LENS BARREL AND OPTICAL APPARATUS

摘要

A lens barrel having a reduced size and a related optical apparatus is disclosed. The lens barrel includes a cylindrical fixed frame and a cylindrical movable frame. The cylindrical first frame includes an outer wall extending around the optical axis and a cylindrical second frame is inserted thereto the first frame. The first frame includes a notch having first assembly portions at both side portions. The second frame includes second assembly portions that are assembled to be fixed to the first assembly portions.

主权项

1. A lens barrel comprising:
a cylindrical fixed frame extending along an optical axis; and a cylindrical movable frame configured to move along the optical axis with respect to the fixed frame, the cylindrical movable frame comprising:
a cylindrical first frame comprising an outer wall extending around the optical axis; anda cylindrical second frame configured to be inserted to the cylindrical first frame, wherein the cylindrical first frame comprises a notch that cuts the outer wall in the lengthwise direction thereof, the notch comprises first assembly portions at both side portions, and the cylindrical second frame comprises second assembly portions configured to be assembled to be fixed to the first assembly portions.