| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an optical device capable of preventing the falling of a lens caused by fitting backlash with a simple structure and to provide a camera. <P>SOLUTION: An optical device 1 includes a lens holding frame 30 holding a lens 22, a guide bar 23 extended along an optical axis OA and movably guiding the lens holding frame 30 in the direction of the optical axis OA, a magnet 43 extended along the optical axis OA, and a coil 41 attached to the lens holding frame 30 and receiving a force F having a component Fz in the direction along the optical axis OA and a component Fx in the direction perpendicular to the optical axis OA by a mutual action with a magnetic field generated by the magnet 43, to move the lens 22 and the lens holding frame 30 along the optical axis OA by the guide of the guide bar 23. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
