| 摘要 |
The invention provides a lens device comprising: an imaging optical system in which a vibration proof optical system for image shake correction is arranged in a main optical path for focusing a subject image for recording or reproduction and at the same time a light splitting optical system for branching subject light from the main optical path to an optical path for AF use for focusing a subject image for AF use is arranged in the main optical path, wherein the light splitting optical system is disposed at a rear stage of the main optical path relative to the vibration proof optical system.
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