| 摘要 |
An imaging unit including an image sensor (83), an incident-side prism (LP1), an exit-side prism (LP2), and an intermediate optical system (LG1,LG2) positioned therebetween, wherein light incident on the incident-side prism passes through the incident-side prism, the intermediate optical system and the exit-side prism to be incident on the image sensor, the imaging unit includes a housing (21) supporting the incident-side prism, the exit-side prism and the intermediate optical system such that incident and exit optical axes of the incident-side prism, an optical axis of the intermediate optical system, and incident and exit optical axes of the exit-side prism all lie on a common plane; and a cover board (80), on which the image sensor is mounted, fixed to the housing so that the image sensor faces an exit surface of the exit-side prism, the cover board closing an opening of the housing.
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