Monocular microscope coaxial lighting device

The utility model discloses a coaxial lighting device of a monocular microscope, which relates to the technical field of microscope lighting, and comprises a box body arranged below an objective lens,and a connecting seat connected with the objective lens is arranged at the upper end of the box body; the upper end and the lower end of the box body are provided with an upper unthreaded hole and alower unthreaded hole correspondingly, and the spectroscope is arranged between the upper unthreaded hole and the lower unthreaded hole. The light source is an LED lamp panel provided with a pluralityof rows of LEDs, a light diffusion plate is vertically installed between the LED lamp panel and the spectroscope, and the optical axes of the LEDs face the light diffusion plate. Cooling fins are arranged on the back face of the LED lamp panel, cooling fins of the cooling fins are exposed out of the box body, and a heat conduction insulation silica gel plate is installed between the cooling finsand the LED lamp panel. Acco