| 摘要 |
PROBLEM TO BE SOLVED: To provide a lens barrel whose thin thickness is achieved while assuring quality of an image to be picked up by an image pickup element.SOLUTION: A lens barrel comprises: an image pickup element 123 for converting incident light into an electric signal; and an optical filter 121 for transmitting visible light and shielding infrared rays. The optical filter 121 is arranged opposite to an incident surface of the image pickup element. Furthermore, at least a part of the optical filter 121 is made to adhere to the image pickup element 123 by an adhesive member 122, and a gap is formed. |
