Zoom lens

A zoom lens, comprising:

• a lens barrel extending in a front-to-rear direction;
• a lens group comprising at least one mobile group movably provided in the lens barrel along the front-to-rear direction;
• a linear magnetic driving mechanism provided in the lens barrel and drivenly connected to the mobile group;
• and
• a locking structure comprising a locking member provided on one of the lens barrel and the mobile group, and a locking mechanism provided on the other one of the lens barrel and the mobile group, wherein the locking member comprises a plurality of locking grooves provided at intervals in the front-to-rear direction, and the locking mechanism comprises:
• a latch movably provided in a direction approaching and away from each locking groove, wherein the latch has a locking position inserted into the locking groove and an unlocking position separated from the locking groove during a moving stroke;
• an electromagnetic driving mechanism configured to drive the latch to move and drive the latch to switch from the locking position to the unlocking position when powered;
• and
• a reset member configured to switch the latch from the unlocking position to the locking position.