| 摘要 |
<p>An ocular device (10) of an endoscope (1) comprises: a lens unit (40) which retains an ocular lens assembly (41), and which further comprises a first cam pin (44); a first cylindrical cam (50), which pivots in linkage with a mounting operation of a photographic device, which further comprises a first cam depression (58) which guides the first cam pin (44), and which displaces the lens unit (40) to a focal reference location of the photographic device in a direction of an optical axis (O); a second cylindrical cam (60), further comprising a second cam depression (61) which guides the first cam pin (44), and displaces the location of the lens unit in the direction of the optical axis (O), allowing free adjustment of a diopter value; and a switching mechanism which switches the first cam pin (44) from being in contact with the second cam depression (61) to being in contact with the first cam depression (58) in linkage with the pivot of the first cylindrical cam (50) in a prescribed diopter range which is adjusted by the second cylindrical cam (60).</p> |
