PROBLEM TO BE SOLVED: To provide an imaging device that can be downsized, does not elevate temperature with heating suppressed, and prevents a position deviation with holding force of movement lens unit enhanced.SOLUTION: An imaging device 1 comprises: an image pick-up element 40 that converts an optical image into a picture signal a holding frame 12 that holds an optical system 11 a movement frame 21 that is included in the holding frame 12 in a fashion free to move forward or backward along an imaging optical axis O of the optical image, and formed of a magnetic substance holding at least one of an optical system 22 and a drive device 30 that includes a coil 35 provided in an outer periphery of the holding frame 12 in the fashion free to move forward or backward along the imaging optical axis O of the optical image, in which a yoke unit 36 having magnets 33 and 34 provided forward and backward is anchored in the outer periphery of the holding frame 12 so as to include at least a part, generating a magnetic field cancelling out magnetic force of one of the magnets 33 and 34, moving the yoke unit 36 within a prescribed slide range, and moving the movement frame 21 forward or backward.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2017,JPO&INPIT【課題】 小型化することができ、発熱を抑えて高温となることなく、移動レンズユニットの保持力を高めて位置ずれを防止した撮像装置の提供。【解決手段】 撮像装置1は、光学像を映像信号へ変換する撮像素子40と、光学系11を保持する保持枠12と、保持枠12に光学像の撮像光軸Oに沿って進退自在に内包され、光学系22の少なくとも1つを保持する磁性体から形成された移動枠21と、保持枠12の外周に光学像の撮像光軸Oに沿って進退自在に設けられ、前後に磁石33,34が設けられたヨークユニット36が少なくとも一部を内方するように保持枠12の外周に固定され、磁石33,34の一方の磁力を打ち消す磁界を発生させて、ヨークユニット36を所定の摺動範囲で移動させると共に、移動枠21を進退させるコイル35を備えた駆動装置30と、を具備する。【選択図】図2
