Explore a 55-minute lecture from Kyoto University's public course series "Physics and the Universe" where Associate Professor Mikio Kurita from the Department of Astronomy, Graduate School of Science, discusses Japan's first segmented telescope. Learn about stars and telescopes, discover the geographical location of the Seimei telescope, understand its intricate mechanisms, explore mirror manufacturing and surface processing, and delve into mirror surface measurements, precision, and extreme adaptive optics. Delivered at the Centennial Clock Tower Memorial Hall on October 21, 2018, this comprehensive presentation provides detailed insights into the groundbreaking 3.8-meter Seimei telescope project.