High-definition high-temperature camera

The invention provides a high-definition high-temperature camera. An upper cover is arranged at the upper end of a shell; the upper cover is provided with an installation rack and an air inlet pipe and an air outlet pipe that are communicated with the shell; the installation rack is provided with a camera; a high-temperature lens is arranged at the lower end of the camera; the high-temperature lens is provided with a connecting plate or a connecting rod with the end part connected with a permanent magnet; the external end surface of the internal permanent magnet and the internal wall of the shell keep a distance away from each other; an external permanent magnet which has opposite magnetism with the internal permanent magnet is arranged on the external wall at the lower part of the shell; high-temperature glass is arranged in the lower end of the shell; a filter fixing plate is arranged on the shell between the high-temperature glass and the high-temperature lens; an infrared cut-off filter and an ultraviolet