LARGE APERTURE MULTI-LAYER BROADBAND COATING400mm focal length, 40mm aperture Newtonian reflection telescope, using a parabolic primary mirror to enhance the edge of the spherical mirror, allowing you to see a quality of more delicate image, matching 12.5mm and 20mm eyepieces, magnification up to 20-32X, multi-layer broadband coating design, increased light transmission, sharper and clearer imaging. UPGRADED VIEWFINDER AND COMPASSThis children's telescope is equipped with a crosshair viewfinder for positioning, inserting the lower magnification eyepiece diagonally and observing an easily identifiable stationary object up to 300 meters. With the 5x18 magnification viewfinder and compass, you can adjust the focus by rotating the focus wheel repeatedly to view a clear image. EASY TO USE We provide a manual Complete installation and instructions, no additional tools are required for installation. Beginners don't need to worry about being unable to use and install this astronomical telescope. Equipped with a tabletop tripod, you can place the telescope on the table and sit back and watch the scenery. PERFECT EDUCATIONAL GIFTThis telescope is perfect for children aged 5 and up or adults new to astronomy. Explore the world with science and exploration toys designed especially for children to connect with nature, observe space and learn about science Authentic and powerful telescopes.