Connecting device of sighting telescope

The utility model discloses a connecting device of a sighting telescope, which can be safely and stably connected with the sighting telescope, has no potential safety hazard and is high in shooting precision. Comprising a sighting telescope and further comprises a connecting base, a front locking cover and a rear locking cover are arranged at the upper end of the connecting base, the front locking cover and the rear locking cover are of hoop structures and are connected to the sighting telescope in a sleeving mode, a positioning annular structure is arranged at at least one axial end of the sighting telescope, and the positioning annular structure is matched with the front locking cover and/or the rear locking cover. The lower end of the connecting seat is fixed on a gun to form axial positioning of the sighting telescope, at least one of the front locking cover and the rear locking cover is provided with a pointed-end set screw in the radial direction, the pointed-end end of the pointed-end set screw abuts a