CPC H04N 23/67 (2023.01) [G08B 3/10 (2013.01); G10H 1/0008 (2013.01); G10K 15/04 (2013.01); G10H 2210/586 (2013.01)] | 7 Claims |
1. An imaging device comprising:
an image sensor configured to capture an object image entering via an optical system;
a controller configured to control focusing operation to focus the object image by the optical system; and
an annunciator configured to output focusing sound indicating that the imaging device is in focus, according to the focusing operation,
wherein the focusing sound has a chord frequency characteristic of the focusing sound includes a first sound component based on first frequency, and a second sound component based on second frequency that is higher than the first frequency and lower than twice frequency of the first frequency.
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