation will not appear eye fatigue. - 45 degrees positive mirror, whether it is to see the or scenery, up, down, left and right are completely positive, moving the telescope is very in line with our usual habits. - Non-slip dual focus wheel, manual focus, focus more accurate, convenient and fast. - 3X magnification lens, increase viewing rate, to achieve better viewing effect. Package Included: 1 x HD Astronomical Telescope 3 x Eyepiece