| 摘要 |
<p>A first focus ring (2A) of the relative position instruction type and a second focus ring (2B) of the absolute position instruction type are arranged on the outer circumference portion of the lens barrel (1). The first focus ring (2A) is slidable in the optical axis direction (O), and when it is set to a front-side specified position, that realizes the relative position instruction type focus operation, while at the rear-side specified position, the second focus ring (2B) is rotated in conjunction with the first focus ring (2A) to realize the absolute position instruction type focus operation. Since the second focus ring (2B) is not directly operated by the user, the outer circumference portion of the second focus ring (2B) is covered by the cover portion (13B) integrally formed on a fixing member (13).
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