| 摘要 |
PROBLEM TO BE SOLVED: To obtain high shape accuracy without causing a distortion at the time of releasing a mold after molding a diaphragm plate by preventing a deterioration in image forming performance caused by the peeling of the diaphragm plate. SOLUTION: In the molded lens with an aperture diaphragm inside which the diaphragm plate 101 where an aperture diaphragm is formed is arranged, the surface roughness of a 1st area surrounding the aperture diaphragm 102 on the light incident side or the light emitting side of the diaphragm plate 101 is made to be coarser than that of a 2nd area being the peripheral part of the 1st area. COPYRIGHT: (C)2005,JPO&NCIPI
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