| 摘要 |
PROBLEM TO BE SOLVED: To seal an inflow route that passes through a light source unit itself, seal a gap between the light source unit and a housing, and achieve them by a simple configuration, in a configuration using a compound eye incident lens.SOLUTION: An optical scanner includes a dust-proof seal 7 which is held between an anamorphic lens 2 and an optical box 90 and closes a gap between the anamorphic lens 2 and an opening 90a of the optical box 90. |
