Lens barrel and imaging device

1 . A lens barrel comprising:

a lens barrel main body that holds an optical system;

a first operation member that is provided around the lens barrel main body and adjusts an optical function of the optical system;

a second operation member that is provided around the lens barrel main body and varies a degree of adjustment of the optical function by the first operation member; and

a processor configured to perform, in a case where the first operation member is operated, control of executing a first mode in which the optical function is adjusted according to a setting pattern, and

wherein, in the setting pattern, an amount of increase in an adjustment speed is large at a rising edge of the operation, and the amount of increase in the adjustment speed is gradually small as a pressing time elapses,

wherein the lens barrel further comprising:

a third operation member that is provided around the lens barrel main body,

wherein the processor is configured to perform control of switching a mode to any one of the first mode, a second mode, or a third mode by operating the third operation member, wherein the adjustment speed in adjusting the optical function according to an operation amount of the first operation member is different depending on the mode.

2 . The lens barrel according to claim 1 ,

wherein the second operation member is provided near the first operation member.

3 . The lens barrel according to claim 1 ,

wherein the second operation member is disposed with respect to the first operation member in an optical axis direction of the lens barrel main body.

4 . The lens barrel according to claim 3 ,

wherein the lens barrel main body is detachable from and attachable to a camera main body, and

the second operation member is positioned on a camera main body side of the lens barrel main body in the optical axis direction with respect to the first operation member and is disposed at a position overlapping with the first operation member in a circumferential direction of the lens barrel main body.

5 . The lens barrel according to claim 4 ,

wherein the lens barrel main body has an operation member area including the first and second operation members, and

in a case where an upper position around the lens barrel main body in a vertical direction is a reference position, the camera main body side of the lens barrel main body in the optical axis direction is a rear surface side, and a subject side opposite to the camera main body side is a front surface side, the operation member area is provided on a left-side surface side around the lens barrel main body with the reference position as a base point.

6 . The lens barrel according to claim 5 ,

wherein the operation member area is disposed within a range of 0° to 90° with the reference position as the base point.

7 . The lens barrel according to claim 1 ,

wherein the second operation member is a first rotation member rotatably supported about a rotational axis intersecting an optical axis direction of the lens barrel main body.

8 . The lens barrel according to claim 7 , further comprising:

a restriction mechanism that is provided in the second operation member and puts rotation of the second operation member in a restriction state where the rotation is restricted.

9 . The lens barrel according to claim 8 ,

wherein the restriction mechanism switches between the restriction state and a release state where the restriction state is released.

10 . The lens barrel according to claim 1 ,

wherein a position of the second operation member in a radial direction of the lens barrel main body is positioned on an inner diameter side of a maximum outer diameter of the lens barrel main body.

11 . The lens barrel according to claim 1 ,

wherein the processor is configured to store in advance the setting pattern indicating a relationship between the operation amount of the first operation member and an adjustment amount of the optical function according to the operation amount.

12 . The lens barrel according to claim 11 ,

wherein the processor is configured to perform control of executing the second mode in which the adjustment speed in the case of adjusting the optical function is accelerated or decelerated according to the operation amount.

13 . The lens barrel according to claim 12 ,

wherein the processor is configured to perform control of executing the third mode in which the adjustment speed in the case of adjusting the optical function is held constant regardless of the operation amount.

14 . The lens barrel according to claim 11 ,

wherein the optical function to be adjusted according to the operation amount of the first operation member is any one of an angle of view, a stop, or a camera shake correction amount of the optical system.

15 . The lens barrel according to claim 1 ,

wherein the processor is configured to perform, in the first mode, control of not receiving an instruction to adjust the optical function by the second operation member.

16 . The lens barrel according to claim 1 ,

wherein the processor is configured to perform, in the second mode, control of accelerating or decelerating the adjustment speed by operating the second operation member.

17 . The lens barrel according to claim 1 ,

wherein the processor is configured to perform, in the third mode, control of selecting any one of a plurality of the adjustment speeds by operating the second operation member.

18 . An imaging device comprising:

the lens barrel according to claim 1 ; and

a camera main body.

19 . A lens barrel comprising:

a lens barrel main body that holds an optical system;

a first operation member that is provided around the lens barrel main body and adjusts an optical function of the optical system;

a second operation member that is provided around the lens barrel main body and varies a degree of adjustment of the optical function by the first operation member; and

a processor configured to perform, in a case where the first operation member is operated, control of executing a first mode in which the optical function is adjusted according to a setting pattern, and

wherein, in the setting pattern, an amount of increase in an adjustment speed is large at a rising edge of the operation, and the amount of increase in the adjustment speed is gradually small as a pressing time elapses,

wherein the second operation member is a first rotation member rotatably supported about a rotational axis intersecting an optical axis direction of the lens barrel main body.

20 . A lens barrel comprising:

a lens barrel main body that holds an optical system;

a first operation member that is provided around the lens barrel main body and adjusts an optical function of the optical system;

a second operation member that is provided around the lens barrel main body and varies a degree of adjustment of the optical function by the first operation member; and

a processor configured to perform, in a case where the first operation member is operated, control of executing a first mode in which the optical function is adjusted according to a setting pattern, and

wherein, in the setting pattern, an amount of increase in an adjustment speed is large at a rising edge of the operation, and the amount of increase in the adjustment speed is gradually small as a pressing time elapses,

wherein the lens barrel main body is detachable from and attachable to a camera main body, and

the second operation member is positioned on a camera main body side of the lens barrel main body in an optical axis direction with respect to the first operation member and is disposed at a position overlapping with the first operation member in a circumferential direction of the lens barrel main body.

21 . A lens barrel comprising:

a lens barrel main body that holds an optical system;

a first operation member that is provided around the lens barrel main body and adjusts an optical function of the optical system;

a second operation member that is provided around the lens barrel main body and varies a degree of adjustment of the optical function by the first operation member; and

a processor configured to perform, in a case where the first operation member is operated, control of executing a first mode in which the optical function is adjusted according to a setting pattern, and

wherein, in the setting pattern, an amount of increase in an adjustment speed is large at a rising edge of the operation, and the amount of increase in the adjustment speed is gradually small as a pressing time elapses,

wherein a position of the second operation member in a radial direction of the lens barrel main body is positioned on an inner diameter side of a maximum outer diameter of the lens barrel main body.