| 摘要 |
An interchangeable lens mountable to a camera body, includes a focus lens operable to adjust a focus state of a subject, a driver operable to drive the focus lens by repeatedly performing slight advancing and retreating of the focus lens along an optical axis, a lens-side obtaining unit operable to obtain a control signal for driving the driver from the camera body, and a lens-side transmission unit operable to transmit, to the camera body, information about a direction of slight advancing and retreating operations of the focus lens. |
