| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lens unit in which a plurality of lenses are combined. <P>SOLUTION: A lens unit 1 is a combination of lenses 10 having the same shape. The lens 10 includes an optical function unit 11, a flange unit 12 surrounding an outer periphery 11a of the optical function unit 11, and a gate unit 14 that is a part of an outer peripheral surface 13 of the flange unit 12 projecting in a direction of a first shaft 101. A first lens 10a and a second lens 10b have combinations of a first protrusion 31 of the first lens 10a and a first recess 41 of the second lens 10b, a first recess 41 of the first lens 10a and a first protrusion 31 of the second lens 10b, a second protrusion 32 of the first lens 10a and a second recess 42 of the second lens 10b, and a second recess 42 of the first lens 10a and a second protrusion 32 of the second lens 10b. <P>COPYRIGHT: (C)2012,JPO&INPIT |
