| CPC H04N 23/62 (2023.01) [G06F 3/0346 (2013.01); H04N 23/55 (2023.01)] | 10 Claims |

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1. An image pick up apparatus comprising:
a lens apparatus, the lens apparatus comprising:
lenses,
a fixed barrel,
a rotatable ring configured to rotate about an optical axis,
a plurality of buttons arranged on an exterior portion of the fixed barrel, and
a mount configured to hold the lens apparatus,
an image pickup portion configured to capture an image formed by the lens apparatus; and
an attitude sensor,
wherein
each of the plurality of buttons arranged on the exterior portion of the fixed barrel of the lens apparatus is respectively assigned a function to be executed by operating each button; and
the assigned function is switched in accordance with an attitude of the image pick up apparatus detected by the attitude sensor.
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