| 摘要 |
PURPOSE:To provide a focus limiter mechanism preventing a dead zone from being formed within the moving range of a focus lens. CONSTITUTION:An engagement pin 1311 which is engaged with a fixedside engagement pin 1303 fixed to a lens barrel 3 side when a distance scale ring 903 is rotated so that the focus lens 5 is moved toward the focusing position of 15m or the focusing position of 4m and which regulates the further movement of the lens 5 is provided at the recessed part 915 of the ring 903 through an arm 1309 so that it can be rocked. Then, the pin 1311 is displaced to the moving end side of an infinite side or the moving end side of a proximity side along the circumferential direction of the ring 903 when the pins 1303 and 1311 are engaged with each other. |
