| 摘要 |
PROBLEM TO BE SOLVED: To improve operability by adjusting the position of the AF operation switch of a lens barrel to a position in accordance with user's taste. SOLUTION: An operation button position changing ring 13 capable of rotating centering around an optical axis is provided on an outside fixed barrel 14 adjacent to the manual focusing ring 18 of the lens barrel 10 capable of automatic focusing and manual focusing, and an AF start operation button 11 is provided on a guide member 12 provided in the ring 13. After the position of the button 11 is changed by turning the ring 13 to a position desired by a user, the button 11 is fixed at a fixed part inside the lens barrel 10 by a locking member 17. |
