Telescope construction is the process of designing, building, and assembling telescopes for use in astronomical observations. This research area involves a multidisciplinary approach, including aspects of optical engineering, mechanical engineering, materials science, and computer science. Telescope construction typically involves designing and fabricating the various components of a telescope, such as the lenses or mirrors, the mounting systems, and the control systems for pointing and tracking celestial objects. The design and construction process must take into account factors such as the desired field of view, resolution, and sensitivity of the telescope, as well as environmental factors such as temperature and vibration. Advances in telescope construction have led to the development of larger and more powerful telescopes, such as the Hubble Space Telescope and the James Webb Space Telescope, which have greatly expanded our understanding of the universe. Telescope construction research continues to push the boundaries of what is possible in observational astronomy, leading to new discoveries and insights into the cosmos.