| 摘要 |
A plastic lens includes: a lens body which has a first surface, a second surface opposite to the first surface, a circumferential surface interconnecting the first surface and the second surface, and a central optical axis along which the first and second surfaces are arranged, the first surface having a curved surface portion and a stepped surface portion surrounding the curved surface portion; a first flash that is located at the stepped surface portion and that surrounds the central optical axis; and a second flash that is located at the stepped surface portion and that surrounds the first flash. |
