| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lens barrel able to cope with the widening of a field of view by a simple configuration without increasing an outside diameter. <P>SOLUTION: The lens barrel according to the present invention is able to switch between an extended state and a collapsed state and comprises: a first holding frame holding a first group lens; a barrier part movable forwards and backwards relative to the first holding frame; a biasing member biasing the barrier part backward relative to the first holding frame; and a pressing part pressing the barrier part forward by moving forward relative to the first holding frame when switching takes place from the extended state to the collapsed state. <P>COPYRIGHT: (C)2013,JPO&INPIT |
