| 摘要 |
PURPOSE:To position a lens with high precision by supporting a guide member which guides the lens by a member united with a base plate. CONSTITUTION:The 1st lens moving frame 27 which moves in optical-axis directions, the 2nd lens moving frame 28 which moves in the optical-axis directions, guide poles 46 and 47 which guide those 1st and 2nd lens moving frames 27 and 28, and the base plate 22 having a united support base 44 which position and hold the guide poles 46 and 47 are provided. Further, the 1st cam groove 25 for moving the 1st lens moving frame 27 in the optical-axis directions, the 2nd cam groove 26 which moves the 2nd lens moving frame 28 in the optical-axis directions, and a driving gear 33 which rotates in a plane parallel to the optical axis are provided. |
