HD Refractive astronomical telescope with 70mm aperture and 300mm focal length， 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. Great for students and kids or those who are interested in learning more about the space and night sky.1.5X erecting prism and 3X barlow lens for increased viewing capability， getting breathtaking views of space. Aluminum alloy construction， sturdy build quality， good choice for students or those who want to learn more about space and nature.Comes with 3 eyepieces - H20mm， F6mm， F12mm. The coated all-glass optics for enhanced image brightness and clarity. Comes with a moon filter， it will cut down glare and bring out much more surface detail and give you better contrast.