Reflector Main Mirror 114mm with Secondary 25mm, Newton Spherical for DIY Astronomical Telescope Kit

Contains a primary lens with an objective lens diameter of 114mm and a focal length of 900mm, and a secondary mirror with a short axis (short side diameter) of 25mm length. This is the core component of a set of mirrors. Uses: used in astronomical telescope accessories Features: The main mirror is a spherical mirror with aluminized surface and a protective film to prevent scratches on the main mirror under light touch. The workmanship is excellent. Realistic shooting effect: can shoot planets