Klevtsov–Cassegrain telescope: Cassegrain reflector, Primary mirror, Mangin mirror, Meniscus corrector, Aerial telescope, Argunov–Cassegrain telescope, Catadioptric system - Tapa blanda

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Klevtsov-Cassegrain telescope is a type of catadioptric Cassegrain telescope that uses a spherical primary mirror and a sub-aperture secondary corrector group composed of a small lens and a Mangin mirror.