| 摘要 |
PROBLEM TO BE SOLVED: To provide a light volume adjusting device suitable for downsizing with an optical vibration-proof mechanism and enable the downsizing of an optical instrument equipped with the light volume adjusting device.SOLUTION: A light volume adjusting vibration-proof device includes a light volume adjusting blade 3 that moves along a curved path of a concave space SA formed between a concave lens 53 and a vibration-proof lens 51, and a device main body having a blade driving section that drives the light volume adjusting blade 3 along the curved path. The device main body has camera shake compensation means 51. |
