JP2019028295A - Movable lens interlocking switch mechanism and imaging apparatus - Google Patents

Abstract

To save power in photographing by making a movable lens manually movable.SOLUTION: A movable lens interlocking switch mechanism includes a fixed barrel 10, a rotation barrel 20 which is screwed to the fixed barrel 10 and rotated while moving in an optical axis direction, a rotation operation barrel 25 which is rotated integrally with the rotation barrel 20, without moving in the optical axis direction on the outer peripheral side of the fixed barrel 10, a movable lens barrel 60 which advances and retreats in the optical axis direction in conjunction with the rotation of the rotation barrel 20, a switch 70 which is supported by the fixed barrel 10, and a control part 90 which turns on and off a power supply for photography. The rotation operation barrel 25 includes switch operation parts 25a1, 25a2, and 25a3 for operating the switch 70 in a position rotated from an initial position by a predetermined amount. The control part 90 turns on the power supply for photography in response to the signal of the switch.SELECTED DRAWING: Figure 1

Description

  BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a movable lens interlock switch mechanism in which a photographing power source is turned on in conjunction with a movable lens that is manually moved in the optical axis direction, and an imaging apparatus including the movable lens interlock switch mechanism. is there.

For example, as described in Patent Document 1, a conventional movable lens mechanism is rotated while moving in the optical axis direction by screwing a rotating helicoid into a fixed cylinder having a fixed helicoid on the inner periphery and the fixed helicoid. A rotating cylinder that rotates, a driving source (motor, gear, etc.) that drives and rotates the rotating cylinder on the outer peripheral side of the fixed cylinder, a sensing unit that senses the rotational position of the rotating cylinder, and the rotation of the rotating cylinder Some have a movable lens barrel that advances and retracts in the direction of the optical axis.
According to this prior art, the position of the movable lens cylinder can be controlled with high accuracy while detecting the rotational position of the rotary cylinder with a simple and small structure.

JP 2014-119582 A

However, according to the prior art, there is a risk that the parts cost, the manufacturing cost, and the like may increase due to the motor as the driving source, the motor driver and the control circuit that control the motor with high accuracy.
Therefore, a mechanism for moving the movable lens cylinder by manual operation is proposed, but even in this case, a power source is required to operate the shutter blades and the image sensor, and it is good while saving the power of this power source. To get a good operability.

In order to solve such a problem, the present invention has the following configuration.
A fixed cylinder, a rotating cylinder that is screwed into the fixed cylinder and rotates while moving in the optical axis direction, and a rotation that rotates integrally with the rotating cylinder without moving in the optical axis direction on the outer peripheral side of the fixed cylinder An operation cylinder; a movable lens cylinder that moves forward and backward in the direction of the optical axis in conjunction with rotation of the rotary cylinder; a switch supported by the fixed cylinder; and a control unit that turns on and off a photographing power source. Includes a switch operation unit that operates the switch at a position rotated by a predetermined amount from an initial position, and the control unit turns on a photographing power source according to a signal of the switch. Interlocking switch mechanism.

It is a perspective view which shows the protrusion state of a movable lens about an example of the movable lens interlocking | linkage switch mechanism which concerns on this invention. It is a longitudinal cross-sectional view which shows the immersion state of a movable lens about the movable lens interlocking | linkage switch mechanism. It is a longitudinal cross-sectional view which shows the protrusion state of a movable lens about the movable lens interlocking switch mechanism, and shows the state which removed the rotation operation cylinder. It is a disassembled perspective view of the movable lens interlocking switch mechanism. It is the perspective view which looked at the inner cylinder of the rotation operation cylinder from diagonally behind. It is the perspective view which looked at the outer cylinder of the rotation operation cylinder from diagonally behind. It is the cross-sectional view which looked at the engagement / disengagement state of a switch and a click mechanism from the front side, (a) is a foreground photography position, (b) is a macro photography position. It is a time chart which shows the relationship between switch operation and a power supply, (a) shows the process in which the imaging | photography power supply is turned on in a foreground photography position, (b) is the imaging | photography power supply turned on in a macro imaging position. Show the process. It is a perspective view which shows an example of the imaging device provided with the lens position detection structure which concerns on this invention.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the following description, the same reference numerals in different drawings indicate parts having the same function, and repeated description in each drawing will be omitted as appropriate.
In the following description, the direction in which the lens protrudes (left side according to FIG. 2) may be referred to as “front”, and the opposite side may be referred to as “rear”.

FIGS. 1-7 has shown the movable lens interlocking switch mechanism 1 which is the 1st embodiment of this invention.
The lens position detection structure 1 includes a fixed cylinder 10 having a fixed helicoid 11 on the inner periphery, a rotating cylinder 20 that rotates while moving in the optical axis direction by screwing a rotating helicoid 21 to the fixed helicoid 11, and a fixed cylinder. A rotation operation cylinder 25 that rotates integrally with the rotation cylinder 20 without moving in the direction of the optical axis on the outer peripheral side of the cylinder 10, and a first straight advancement mounted in the rotation cylinder 20 so as to advance and retreat integrally with the rotation cylinder 20 A cylinder 30, a cam cylinder 40 that advances and retreats while rotating by being screwed into a helicoid 32 in the first rectilinear cylinder 30, and a second rectilinear movement mounted in the cam cylinder 40 so as to advance and retreat integrally with the cam cylinder 40. The cylinder 50, the movable lens cylinder 60 that advances and retracts in the optical axis direction with the rotation of the cam cylinder 40 interlocked with the rotation of the rotary cylinder 20, the switch 70 supported by the fixed cylinder 10, and the switch 70 being operated. At the same time, the rotation cylinder 25 A click mechanism 80 for imparting resistance to rotation, and a control unit 90 for turning on and off the imaging power.
The movable lens interlocking switch mechanism 1 moves the movable lens cylinder 60 in the direction of the optical axis by rotating the rotating cylinder 20 in conjunction with the rotation operating cylinder 25 that is rotated manually. , Close-up shooting position, macro shooting position, etc.).

The fixed cylinder 10 is formed in a cylindrical shape, and has a fixed helicoid 11 and a guide groove 12 on its inner peripheral surface (see FIG. 4).
Further, the peripheral wall of the fixed cylinder 10 is fitted into an inclined elongated hole 16 for engaging an engaging pin 23 of the rotating cylinder 20 described later, and a guide groove 25a8 of the rotating operation cylinder 25 (specifically, the inner cylinder 25a). A protrusion 17 is provided.
The fixed cylinder 10 is mounted so as not to rotate with respect to a main body case or the like of the imaging apparatus.

The fixed helicoid 11 is formed of a plurality of spiral strips 11a that rotate around the optical axis, and is screwed into a rotating helicoid 21 of the rotating cylinder 20 described later.
The guide groove 12 is provided in a straight line along the optical axis so as to cut out a plurality of spiral strips 11 a constituting the fixed helicoid 11.
Further, the inclined long holes 16 are long holes that penetrate the peripheral wall of the fixed cylinder 10 and extend while being inclined in a spiral shape. 3) provided.

  The rotating cylinder 20 is formed in a cylindrical shape that fits in the fixed cylinder 10 from the front side, and includes a rotating helicoid 21 positioned on the outer peripheral surface on the rear end side, and a guide groove 22 positioned on the inner peripheral surface of the rotating cylinder 20. (See FIG. 4).

The rotating helicoid 21 is formed by a plurality of spiral strips that fit into the fixed helicoid 11.
A plurality of guide grooves 22 are provided on the inner peripheral surface of the rotating cylinder 20 at intervals in the circumferential direction. Each guide groove 22 is a concave groove extending linearly along the optical axis, and fits into an engagement pin 42 of a cam cylinder 40 described later.

  The rotation operation cylinder 25 is configured to be integrally rotatable from an inner cylinder 25a fitted to the outer periphery of the fixed cylinder 10 from the front side and an outer cylinder 25b fixed integrally to the outer periphery of the inner cylinder 25a.

  On the outer peripheral surface of the inner cylinder 25a, a plurality of switch operating portions 25a1, 25a2, 25a3 for operating the switch 70 at a position rotated by a predetermined amount from the initial position, and a plurality of engaging / disengaging recesses 25a4, 25a5 constituting the click mechanism 80 are provided. 25a6.

Each of the switch operation units 25a1, 25a2, and 25a3 is a recess formed on the outer peripheral surface of the inner cylinder 25a.
These switch operating portions 25a1, 25a2, and 25a3 are arranged at predetermined intervals in the circumferential direction so that the switch 70 is operated a plurality of times while the movable lens barrel 60 is moving forward.

The switch operation unit 25a1 is disposed so as to operate the switch 70 at a position where the movable lens cylinder 60 has advanced a little from the initial position (collapsed position) shown in FIG.
The other switch operation unit 25a2 is arranged so as to operate the switch 70 when the movable lens cylinder 60 further protrudes to the foreground shooting position (see FIG. 7A).
The other switch operation unit 25a3 is arranged so as to operate the switch 70 when the movable lens cylinder 60 further protrudes to the macro photographing position (see FIG. 7B).

Engaging / disengaging recesses 25a4, 25a5, and 25a6 are provided on the outer peripheral surface of the inner cylinder 25a at positions different from the switch operating portions 25a1, 25a2, and 25a3 at intervals in the circumferential direction. Engage / disengage with the part 81.
The engaging / disengaging recess 25a4 is disposed so as to fit into the engaging / disengaging protrusion 81 when the movable lens cylinder 60 is in the retracted position (see FIG. 2).
The other engagement / disengagement recess 25a5 is disposed so as to fit into the engagement / disengagement projection 81 when the movable lens cylinder 60 is in the foreground shooting position (see FIG. 7A). It is located approximately 180 degrees shifted in the circumferential direction with respect to 25a2.
The other engagement / disengagement recess 25a6 is disposed so as to fit into the engagement / disengagement projection 81 when the movable lens cylinder 60 is in the macro photographing position (see FIG. 7B). It is located approximately 180 degrees shifted in the circumferential direction with respect to 25a3.

Further, on the inner peripheral surface of the inner cylinder 25a, an engagement groove 25a7 that fits into the engagement pin 23 of the rotary cylinder 20 and a guide groove 25a8 that fits in the protrusion 17 on the outer peripheral surface of the fixed cylinder 10 are provided.
The engagement groove 25a7 is a groove that continues in the optical axis direction, and guides the rotary cylinder 20 to move in the optical axis direction while rotating the rotary cylinder 20 as the rotation operation cylinder 25 rotates.
The guide groove 25a8 is a groove that is continuous in the circumferential direction, and guides the fixed cylinder 10 to rotate without moving the rotary operation cylinder 25 back and forth.

The outer cylinder 25 b is a cylinder having irregularities that prevent slipping when held by hand on the outer peripheral surface thereof, and is integrally fixed to the outer peripheral portion of the rotary operation cylinder 25.
As another example, the inner cylinder 25a and the outer cylinder 25b can be formed as an integral member.

The first rectilinear cylinder 30 is formed in a cylindrical shape that fits into the rotary cylinder 20 from the rear side (see FIG. 4), and includes an engagement piece 31, a helicoid 32, an inclined elongated hole 33, and a guide groove 34. .
The first rectilinear cylinder 30 is engaged with the rotating cylinder 20 so as not to move in the front-rear direction and to rotate relatively.

The engagement piece 31 protrudes radially outward at the rear end side of the outer peripheral surface of the first rectilinear cylinder 30 and engages with the guide groove 12 of the fixed cylinder 10.
Therefore, when the rotating cylinder 20 rotates with respect to the fixed cylinder 10, the first rectilinear cylinder 30 moves straight in the optical axis direction without rotating with respect to the fixed cylinder 10.

The helicoid 32 is formed from a plurality of spiral strips that rotate around the optical axis.
The inclined long hole 33 is a long hole that penetrates the peripheral wall of the first rectilinear cylinder 30 and extends in a spiral shape, and a plurality of inclined long holes 33 are provided at intervals in the circumferential direction of the first rectilinear cylinder 30.
The guide groove 34 is provided in a straight line along the optical axis so as to cut out a plurality of spiral strips constituting the helicoid 32.

The cam cylinder 40 is formed in a cylindrical shape that fits in the first rectilinear cylinder 30 from the front side, and has a helicoid 41 located on the outer peripheral surface on the rear end side, and a protrusion protruding radially outward from the rear end side of the helicoid 41. It has a mating pin 42 and a plurality of cam portions 43 provided on the inner peripheral surface of the cam cylinder 40 at intervals in the circumferential direction (see FIG. 4).
The helicoid 41 is formed from a plurality of spiral strips that fit into the helicoid 32 of the first rectilinear cylinder 30.
A plurality of engagement pins 42 are provided at intervals in the circumferential direction. Each engaging pin 42 passes through the inclined long hole 33 of the first rectilinear cylinder 30 and fits into the guide groove 22 of the rotating cylinder 20.
A plurality of cam portions 43 are provided on the inner peripheral surface of the cam barrel 40 at intervals in the circumferential direction. Each cam portion 43 fits into the engaging portion 61 of the movable lens cylinder 60 and exerts a cam action on the engaging portion 61. The basic structure of the cam portion 43 can be configured substantially the same as that of the invention described in Patent Document 1.

The second rectilinear cylinder 50 is formed in a cylindrical shape that fits in the cam cylinder 40 from the rear side thereof, and has a plurality of engaging pieces 51 and guide long holes 52 provided at intervals in the circumferential direction (FIG. 4). reference).
Each engagement piece 51 protrudes radially outward on the rear end side of the outer peripheral surface of the second rectilinear cylinder 50 and fits into a guide groove 34 extending in the front-rear direction in the first rectilinear cylinder 30.
The second rectilinear cylinder 50 is engaged with the cam cylinder 40 so as not to move in the front-rear direction and to rotate relatively.
Therefore, when the cam cylinder 40 rotates in conjunction with the rotating cylinder 20, the second rectilinear cylinder 50 advances straight in the optical axis direction without rotating.
Each guide slot 52 passes through the peripheral wall of the second rectilinear cylinder 50 and extends linearly in the front-rear direction.

The movable lens cylinder 60 is formed in a cylindrical shape that fits into the cam cylinder 40 and protrudes forward from the cam cylinder 40, and a pin-shaped engagement portion that protrudes radially outward on the rear end side of the outer peripheral surface thereof. 61 (sometimes referred to as a follower pin) (see FIG. 4).
A plurality of engaging portions 61 are provided at intervals in the circumferential direction. Each engaging portion 61 is inserted into the guide long hole 52 of the second rectilinear cylinder 50, and the tip side thereof is fitted to the cam portion 43 of the cam cylinder 40.
In the movable lens cylinder 60, a known diaphragm mechanism and shutter unit are provided. As these internal structures, for example, those disclosed in Patent Document 1 can be used.

According to the configuration thus far, when the rotation operation cylinder 25 is rotated in one direction by manual operation, this rotational force is transmitted by the engagement groove 25a7 and the engagement pin 23, and the rotation cylinder 20 also rotates in the same direction. . Then, the rotating helicoid 21 of the rotating cylinder 20 comes into sliding contact with the fixed helicoid 11 of the fixed cylinder 10, and the rotating cylinder 20 moves forward while rotating.
At this time, the first rectilinear cylinder 30 moves forward integrally with the rotating cylinder 20 without rotating because the engaging piece 31 is fitted to the rotating helicoid 21 of the fixed cylinder 10.
The rotational force of the rotary cylinder 20 described above is transmitted to the engagement pin 42 via the guide groove 22 in the rotary cylinder 20 and rotates the cam cylinder 40 in the same direction.
The cam cylinder 40 is inserted into the inclined elongated hole 33 of the first rectilinear cylinder 30 through the helicoid 41 on the outer periphery thereof and fitted into the guide groove 22 of the rotary cylinder 20, while rotating integrally with the rotary cylinder 20. It moves forward relative to one straight cylinder 30.
At this time, the second rectilinear cylinder 50 advances integrally with the cam cylinder 40 without rotating because the engaging piece 51 is fitted in the guide groove 34 of the first rectilinear cylinder 30.
Further, the rotational force of the cam barrel 40 is transmitted to the engaging portion 61 of the movable lens barrel 60 via the cam portion 43 in the cam barrel 40, and the movable lens barrel 60 performs a straight movement according to the shape of the cam portion 43. To do.

The switch 70 includes an actuator 71 that protrudes radially inward of the rotation operation cylinder 25 (inner cylinder 25a) and an output terminal 72 that outputs a contact signal when the actuator 71 advances and retracts in the radial direction. Switch (see FIG. 7).
The switch 70 is turned off when the protruding end of the actuator 71 is in contact with the outer peripheral surface of the inner cylinder 25a, and is turned on when the protruding end is fitted to the switch operating portions 25a1 to 25a3 on the outer peripheral surface of the inner cylinder 25a.
The output terminal 72 of the switch 70 is electrically connected to the control unit 90.

The click mechanism 80 includes an engagement / disengagement recess 25a4, 25a5, 25a6 on the outer periphery of the rotation operation cylinder 25 (inner cylinder 25a), and an engagement / disengagement protrusion 81 (for example, movable in the radial direction so as to be elastically engaged / disengaged with these recesses) A sphere), a biasing member 82 (for example, a compression coil spring) that repels the engaging / disengaging convex portion 81 radially inward, and a support case 83 that supports the engaging / disengaging convex portion 81 and the biasing member 82. .
The support case 83 is fixed to the outer peripheral part of the fixed cylinder 10 on the rear side of the inner cylinder 25a, and supports the engagement / disengagement convex part 81 and the urging member 82 at a position overlapping the outer peripheral part of the inner cylinder 25a.

The control unit 90 may be, for example, a control circuit including a microcomputer, a storage device, and the like, and controls a photographing power source (not shown) according to a signal of the switch 70 and the like. The photographing power supply is a power supply circuit for operating the aperture mechanism, shutter unit, image pickup device and the like in the movable lens cylinder 60.
More specifically, the controller 90 turns on the switch 70 when the signal of the switch 70 is turned on twice or more during one-way rotation of the rotary operation cylinder 25, and when the signal after the second time is on for a predetermined time or more. The photographing power supply is turned on, and the movable lens interlocking switch mechanism 1 is brought into a photographing state.
Further, the control unit 90 switches the position of the movable lens barrel 60 in the optical axis direction (the foreground shooting position) according to the number of times the signal of the switch 70 is turned on when the shooting power supply is turned on. Or a macro photographing position), and according to the position recognition, appropriate control such as adjusting the light amount of a strobe (not shown) is performed.
Further, the control unit 90 is reset to the initial state in which the photographing power source is turned off when the rotary operation tube 25 is returned to the initial position and the movable lens tube 60 is in the retracted position.

Next, the characteristic operation and effect of the movable lens interlocking switch mechanism 1 having the above configuration will be described in detail.
First, assuming that the initial state is the retracted position (the state shown in FIG. 2), in this initial state, the switch 70 is in the OFF state (see FIG. 8).

  When the rotary operation cylinder 25 is manually rotated in one direction from the initial state, the movable lens cylinder 60 moves forward, and the click mechanism 80 enters a detached state in which the engagement / disengagement convex portion 81 is removed from the engagement / disengagement recess 25a4. Shortly thereafter, the switch 70 engages with the switch operation unit 25a1 and outputs an ON signal (see FIGS. 8A and 8B). This ON signal is temporarily stored in the control unit 90. At this time, since the engagement / disengagement convex portion 81 is between the engagement / disengagement recess 25a4 and the engagement / disengagement recess 25a5, the click mechanism 80 does not cause a click feeling. For this reason, the output time of the ON signal by the switch operation unit 25a1 can be made relatively short.

When the rotary operation cylinder 25 is manually rotated further in the one direction, the engaging / disengaging convex portion 81 of the click mechanism 80 is substantially simultaneously with the switch 70 engaging with the switch operating portion 25a2 and being turned on for the second time. The engagement / disengagement recess 25a5 is engaged (see FIG. 7A) to give the operator a click feeling.
At this time, the control unit 90 determines whether or not the second ON signal continues for a predetermined time or more. If the second ON signal continues for a predetermined time or longer, the control unit 90 turns on the imaging power supply after the predetermined time elapses. At the same time, it is recognized that the movable lens barrel 60 is in the foreground shooting position (see FIG. 8A), and control based on the position recognition (for example, strobe light amount adjustment) is performed.
The imaging power supply is turned on after a predetermined time has elapsed after being turned on as described above.

When the second ON signal does not continue for a predetermined time or more, the rotation operation cylinder 25 is further manually rotated in the one direction, and the switch 70 is engaged with the switch operation unit 25a2 to be turned ON for the third time. At substantially the same time as the third turn-on, the engagement / disengagement projection 81 and the engagement / disengagement recess 25a6 of the click mechanism 80 are engaged (see FIG. 7B), giving the operator a click feeling.
At this time, the control unit 90 determines whether or not the third ON signal continues for a predetermined time or more. If the third ON signal continues for a predetermined time or longer, the control unit 90 turns on the imaging power supply after the predetermined time elapses. At the same time, it is recognized that the movable lens cylinder 60 is at the macro shooting position (see FIG. 8B), and control based on the position recognition (for example, strobe light amount adjustment) is performed.
The imaging power supply is turned on after a predetermined time has elapsed after being turned on as described above.

Note that the control unit 90 maintains the photographing power supply off when the third on signal has not continued for a predetermined time or more.
Further, when the movable lens cylinder 60 is returned to the initial position (collapsed position) by the rotation operation of the rotation operation cylinder 25 in the reverse direction, the control unit 90 is reset to the initial state.

  Therefore, according to the movable lens interlocking switch mechanism 1 configured as described above, the movable lens can be moved in the front-rear direction by a simple structure with good manual operability, and the photographing power source can be turned on only when necessary, thereby saving power. Further, the front and rear positions of the movable lens cylinder 60 can be recognized with high accuracy.

And the said movable lens interlocking | linkage switch mechanism 1 is integrated in the imaging device A shown in FIG. 9, for example. This imaging device A constitutes a single-focus camera by mounting the above-described movable lens interlocking switch mechanism 1 on the front surface of the case a1.
According to this image pickup apparatus A, since the movable lens interlocking switch mechanism 1 having the above-described configuration is used, the movable lens can be moved back and forth with a simple structure with good operability, and the power consumption at the time of photographing is relatively small, and the movable lens is movable. The front and rear positions of the lens barrel 60 can be easily and accurately recognized.

  In the above embodiment, the configuration related to the far-field shooting position is omitted, but the configuration related to the far-field shooting position may apply a basic structure that is substantially the same as the configuration related to the foreground shooting position and the macro shooting position. Is possible.

  Further, according to the above-described embodiment, as a particularly preferable aspect, the photographing power source is not turned on when the first switch 70 is turned on. However, as another example, the photographing switch is turned on when the first switch 70 is turned on. It is also possible to adopt a mode in which the power source is turned on, a mode in which the photographing power source is turned on by an on / off pattern other than the illustrated example of the switch 70.

  Further, according to the above embodiment, the control unit 90 is reset to the initial state by returning the rotary operation cylinder 25 to the initial position. However, as another example, the rotary operation cylinder 25 is set to the initial position. Depending on the on / off pattern of the switch 70 at the time of returning to, it is possible to control the photographing power source and recognize the position of the movable lens barrel 60.

  As described above, the embodiments of the present invention have been described in detail. However, the specific configuration is not limited to these embodiments, and even if there is a design change or the like without departing from the gist of the present invention, Included in the invention. In addition, the above-described embodiments can be combined by utilizing each other's technology as long as there is no particular contradiction or problem in the purpose and configuration.

1: Movable lens interlocking switch mechanism 10: Fixed cylinder 20: Rotating cylinder 25: Rotating operation cylinder 25a1, 25a2, 25a3: Switch operation section 25a4, 25a5, 25a6: Engaging / disengaging recess 30: First rectilinear cylinder 40: Cam cylinder 50: Second rectilinear cylinder 60: Movable lens cylinder 70: Switch 80: Click mechanism 90: Control unit

Claims (7)

A fixed cylinder, a rotating cylinder that is screwed into the fixed cylinder and rotates while moving in the optical axis direction, and a rotation that rotates integrally with the rotating cylinder without moving in the optical axis direction on the outer peripheral side of the fixed cylinder An operation cylinder, a movable lens cylinder that moves back and forth in the direction of the optical axis in conjunction with the rotation of the rotary cylinder, a switch supported by the fixed cylinder, and a control unit that turns on and off the photographing power source,
The rotation operation cylinder is provided with a switch operation unit for operating the switch at a position rotated by a predetermined amount from an initial position,
The movable lens interlocking switch mechanism, wherein the control unit turns on a photographing power source according to a signal of the switch.   2. The movable lens according to claim 1, wherein the control unit turns on the imaging power source when the signal of the switch is on for a predetermined time or more during rotation in one direction of the rotation operation cylinder. Interlocking switch mechanism. A plurality of the switch operation portions are provided at intervals in the circumferential direction so that the switch is operated a plurality of times during rotation in one direction of the rotation operation cylinder.
The control unit turns on the photographing power source when the switch signal is turned on at least twice and the second and subsequent signals are on for a predetermined time or more during one-way rotation of the rotating operation cylinder. The movable lens interlocking switch mechanism according to claim 1, wherein:   4. The movable lens interlocking switch mechanism according to claim 3, wherein the control unit recognizes the position of the movable lens cylinder in the optical axis direction according to the number of times the switch signal is turned on.   5. The movable lens according to claim 1, wherein the control unit is reset to an initial state in which a photographing power source is turned off when the rotating operation cylinder is returned to an initial position. 6. Interlocking switch mechanism. A click mechanism is provided between the fixed cylinder and the rotation operation cylinder to provide resistance to the rotation of the rotation operation cylinder almost simultaneously with the operation of the switch by the switch operation unit.
The click mechanism includes an engagement / disengagement recess provided on one side of the fixed cylinder and the rotation operation cylinder, and an engagement / disengagement protrusion provided on the other side to be elastically engaged / disengaged from the engagement / desorption recess. The movable lens interlocking switch mechanism according to claim 1, wherein the movable lens interlocking switch mechanism is provided.   An imaging apparatus comprising the movable lens interlocking switch mechanism according to any one of claims 1 to 6.

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