| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce a ghost phenomenon, in which unwanted light is imaged on an imaging area, by reflecting unwanted light imaged on the imaging area toward an object at an inclined plane. <P>SOLUTION: An annular inclined plane 8 is formed in an edge part 5 of a first plastic lens 2 so as to surround a concave surface 2B formed on a second surface of the first plastic lens 2. The inclined plane 8 reflects unwanted light H so that the unwanted light H reflected at the concave surface 2B does not pass through an unshielded part of effective regions of lens parts 4 and 10 not to be imaged on an imaging area. Thus, generation of a ghost and a flare by the imaging of the unwanted light H on the imaging surface can be suppressed. <P>COPYRIGHT: (C)2012,JPO&INPIT |
