| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To maintain optical performance of a lens barrel. <P>SOLUTION: The lens barrel includes a pair of cylindrical parts which are provided to a reference member and extend in a predetermined axial direction; a pair of guide shafts which slide in the axial direction along inner peripheral surfaces of the pair of cylindrical parts; a first holding member which holds a first lens and is fixed to the pair of guide shafts; and a second holding member which holds a second lens different from the first lens, and slides in the axial direction along outer peripheral surfaces of the pair of cylindrical parts, the pair of cylindrical parts being set to different flexural strengths. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
