| 摘要 |
PROBLEM TO BE SOLVED: To provide a lens fixing device capable of simplifying and assuring focus adjustment of an image pickup element and a lens unit and the fixing to a lens holder.SOLUTION: In a lens fixing device, after adjusting focus, mounting a lens barrel 24 with a lens 23 in a lens barrel fitting hole 32 of a lens holder 25 in an image pickup element side, three pairs of an arc sliding surface 26 and a locking projection 27 are provided at equal intervals on an inner wall of the lens barrel fitting hole 32 of the lens holder 25. Three pairs of a sliding guide part 28 and a locking tapered face 29 are provided at equal intervals on the external wall of the lens barrel 24. The sliding guide part slides with its coming into contact with the arc sliding surface, while the locking tapered face 29 causes the lens barrel 24 to fit in the lens barrel fitting hole 32 and adjust the position, then horizontally rotates and locks the locking protrusion 27 in press-contact therewith. |
