| 摘要 |
PROBLEM TO BE SOLVED: To provide a lens-barrel having the capability of moving a high- precision lens holding frame through the application of simple constitution by dexterously using a guide member (guide rod). SOLUTION: This lens-barrel has the first travel frame 7 with a guide member 7f laid along the optical axis of a photographing lens so as to be movable along the direction thereof, and the second travel frame 8 held on the guide member 7f movably along the direction of the optical axis of the photographing lens and having a guide member 8f different from the guide member 7f laid along the direction of the optical axis of the photographing lens. |
