Lens barrel and imaging device

Abstract

In order to provide a lens barrel having high focusing accuracy, the lens barrel includes a lens holding frame holding a lens; an outer tube disposed outside the lens holding frame; a guide portion guiding the lens holding frame in an optical axis direction; a drive portion moving the lens holding frame in the optical axis direction; a detection portion having a scale portion and a sensor portion, the scale portion being disposed along the optical axis direction, the sensor portion being disposed opposite the scale portion, the detection portion detecting a position of the lens holding frame in the optical axis direction; and a control portion controlling the drive portion based on information related to the position detected by the detection portion, the lens holding frame holding one of the scale portion and the sensor portion, the outer tube holding the other of the scale portion and the sensor portion, the one of the scale portion and the sensor portion being disposed at a position where the lens holding frame is disposed at a node portion corresponding to a vibration mode having a minimum natural vibration frequency among a plurality of vibration modes generated by the lens and the lens holding frame.

Description

Technical Field

[0001] This invention relates to lens barrels and imaging devices. Background Technology

[0002] In the lens barrel, focusing accuracy is required (e.g., Patent Document 1).

[0003] Existing technical documents

[0004] Patent documents

[0005] Patent Document 1: Japanese Patent Application Publication No. 2021-92645 Summary of the Invention

[0006] According to the first embodiment, the lens barrel includes: a lens holding frame for holding the lens; an outer barrel disposed outside the lens holding frame; a guide portion for guiding the lens holding frame in the optical axis direction; a drive portion for moving the lens holding frame in the optical axis direction; a detection portion having a scale portion and a sensor portion for detecting the position of the lens holding frame in the optical axis direction, the scale portion being disposed along the optical axis direction, and the sensor portion being disposed opposite to the scale portion; and a control portion for controlling the drive portion based on information related to the position detected by the detection portion, wherein the lens holding frame holds one of the scale portion and the sensor portion, and the outer barrel holds the other of the scale portion and the sensor portion, wherein the other one is disposed in the lens holding frame at a position corresponding to a node of the vibration mode with the smallest inherent vibration frequency among a plurality of vibration modes generated by the lens and the lens holding frame.

[0007] According to the second method, the shooting device includes the aforementioned lens barrel and shooting element.

[0008] Furthermore, the structure of the embodiments described later can be appropriately modified, and at least a portion can be replaced with other structures. Moreover, structural elements not particularly limited in their configuration are not limited to the configuration disclosed in the embodiments and can be configured in locations that achieve their function. Attached Figure Description

[0009] Figure 1 This is a diagram showing a camera having the lens barrel and camera body according to the embodiment.

[0010] Figure 2 (A) is a perspective view of the second fixed cylinder and the lens holding frame. Figure 2 (B) is a top view of the second fixing tube and lens holding frame viewed from the subject side.

[0011] Figure 3 This is a diagram showing the general structure of VCM.

[0012] Figure 4 (A) and Figure 4 (B) is a schematic three-dimensional view of the lens holding frame.

[0013] Figure 5 This is a top view of the lens holding frame viewed from the subject side.

[0014] Figure 6 (A) and Figure 6 (B) are a perspective view and a top view, respectively, used to illustrate the configuration of the first flexible substrate and the second flexible substrate.

[0015] Figure 7 (A) and Figure 7 (B) is a graph used to illustrate the simulation results of the vibration modes.

[0016] Figure 8 (A) and Figure 8 (B) is a diagram illustrating another example of the configuration of a position detector. Detailed Implementation

[0017] The lens barrel 100 according to one embodiment will now be described in detail with reference to the accompanying drawings. Furthermore, for ease of understanding, some elements are sometimes omitted from the illustrations in the figures.

[0018] Figure 1 This diagram shows a camera 1 equipped with the lens barrel 100 and camera body 101 according to the embodiment. Furthermore, in this embodiment, the lens barrel 100 can be attached to and detached from the camera body 101, but this is not a limitation; the lens barrel 100 and the camera body 101 may also be integral.

[0019] The camera body 101 internally includes an imaging element IS and a control unit 140. The imaging element IS is composed of photoelectric conversion elements such as CCD (Charge Coupled Device), which converts the image of the subject obtained by imaging through the imaging optical system (lens barrel 100 mounted on the camera body 101) into an electrical signal.

[0020] The control unit 140 includes a CPU (Central Processing Unit) and other components to centrally control the overall operation of the camera 1 involved in photography, including the focus drive at the camera body 101 and the mounted lens barrel 100.

[0021] like Figure 1 As shown, the lens barrel 100 includes a first fixing barrel 10 and a second fixing barrel 20. In this embodiment, the first fixing barrel 10 is composed of multiple components, but it may also be composed of a single component. Figure 1 As shown, a lens holder LM is fixed at the first fixed cylinder 10, which is capable of attaching and detaching the lens barrel 100 relative to the camera body 101.

[0022] Furthermore, the lens barrel 100 includes lens groups L1 to L7 arranged sequentially along a common optical axis OA. Lens group L3 is held in the lens holding frame F3, and the other lens groups are held in the first fixed barrel 10. Moreover, lens groups L1 to L7 can each consist of a single lens or multiple lenses. Alternatively, lens groups L1, L2, and L4 to L7 may not be held in the first fixed barrel 10, but rather in a lens holding frame that is movable in the direction of the optical axis OA.

[0023] Figure 2 (A) is a perspective view of the second fixed cylinder 20 and the lens holding frame F3. Figure 2 (B) is a top view of the second fixing cylinder 20 and the lens holding frame F3 from the subject side. The second fixing cylinder 20 is positioned outside the lens holding frame F3, and a guide rod 22 and a rotation limiting rod 23 are fixed to the second fixing cylinder 20. The guide rod 22 guides the lens holding frame F3 in the optical axis OA direction. The rotation limiting rod 23 limits the rotation of the lens holding frame F3 about the guide rod 22.

[0024] Additionally, within the second fixed cylinder 20, a first VCM (Voice Coil Motor) 50A and a second VCM 50B are provided for moving the lens holding frame F3 in the optical axis OA direction. Figure 2 As shown in (B), the first VCM50A and the second VCM50B are positioned opposite each other on a plane orthogonal to the optical axis OA, sandwiching the optical axis OA. Furthermore, the number of VCMs is not limited to this embodiment; it can be one or more. In the following description, unless otherwise specified, the first VCM50A and the second VCM50B will be referred to as VCM50.

[0025] VCM50 uses a drive device 110 (see reference) provided inside the lens barrel 100. Figure 1 The drive unit 110 controls the focusing drive of the lens group L3 under the control of the control unit 140 of the camera body 101. Specifically, the drive unit 110 generates a drive signal for the VCM 50 based on the position information of the lens group L3 input from the position detector 60 (described later) and the target position information of the lens group L3 input from the control unit 140 of the camera body 101, and outputs it to the VCM 50. The drive unit 110 is provided on the main substrate 120.

[0026] Figure 3This is a diagram showing a schematic structure of VCM50. VCM50 includes a first side yoke 501a and a second side yoke 501b having lengths in the optical axis OA direction, and a central yoke 502 having lengths in the optical axis OA direction and disposed between the first side yoke 501a and the second side yoke 501b.

[0027] In addition, the VCM50 includes an upper yoke 503a that connects one end of the first side yoke 501a, the second side yoke 501b, and the central yoke 502 along the optical axis OA, and a lower yoke 503b that connects the other end of the first side yoke 501a, the second side yoke 501b, and the central yoke 502 along the optical axis OA. Thus, a closed magnetic circuit is formed.

[0028] A first magnet 504a is disposed on the side of the central yoke 502 of the first yoke 501a, and a second magnet 504b is disposed on the side of the central yoke 502 of the second yoke 501b. The first magnet 504a is disposed, for example, with the central yoke 502 side as the N pole, and the second magnet 504b is also disposed with the central yoke 502 side as the N pole. Thus, a magnetic circuit is formed in which magnetic flux enters the central yoke 502 from the N poles of the first magnet 504a and the second magnet 504b, passes through the upper yoke 503a and the lower yoke 503b, and returns to the S poles of the first magnet 504a and the second magnet 504b, respectively.

[0029] Furthermore, the VCM50 includes a coil 505 penetrated by a central yoke 502. A small gap exists between the inner circumferential surface of the coil 505 and the central yoke 502, allowing the coil 505 to move along the optical axis OA. Additionally, the coil 505 is configured such that the orientation of the magnetic flux gathered at the central yoke 502 from the first and second side yokes 501a and 501b is perpendicular to the winding direction of the coil 505.

[0030] A drive signal (current) is input to the coil 505 from the drive device 110. When current flows through the coil 505, the coil 505 moves in the optical axis OA direction due to the magnetic force of the first magnet 504a and the second magnet 504b. More specifically, the coil 505 moves in the optical axis OA direction through the electromagnetic interaction between the current-flowing coil 505 and the first magnet 504a and the second magnet 504b. By changing the direction of the current flowing through the coil 505, the direction of movement of the coil 505 can be switched between the subject side and the camera body 101 side (image plane side). Furthermore, by changing the value of the current flowing through the coil 505, the driving force and moving speed of the coil 505 can be changed.

[0031] In this embodiment, lens group L3 is a focusing lens group, which is moved in the optical axis OA direction by VCM50 for focusing. More specifically, a yoke and magnet are disposed in the second fixing cylinder 20, and the lens holding frame F3 of lens group L3 is connected to the coil 505 of VCM50. Therefore, if coil 505 moves in the optical axis OA direction, lens group L3 moves in the optical axis OA direction. Alternatively, a stepper motor or an ultrasonic motor can be used instead of VCM50 to move lens group L3.

[0032] Next, the structure of the lens holding frame F3 will be explained. Figure 4 (A) and Figure 4 (B) is a schematic three-dimensional view of the lens holding frame F3. Figure 5 This is a top view of the lens holding frame F3 from the subject side. Figure 4 In (B), the omission is in Figure 4 A diagram of a portion of the structure shown in (A).

[0033] like Figure 4 (A) and Figure 4 As shown in (B), the lens holding frame F3 has a cylindrical portion 30 for holding the lens group L3. A locking portion 31 that engages with the guide rod 22 is provided on the outer periphery of the cylindrical portion 30. A coil 505 for holding the first VCM 50A and a coil 505 for holding the second VCM 50B are also provided (see reference). Figure 3 The lens holding frame F3 has holding portions 33a and 33b and a scale holding portion 34 for the scale portion 60a of the position detector 60. In addition, the lens holding frame F3 has an extension portion 36 extending from the cylindrical portion 30 in the direction of the optical axis OA.

[0034] The lens barrel 100 includes a position detector 60 that detects the absolute position of the lens holding frame F3 (lens group L3) along the optical axis OA direction. The position detector 60 is, for example, an optical absolute (ABS) position detector, having a scale portion 60a and a sensor portion 60b disposed opposite to the scale portion 60a. In this embodiment, the scale portion 60a is mounted on the scale holding portion 34 along the optical axis OA direction, and the sensor portion 60b is mounted on the second fixed cylinder 20.

[0035] like Figure 5 As shown, on a plane orthogonal to the optical axis OA, the position detector 60 is disposed in the smaller region between the guide rod 22 and the second VCM 50B. Furthermore, in the circumferential direction, the first VCM 50A, guide rod 22, position detector 60, second VCM 50B, and rotation limiting rod 23 are arranged sequentially. Additionally, on a plane orthogonal to the optical axis OA, the position detector 60 is positioned opposite the extension 36, sandwiching the optical axis OA.

[0036] Here, the first flexible substrate FPC1 is connected to VCM50, and the second flexible substrate FPC2 is connected to position detector 60. Figure 6 (A) and Figure 6 (B) are a perspective view and a top view, respectively, for illustrating the configuration of the first flexible substrate FPC1 and the second flexible substrate FPC2.

[0037] like Figure 6 As shown in (B), on a plane perpendicular to the optical axis OA, the first flexible substrate FPC1 and the second flexible substrate FPC2 are arranged circumferentially in the smaller region between the guide rod 22 and the second VCM50B. Because the first flexible substrate FPC1 and the second flexible substrate FPC2 are arranged together in this way, wiring to the main substrate 120 disposed within the lens barrel 100 can be easily performed.

[0038] Next, the configuration of the position detector 60 will be explained in detail. First, the multiple vibration modes generated in the lens group L3 and the lens holding frame F3 during the drive control of the lens holding frame F3 will be explained.

[0039] The inventors simulated the vibration modes generated by the lens group L3 and lens holding frame F3 having the above-described structure. In the simulation, the total mass of the lens group L3 and lens holding frame F3 was assumed to be 55g to 83g.

[0040] Figure 7 (A) and Figure 7 (B) is a graph used to illustrate the simulation results. Figure 7 (A) is a cross-sectional view of lens group L3 and lens holding frame F3. Figure 7 (B) is a top view of the lens holding frame F3 as seen from the subject side.

[0041] As a result of the simulation, peaks (natural vibration frequencies) of the frequency response function (transfer function) were observed at multiple frequencies. For example, with the total mass of the lens group L3 and the lens holding frame F3 set to approximately 70g, peaks of the frequency response function were observed at multiple frequencies including 264Hz and 481Hz.

[0042] Here, in the vibration mode with the lowest natural vibration frequency (264Hz) (denoted as mode 2), a tilting motion is excited at the lens group L3 and the lens holding frame F3, starting from the engaging part 31 that engages with the guide rod 22. Specifically, in mode 2, as in Figure 7 As shown by the dashed line in (A), lens group L3 moves (vibrates). Figure 7As shown in (B), this vibration is a vibration with an amplitude of approximately zero (node) at the position of line B on a plane orthogonal to the optical axis OA. Line B is a line that is approximately orthogonal to line A, obtained by connecting the center of guide rod 22 to the optical axis OA, and passes through the optical axis OA. That is, the angle α between line A and line B is approximately 90°. Here, approximately 90° means, for example, a range of 80° to 100° or a range of 85° to 95°. Furthermore, in Figure 7 In (A), for the sake of simplicity, the motion of the lens holding frame F3 is omitted. In addition, PL1 represents the plane containing the straight line B and orthogonal to the plane perpendicular to the optical axis OA.

[0043] On the other hand, in the vibration mode with the second smallest natural vibration frequency (481 Hz) (denoted as mode 3), a vibration with an amplitude of approximately zero (node) is generated at the position of the straight line A obtained by connecting the center of the guide rod 22 with the optical axis OA.

[0044] Furthermore, after actually confirming the vibration mode in a real machine with the total mass of lens group L3 and lens holding frame F3 set to 55g~83g, in Figure 7 The position of line B (B) confirms the node of the vibration mode with the smallest natural vibration frequency.

[0045] If the lens group L3 and the lens holding frame F3 vibrate, the position detector 60 will detect not only the position of the lens holding frame F3 along the optical axis OA, but also the displacement of the lens group L3 and the lens holding frame F3 along the optical axis OA caused by the vibration. Therefore, the position detection accuracy of the lens holding frame F3 (lens group L3) decreases. This decrease in the position detection accuracy of the lens holding frame F3 leads to a decrease in focusing accuracy.

[0046] To suppress structural resonance of the controlled object, it is generally considered preferable to set B < A / 5 when the frequency of structural resonance of the controlled object is set to A and the control frequency is set to B. According to this formula, if A is small, then B (control frequency) becomes small. The smaller the control frequency, the longer the control interval (control period), therefore, the responsiveness of the VCM50 drive control deteriorates.

[0047] With the target control frequency set at 70Hz to 100Hz, the natural frequency of Mode 2 is 264Hz. Therefore, if the control frequency is determined based on the natural frequency of Mode 2 (264Hz) according to the above formula, the control frequency becomes, for example, 52.8Hz, which no longer falls within the target range. That is, if the control frequency is determined based on the natural vibration frequency of Mode 2, the responsiveness of the VCM50's drive control deteriorates.

[0048] Therefore, in this embodiment, the scale portion 60a of the position detector 60 is positioned at a node location in mode 2. Specifically, the scale holding portion 34 of the lens holding frame F3 is positioned at a node location in mode 2, and the scale portion 60a is mounted on the scale holding portion 34. More specifically, the scale portion 60a (position detector 60) is configured such that the angle α between the straight line A obtained by connecting the center of the guide rod 22 to the optical axis OA on a plane orthogonal to the optical axis OA and the straight line B obtained by connecting the scale portion 60a to the optical axis OA is approximately 90°. Figure 7 (B)

[0049] By configuring the position detector 60 in this way, even if the lens group L3 and the lens holding frame F3 vibrate in mode 2, the position of the lens group L3 and the lens holding frame F3 will hardly shift at this node. Therefore, the impact of the vibration in mode 2 on the detection accuracy of the position detector 60 can be reduced.

[0050] Furthermore, since the natural frequency of Mode 3 is 481Hz, if the control frequency is determined based on the natural frequency of Mode 3, the control frequency becomes 96.2Hz, falling within the target range for the control frequency. This improves the responsiveness of the VCM50's drive control. Additionally, by making the control frequency one-fifth lower than the natural frequency of Mode 3, the impact of vibrations from Mode 3 on the control can be reduced.

[0051] As detailed above, according to this embodiment, the lens barrel 100 includes a lens holding frame F3 for holding the lens group L3, a second fixing cylinder 20 disposed outside the lens holding frame F3, a guide rod 22 for guiding the lens holding frame F3 in the optical axis OA direction, a VCM 50 for moving the lens holding frame F3 in the optical axis OA direction, a position detector 60 for detecting the position of the lens holding frame F3 in the optical axis OA direction, and a drive device 110 for controlling the VCM 50 based on information related to the position detected by the position detector 60. The position detector 60 has a scale portion 60a disposed along the optical axis OA direction and a sensor portion 60b disposed opposite to the scale portion 60a. The lens holding frame F3 holds the scale portion 60a, the second fixing cylinder 20 holds the sensor portion 60b, and the scale portion 60a is disposed in the lens holding frame F3 at a position corresponding to the node of the vibration mode with the smallest inherent vibration frequency among the multiple vibration modes generated by the lens group L3 and the lens holding frame F3. Therefore, even if the lens group L3 and the lens holding frame F3 vibrate in the vibration mode with the smallest natural vibration frequency, the position of the lens group L3 and the lens holding frame F3 remains almost unchanged at the location where the position detector 60 is located. Thus, the impact of the vibration mode with the smallest natural vibration frequency on the detection accuracy of the position detector 60 can be reduced. This improves the position detection accuracy of the position detector 60, thereby improving the accuracy of the focusing action based on the detection result of the position detector 60 (focusing accuracy). Furthermore, since the control frequency can be determined based on the natural frequency of the vibration mode with the second smallest natural vibration frequency, a higher control frequency can be set, improving the responsiveness of the VCM50's drive control while reducing the impact of the vibration mode with the second smallest natural vibration frequency on control.

[0052] Furthermore, in this embodiment, on a plane orthogonal to the optical axis OA, the angle α formed by the straight line A connecting the center of the guide rod 22 to the optical axis OA and the straight line B connecting the scale portion 60a to the optical axis OA is approximately 90°. When the total mass of the lens group L3 and the lens holding frame F3 is 55 grams or more, the nodal part of mode 2 is located on the straight line B, which is approximately orthogonal to the straight line A. Therefore, by positioning the scale portion 60a on the straight line B, the impact of the vibration of mode 2 on the detection accuracy of the position detector 60 can be reduced, thereby improving focusing accuracy.

[0053] Furthermore, in this embodiment, VCM50 includes a first VCM50A and a second VCM50B. The first VCM50A is positioned near the guide rod 22 compared to the second VCM50B. The position detector 60 is positioned circumferentially in the smaller region between the guide rod 22 and the second VCM50B, within a circle centered on the optical axis OA. Although the guide rod 22 is positioned near the first VCM50A, resulting in less space, the structure of this embodiment allows for efficient use of the space between the guide rod 22 and the second VCM50B.

[0054] Furthermore, in this embodiment, the lens barrel 100 includes a first flexible substrate FPC1 connected to the VCM 50 and a second flexible substrate FPC2 connected to the position detector 60. The first flexible substrate FPC1 and the second flexible substrate FPC2 are disposed in the smaller region of the area between the guide rod 22 and the second VCM 50B along the circumferential direction of a circle centered on the optical axis OA. Because the first flexible substrate FPC1 and the second flexible substrate FPC2 are disposed together, wiring to the main substrate 120 can be performed simply.

[0055] Furthermore, in the above embodiment, one position detector 60 is provided, but two position detectors 60 can also be provided. In this case, such as Figure 8 As shown in (A), the two position detectors 60 only need to be positioned opposite each other, sandwiching the optical axis OA, at the locations that become nodal points in Mode 2, on a plane orthogonal to the optical axis OA. That is, the position detectors 60 only need to be positioned at two points on a plane perpendicular to the optical axis OA, where a line B, approximately orthogonal to the line A connecting the axis center of the guide rod 22 to the optical axis OA, intersects with a circle centered on the optical axis OA. By averaging the position information detected by the two position detectors 60, the position detection accuracy of the lens holding frame F3 can be further improved.

[0056] Furthermore, in the above embodiment, the position detector 60 is arranged circumferentially between the guide rod 22 and the second VCM50B in a circle centered on the optical axis OA, but for example, it can also be arranged as follows: Figure 8 As shown in (B), it is positioned between the first VCM50A and the rotation limit rod 23. In this case, the position of the scale portion 60a of the position detector 60 is also the position of the node portion in mode 2.

[0057] Furthermore, in the above embodiment, an example of an optical ABS position detector 60 that detects the absolute position of the lens holding frame F3 was described. However, the position detector 60 could also be a position detector that detects the relative position of the lens holding frame F3. Additionally, the position detector 60 could be non-optical, but rather, for example, magnetic or photoelectric.

[0058] Furthermore, in the above embodiment, the scale portion 60a of the position detector 60 is mounted on the lens holding frame F3, and the sensor portion 60b is mounted on the second fixed cylinder 20, but this is not a limitation. Alternatively, the scale portion 60a may be disposed on the second fixed cylinder 20, and the sensor portion 60b may be disposed on the lens holding frame F3.

[0059] Furthermore, in the above embodiment, the lens holding frame F3 is guided in the optical axis OA direction by the guide rod 22, but it is not limited to this. For example, the lens holding frame F3 can also be guided in the optical axis OA direction by a straight groove.

[0060] Furthermore, in the above embodiment, the second fixed cylinder 20 that houses the lens holding frame F3 can also be a movable cylinder capable of linear movement in the optical axis OA direction. Additionally, in the above embodiment, the lens barrel 100 can be either a fixed-focus lens or a zoom lens.

[0061] The above-described embodiments are suitable examples. However, they are not limited thereto, and various modifications can be made without departing from the main idea, and arbitrary combinations of structural elements are also possible.

[0062] Label Explanation

[0063] 1 camera

[0064] 20 Second fixed cylinder

[0065] 22 Guide rods

[0066] 23 Rotation limiting bar

[0067] 36 Extension

[0068] 50A 1st VCM

[0069] 50B 2nd VCM

[0070] 60 position detector

[0071] 60a scale section

[0072] 60b Sensor Section

[0073] 100mm lens barrel

[0074] 101 camera body

[0075] F3 Lens Holding Frame

[0076] L3 lens group

Claims

1. A lens barrel, comprising: Lens holding frame, to hold the lens; The outer cylinder is disposed on the outside of the lens holding frame; The guide section guides the lens holding frame in the optical axis direction; The drive unit moves the lens holding frame in the direction of the optical axis; A detection unit, comprising a scale section and a sensor section, detects the position of the lens holding frame along the optical axis direction. The scale section is arranged along the optical axis direction, and the sensor section is arranged opposite to the scale section. The control unit controls the drive unit based on information related to the position detected by the detection unit. The lens retaining frame holds one of the scale section and the sensor section. The outer cylinder holds the scale section and the sensor section together. The one party is positioned in the lens holding frame at a node of the vibration mode with the lowest inherent vibration frequency among the multiple vibration modes generated by the lens and the lens holding frame.

2. The lens barrel according to claim 1, wherein, On a plane orthogonal to the optical axis, the angle formed by the first straight line connecting the center of the guide portion to the optical axis and the second straight line connecting the guide portion to the optical axis is approximately 90 degrees.

3. The lens barrel according to claim 1 or 2, wherein, The total mass ratio of the lens and the lens retaining frame is 55 grams.

4. The lens barrel according to any one of claims 1 to 3, wherein, The driving unit includes a first driving unit and a second driving unit. The first driving unit is positioned near the guide unit compared to the second driving unit. The detection unit is circumferentially disposed in the smaller region of the area between the guide unit and the second drive unit.

5. The lens barrel according to claim 4, wherein, The first driving unit, the guiding unit, the detection unit, and the second driving unit are arranged sequentially in the circumferential direction.

6. The lens barrel according to claim 4 or 5, wherein, The lens barrel includes: A first flexible substrate is connected to the driving unit; and The second flexible substrate is connected to the detection unit. In the circumferential direction, the first flexible substrate and the second flexible substrate are disposed in the smaller region of the region between the guide portion and the second driving portion.

7. The lens barrel according to any one of claims 1 to 6, wherein, The detection unit includes a first detection unit and a second detection unit. On a plane orthogonal to the optical axis, the first detection unit and the second detection unit are positioned opposite each other, sandwiching the optical axis, at positions corresponding to the nodes of the vibration mode with the lowest natural vibration frequency. The control unit controls the drive unit based on information related to the position detected by the first detection unit and information related to the position detected by the second detection unit.

8. The lens barrel according to any one of claims 1 to 6, wherein, The lens holding frame has an extension that extends in the direction of the optical axis. On a plane orthogonal to the optical axis, the detection part and the extension part are positioned opposite each other, sandwiching the optical axis.

9. A shooting device, comprising: The lens barrel according to any one of claims 1 to 8; and Imaging components.

Images