To provide a lens interchangeable type imaging apparatus capable of detecting attachment/detachment of a lens in a state where a power source is turned off.
A camera body (100) includes: a body mount 41 to which a lens unit (200) is detachably attached; an imaging part (110) capturing an optical image; the power source (160) supplying power; and an attachment/detachment detection part capable of detecting that the lens unit is attached to/detached from the body mount in the state where the power source is turned off. The attachment/detachment detection part has, for example, a lock operation detection part (41e) detecting inhibition release operation of a lock part by receiving power supply from the power source or another power source even in the state where the power source is turned off, and a counter (59a) counting the number of detecting times of the lock operation detection part by receiving power supply from the power source or another power source even in the state where the power source is turned off.
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Hiroki Naito
Daisuke Nagano
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