Device for eliminating field rotation of main focus astronomical telescope

The utility model discloses a device for eliminating field rotation of a main focus astronomical telescope, and particularly relates to the field of astronomical telescopes, which comprises a shell, a plurality of through sliding grooves are arranged on the circumferential inner wall of the shell, one of the sliding grooves penetrates through the shell, the plurality of sliding grooves are internally provided with the same mounting component, and the mounting component is arranged on the outer wall of the shell. The mounting assembly comprises two mounting frames, a plurality of sliding blocks are fixedly connected to the circumferential outer walls of the two mounting frames, the positions of every two adjacent sliding blocks coincide, connecting units are arranged on one sides of the two mounting frames, and each connecting unit comprises a plurality of connecting threaded holes. According to the utility model, through the arrangement of the sliding assembly, when an astronomical telescope is subjected to f