| 摘要 |
On a drive ring, a first flash lamp cam groove 30a and a second flash lamp cam groove 30b are formed. The first flash lamp cam engages with a flash unit to bring the flash unit into an in-use state when an imaging apparatus is in an imaging state, and to bring the flash unit into a stored state when the imaging apparatus is in a non-imaging state. If the flash unit is moved from the in-use state to the stored state by a manual operation, when the imaging apparatus is in the imaging state, the second flash lamp cam releases engagement between the flash unit and the first flash lamp cam to engage with the flash unit, and brings the imaging apparatus into the non-imaging state from the imaging state while maintaining the flash unit in the stored state.
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