| 摘要 |
PROBLEM TO BE SOLVED: To provide a photographic lens having a compact and light-weight lens barrel by reducing the size of a built-in electric power source part.SOLUTION: The photographic lens 2 detachable from a camera 12 includes: drive control parts 32, 34 for drive-controlling at least either a plurality of lens members 16, 18, 22 constituting the photographic lens, or the lens barrel 8 storing the lens members, to be located in a shooting position when imaging, and a reset position when not imaging; and a power storing part 30 to be charged from a power source part 40 provided in the camera when the photographic lens is mounted on the camera, and supplying electric power to the drive control parts when the photographic lens is removed from the camera. The power storing part stores the amount of charge required for driving at least once the lens members or the lens barrel to the reset position. |
