Flip-to-side mount and magnifier optic

A magnifier optic, comprising

• a flip-to-side mount, wherein the flip-to-side mount comprises a main shaft, arranged in a left-right direction;
• a first frame body, sleeved on the main shaft which is configured to move left and right relative to the first frame body and rotate synchronously with the first frame body;
• a second frame body, rotatably arranged on an end of the main shaft, an end of the second frame body being provided with a plurality of clamping grooves along a circumferential direction;
• a first pin, arranged on the main shaft and accommodated in corresponding ones of the clamping grooves, rotation of the second frame body driving the first pin to move towards a right and out of the corresponding clamping grooves;
• and an elastic member, configured to drive the main shaft to move towards the first frame body;
• a lens barrel, fixed on the second frame body;
• and
• a base, on which the first frame body is arranged.