| 摘要 |
An optical element switching apparatus can switch optical elements, as desired, without interference between the optical element and an object. The optical element switching apparatus comprises a movement member to which a plurality of optical elements are detachably attached and which is supported to be parallel-linearly movable by means of a guide mechanism, a drive mechanism for parallel-linearly moving the movement member, and a guide member for guiding, where the optical elements are to be switched, the optical element to be switched in such a direction as to retreat from the object when the movement member is to be parallel-linearly moved.
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