Operation device, lens device, and imaging device

Abstract

An operating device, a lens device, and an imaging device are provided that allow easy recognition of the operating state of an operating member. [Solution] The operating device comprises a base member, a ring-shaped operating member provided on the base member and rotatable around an axis, and a click mechanism that imparts a first click feeling at a first position, a second click feeling weaker than the first click feeling at a second position, and a third click feeling weaker than the second click feeling at a third position in response to rotation of the operating member, and multiple click mechanisms are arranged.

Description

[Technical Field]

[0001] The present invention relates to an operating device, a lens device, and an imaging device, and more particularly to an operating device, a lens device, and an imaging device that have a click mechanism. [Background technology]

[0002] Patent document 1 describes that an operating ring for aperture operation provided on a lens barrel provides a different clicking sensation when aligned with a first rotation position corresponding to the main series and when aligned with a second rotation position corresponding to the sub-series.

[0003] Patent Document 2 describes that an operating ring provided on a lens barrel is provided with a plurality of click mechanisms, which are operated in sequence to increase the number of clicks.

[0004] Patent Document 3 describes that all click stop operations within the same functional range have the same weight, and the click stop operation is made heavier only when moving to a different functional position. [Prior art documents] [Patent documents]

[0005] [Patent Document 1] International Publication No. 2017 / 047592 [Patent Document 2] Japanese Patent Publication No. 2020-181021 [Patent Document 3] Jikko No. 57-707 Summary of the Invention

[0006] One embodiment of the technique of the present disclosure provides an operation device, a lens device, and an imaging device that allow easy recognition of the operation state of an operation member. [Means for solving the problem]

[0007] [1] An operating device comprising: a base member; an annular operating member provided on the base member and rotatable around an axis; and a click mechanism that, in response to rotation of the operating member, imparts a first click sensation at a first position, a second click sensation weaker than the first click sensation at a second position, and a third click sensation weaker than the second click sensation at a third position, wherein multiple click mechanisms are arranged.

[0008] [2] The operating device according to [1], wherein multiple click mechanisms are arranged opposite each other with respect to the axis.

[0009] [3] The click mechanism comprises an engagement member provided on one of the base member and the operating member and biased toward the other, a first engagement portion provided on the other of the base member and the operating member and with which the engagement member engages when the operating member is positioned at a first position, a second engagement portion provided on the other of the base member and the operating member and with which the engagement member engages when the operating member is positioned at a second position, and a third engagement portion provided on the other of the base member and the operating member and with which the engagement member engages when the operating member is positioned at a third position, and the first engagement portion, the second engagement portion, and the third engagement portion have different shapes.

[0010] [4] The operating device according to [3], wherein at least a portion of the engaging member is configured in a spherical or arc shape, and the first engaging portion, the second engaging portion, and the third engaging portion are configured as recesses.

[0011] [5] The operating device according to [4], wherein the recess has a tapered inner wall surface, and the angles formed by the inner wall surfaces are different between the first engagement portion, the second engagement portion, and the third engagement portion.

[0012] [6] The operating device according to [5], wherein the angle at the first engagement portion is α, the angle at the second engagement portion is β, and the angle at the third engagement portion is γ, the relationship being α<β<γ.

[0013] [7] The operating device according to [6], wherein the difference between the angle α and the angle β is different from the difference between the angle β and the angle γ.

[0014] [8] The operating device according to [7], wherein the difference between the angle α and the angle β is greater than the difference between the angle β and the angle γ.

[0015] [9] The operating device according to any one of [6] to [8], wherein the angles α, β, and γ are obtuse angles.

[0016]

[10] An operating device according to any one of [3] to [9], wherein the engaging member engages with the first engaging portion, the second engaging portion, and the third engaging portion at the same position in the biasing direction.

[0017]

[11] An operating device according to any one of [3] to

[10] , wherein the outer diameter of the spherical or arc-shaped portion is less than 1.5 mm.

[0018]

[12] An operating device according to any one of [3] to

[11] , wherein the operating member has a grip portion, and the grip portion is positioned at a rotation angle of less than 30° from the position of the first engagement portion.

[0019]

[13] An operating device according to any one of [1] to

[12] , having a plurality of second positions and a plurality of third positions within a predetermined rotation angle range, and having a first position outside the range.

[0020]

[14] An operating device according to any one of [1] to

[13] , having a plurality of second positions within a range of a predetermined rotation angle and having a third position between adjacent second positions.

[0021]

[15] The operating device according to

[14] , having a plurality of third positions between adjacent second positions.

[0022]

[16] A lens device equipped with an operating device according to any one of [1] to

[15] , wherein the base member constitutes a fixed portion of the lens barrel, and the operating member constitutes an operating ring provided on the outer periphery of the lens barrel.

[0023]

[17] An imaging device comprising the lens device according to

[16] and a main body that captures an image formed by the lens device. [Brief explanation of the drawings]

[0024] [Figure 1] FIG. 1 is a front view showing an embodiment of an imaging device; [Figure 2] FIG. 2 is a rear view of the imaging device shown in FIG. 1. [Figure 3] FIG. 2 is a top view of the imaging device shown in FIG. [Figure 4] A diagram showing the schematic configuration of a click mechanism provided on the aperture ring. [Figure 5] A diagram showing the schematic configuration of a click mechanism provided on the aperture ring. [Figure 6] Enlarged cross-sectional view of part of the lens barrel including the aperture ring [Figure 7] Development of the grooves on the aperture ring [Figure 8] Comparison of groove shapes at each position [Figure 9] Diagram explaining the force acting on the aperture ring via the ball [Figure 10] FIG. 10 is a diagram showing another example of an engaging member; [Figure 11] FIG. 10 is a diagram showing another example of the engagement portion; [Figure 12] FIG. 10 is a diagram showing another example of the engagement portion; [Figure 13] Enlarged view of a portion of the aperture ring shown in Figure 12 DETAILED DESCRIPTION OF THE INVENTION

[0025] Preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0026] Here, an example will be described in which the present invention is applied to an operating device that operates the aperture of a lens in an imaging device. In particular, an example will be described in which the present invention is applied to an operating device that operates the aperture using an operating ring provided on the lens. The operating ring provided on the lens is a link-shaped operating member that is provided on the outer periphery of the lens barrel portion and is operated to rotate around an axis. The operating ring used to operate the aperture is specifically called an "aperture ring," and is distinguished from other operating rings, such as an operating ring used for focus operation (focus ring) and an operating ring used for zoom operation (zoom ring).

[0027] The aperture control device is used to set the aperture value (F-number). Specifically, the operation involves selecting one from a number of pre-prepared aperture values. In the case of an aperture ring, selectable aperture values ​​are determined for each rotation position, and the aperture value to be set can be changed by switching the rotation position.

[0028] In addition, the aperture operating device also performs an operation to switch the aperture operation mode. That is, an operation to switch between a mode in which the aperture value is automatically set (auto mode) and a mode in which the aperture value is manually set (manual mode) is performed. In the case of an aperture ring, when the aperture ring is rotated to a predetermined rotation position, the auto mode is set, and when the aperture ring is rotated to another rotation position, i.e., a position where the aperture value is selected, the manual mode is set.

[0029] In this way, in the case of the aperture ring, the operation mode of the aperture is switched depending on the rotation position, and the aperture value that is set is also switched.

[0030] One embodiment of the technique of the present disclosure provides an operation device that makes it easy to grasp the operation state of an operation member, and a lens device and an imaging device that include the operation device.

[0031] [Imaging device] Fig. 1 is a front view showing an embodiment of an imaging device to which the present invention is applied, Fig. 2 is a rear view of the imaging device shown in Fig. 1, and Fig. 3 is a top view of the imaging device shown in Fig. 1.

[0032] The imaging device shown in FIGS. 1 to 3 is a digital camera with an integrated lens. That is, it is a digital camera (a so-called compact digital camera) in which the lens is integrally assembled into the body and cannot be replaced. In particular, the imaging device of this embodiment is a digital camera (a so-called medium-format digital camera) equipped with a large image sensor (for example, approximately 44 mm x approximately 33 mm). Furthermore, the imaging device of this embodiment is a digital camera that uses a so-called single-focus lens (a lens with a fixed focal length). Hereinafter, in this embodiment, the imaging device will be referred to as a "camera."

[0033] As shown in FIGS. 1 to 3, camera 1 of this embodiment is mainly composed of main body 2 and lens 3. As described above, camera 1 is an integrated lens type. Lens 3 is provided integrally with main body 2. In this embodiment, lens 3 is an example of a lens device. Furthermore, main body 2 is an example of a main body.

[0034] An image sensor (not shown) is built into the main body 2. The image sensor is arranged on the optical axis of the lens 3. An image of a subject formed by the lens 3 is captured by the image sensor and recorded as digital data in storage. The storage is configured, for example, with built-in memory and / or external memory (so-called memory card).

[0035] The main body 2 is provided with various operation members and various interfaces, as well as a finder 4, a monitor 5, a battery loading section (not shown), and the like.

[0036] The operating members include a power lever 10, a shutter button 11, an exposure compensation dial 12, a shutter speed dial 13, a command dial 14, a DISP / BACK button 15, a playback button 16, a MENU / OK button 17, a focus lever 18, a function button 19, and the like.

[0037] The interface includes a power terminal, a USB (Universal Serial Bus) terminal, a memory card slot, etc. (none of which are shown).

[0038] The finder 4 is configured, for example, as an electronic viewfinder (EVF).

[0039] The monitor 5 is configured, for example, by a touch panel type liquid crystal display.

[0040] These features are common to most digital cameras, so a detailed description will be omitted.

[0041] The lens unit 3 is provided on the front surface of the main body unit 2. As described above, the lens unit 3 is configured with a so-called fixed focal length lens. As an example, the focal length is f=50 mm (equivalent to 40 mm in the 35 mm format).

[0042] 3, the lens unit 3 is provided with a focus ring 30 and an aperture ring 40 on the outer periphery of the lens barrel 20. In this embodiment, the focus ring 30 is disposed on the object side (front side), and the aperture ring 40 is disposed on the image side (rear side).

[0043] The focus ring 30 is an operating member used for focus adjustment. The focus ring 30 is provided so that it can rotate forward and backward around the lens barrel 20. Rotating the focus ring 30 clockwise adjusts the focus to the long distance side, and rotating it counterclockwise adjusts the focus to the close distance side. Note that the direction of rotation and the direction of focusing can be reversed by setting. The focus moves by a variable amount depending on the rotation speed of the focus ring 30. Note that the focus can also be configured to move linearly with the amount of rotation, regardless of the rotation speed, by setting.

[0044] Focus ring 30 has an annular shape and is disposed with a predetermined width in the optical axis direction on the outer periphery of lens barrel 20. The outer periphery of focus ring 30 is knurled to provide a regular pattern of irregularities.

[0045] The focus ring 30 can also be assigned other functions through settings. For example, a digital teleconverter function and a white balance function can be selectively assigned. The digital teleconverter function is a function that captures enlarged images with different focal lengths through image processing. The magnification is selected by rotating the focus ring 30. In addition, the focus ring 30 can be configured to automatically switch functions depending on the mode of the camera 1.

[0046] The aperture ring 40 is an operating member used to adjust the aperture. The aperture ring 40 is provided so as to be rotatable forward and backward around the lens barrel 20 within a predetermined angular range.

[0047] Manual aperture adjustment is enabled only when a predetermined shooting mode is set. As an example, the camera 1 of this embodiment is provided with four shooting modes: program shooting mode, shutter speed priority shooting mode, aperture priority shooting mode, and manual shooting mode, and manual aperture adjustment is enabled only when the camera is set to aperture priority shooting mode or manual shooting mode.

[0048] The program shooting mode is a mode in which the camera 1 automatically sets the shutter speed and aperture value for shooting. In the program shooting mode, the combination of shutter speed and aperture value can be changed while maintaining the same exposure value by operating the command dial 14 (so-called program shift). When setting the program shooting mode, the shutter speed dial 13 is set to position A (auto position) and the aperture ring 40 is set to position A (auto position).

[0049] The shutter speed priority shooting mode is a mode in which the camera 1 automatically determines the aperture value according to the shutter speed set by the user. When the shutter speed priority shooting mode is set, the aperture ring 40 is set to position A. The shutter speed is set using the shutter speed dial 13.

[0050] Aperture priority shooting mode is a mode in which the camera 1 automatically determines the shutter speed according to the aperture value set by the user. To set the aperture priority shooting mode, the shutter speed dial 13 is set to position A. The aperture value is set using the aperture ring 40.

[0051] The manual shooting mode is a mode in which the user sets the shutter speed and aperture value. The shutter speed is set using the shutter speed dial 13, and the aperture value is set using the aperture ring 40.

[0052] As an example, camera 1 of this embodiment is configured to allow aperture value setting in 1 / 3-stop increments, with F4 being the maximum aperture and F22 being the minimum aperture. Therefore, the settable aperture values, from maximum aperture, are "F4," "F4.5," "F5," "F5.6," "F6.3," "F7.1," "F8," "F9," "F10," "F11," "F13," "F14," "F16," "F18," "F20," and "F22." Of these, "F4," "F5.6," "F8," "F11," "F16," and "F22" are aperture values ​​that are changed by one stop each. The aperture values ​​that are changed by one stop each are designated as the aperture values ​​of the main series, and the others are designated as the aperture values ​​of the sub series. Therefore, in this embodiment, "F4", "F5.6", "F8", "F11", "F16", and "F22" are the aperture values ​​of the main series, and "F4.5", "F5", "F6.3", "F7.1", "F9", "F10", "F13", "F14", "F18", and "F20" are the aperture values ​​of the secondary series. In this embodiment, the configuration is such that two aperture values ​​of the secondary series are placed between adjacent aperture values ​​of the main series.

[0053] As shown in FIG. 3, for the aperture values ​​of the main series ("F4", "F5.6", "F8", "F11", "F16", and "F22"), the positions to be aligned with the index 21 provided on the outer periphery of the lens barrel 20 are marked on the outer periphery of the aperture ring 40. FIG. 3 shows the state when the aperture value is set to F8. In this case, as shown in FIG. 3, the position of the F8 marking is aligned with the index 21.

[0054] Index 21 is provided on the outer periphery of fixed ring 22. Fixed ring 22 is an immovable member fixed to lens barrel 20. In this embodiment, fixed ring 22 is disposed between focus ring 30 and aperture ring 40. Also, in this embodiment, index 21 is disposed at a position vertically above the optical axis in a cross section perpendicular to the optical axis.

[0055] The aperture ring 40 has an annular aperture ring main body 41. The aperture ring main body 41 is arranged on the outer periphery of the lens barrel 20 with a predetermined width in the optical axis direction. As shown in FIGS. 1 and 3, the aperture ring 40 has a grip portion 42 on the outer periphery of the aperture ring main body 41. In this embodiment, the grip portion 42 is composed of a pair of protrusions 42A. The pair of protrusions 42A have a cylindrical shape and are arranged symmetrically with respect to the optical axis. The end face (top) of the protrusion 42A is knurled to provide a regular pattern of unevenness (see FIG. 5). The user holds the aperture ring 40 by pinching the grip portion 42, which is composed of the pair of protrusions 42A, between the thumb and index finger (or middle finger) and rotates the aperture ring 40.

[0056] The aperture ring 40 is equipped with a click mechanism that provides a clicking sensation when rotated. In other words, it is configured to click-stop at each aperture value position (including position A) when rotated. Click-stop means that the ring stops with a clicking sensation.

[0057] In this embodiment, a click feeling is imparted to the rotation of the aperture ring 40 for all settable aperture value positions (including the auto position). That is, the aperture ring 40 is configured to click-stop at all settable aperture value positions. In particular, in this embodiment, a different click feeling is imparted depending on the rotation position. Specifically, a different click feeling is imparted to position A, aperture value positions in the main series, and aperture value positions in the sub series. The click feeling imparted is strongest at position A, followed by aperture value positions in the main series, and weakest at aperture value positions in the sub series.

[0058] The strength of the click feeling correlates with the rotational force (torque) required to switch the position. Specifically, the greater the force required to switch the position, the stronger the click feeling. In other words, the stronger the click feeling, the greater the force required to switch the position. For example, if the force required to switch from position P2 to position P1 is greater than the force required to switch from position P1 to position P2, the click feeling will be stronger at position P1. Therefore, the strength of the click feeling at each position is essentially synonymous with the magnitude of the rotational force (torque) required to switch the position.

[0059] The click mechanism provided in the aperture ring 40 will now be described.

[0060] [Aperture ring click mechanism] The click mechanism of aperture ring 40 of this embodiment engages a biased ball (hard sphere) with a groove provided corresponding to each aperture value position (including position A), creating a clicking sensation when rotating to each aperture value position. In particular, aperture ring 40 of this embodiment uses multiple click mechanisms consisting of these grooves and balls to create the desired clicking sensation.

[0061] Figures 4 and 5 are diagrams showing the schematic configuration of the click mechanism provided on the aperture ring. Figure 4 corresponds to a view (rear view) of the aperture ring including the ball as seen from the rear side (the side of the main body 2 of the camera 1). Figure 5 corresponds to a perspective view of the aperture ring including the ball as seen from the rear side.

[0062] 4, aperture ring 40 of the present embodiment is provided with click mechanisms 50 at two locations in the circumferential direction. That is, aperture ring 40 of the present embodiment has two click mechanisms 50 that impart a clicking sensation to rotation operation.

[0063] The two click mechanisms 50 have the same configuration and are positioned offset in the circumferential direction. As an example, in this embodiment, the two click mechanisms 50 are positioned opposite the rotation axis (=optical axis) O of the aperture ring 40. By arranging them in this manner, the positions to which load is applied can be evenly distributed, making the rotation operation smoother. Also, a well-balanced click feeling can be imparted.

[0064] When the aperture ring 40 is rotated, the balls of the two click mechanisms 50 engage with grooves at the same position (grooves corresponding to the same aperture value) at the same timing, generating the same amount of clicking sensation at the same timing.

[0065] As described above, click mechanism 50 is composed of biased ball 51 and groove Gn (n=0, 1, ..., 16) with which ball 51 engages. In the present embodiment, ball 51 is provided on the fixed portion side of lens barrel 20, and groove Gn is provided on the aperture ring 40 side. Ball 51 is an example of an engaging member, and groove Gn is an example of an engaging portion.

[0066] FIG. 6 is an enlarged cross-sectional view of a portion of the lens barrel including the aperture ring.

[0067] 6, ball 51 is provided on fixed barrel 23 that constitutes lens barrel 20. Fixed barrel 23 is a member that is fixed to main body 2 of camera 1. In this embodiment, fixed barrel 23 is an example of a fixed portion and a base member.

[0068] The fixed barrel 23 is provided with a ball holding hole 24 that holds a ball 51. The ball holding hole 24 is configured as a bottomed hole that opens forward (toward the object side) and is arranged along the optical axis. A spring 52 is arranged in the ball holding hole 24. The spring 52 is configured as, for example, a compression coil spring and is arranged along the optical axis. The ball 51 is urged forward in the optical axis direction by the spring 52, and is arranged in the ball holding hole 24 with a portion of it protruding from the opening of the ball holding hole 24. Therefore, the ball 51 is held within the ball holding hole 24 so as to be movable along the optical axis, and so as to be able to appear and disappear from the opening.

[0069] The grooves Gn are provided on an end face 44 of a step 43 provided on the inner periphery of the base end side (the body 2 side of the camera 1) of the aperture ring body 41. The end face 44 of the step 43 is formed by a surface perpendicular to the optical axis. The grooves Gn are arranged corresponding to the positions of each aperture value (including position A).

[0070] In the present embodiment, aperture ring 40 has two separate positions: one for setting the aperture value, and the other for switching the aperture mode to auto mode (a mode in which the aperture value is automatically set) (position A). In other words, the aperture value is set within a predetermined rotation angle range, and switching to auto mode is performed at a position outside that range.

[0071] FIG. 7 is a development view of the grooves provided in the aperture ring.

[0072] The groove with which the ball 51 engages at the position where the aperture mode is switched to auto mode (position A) is designated as groove G0. The groove with which the ball 51 engages at the position where the aperture value is set to F22 is designated as groove G1, the groove with which the ball 51 engages at the position where the aperture value is set to F20 is designated as groove G2, the groove with which the ball 51 engages at the position where the aperture value is set to F18 is designated as groove G3, the groove with which the ball 51 engages at the position where the aperture value is set to F16 is designated as groove G4, the groove with which the ball 51 engages at the position where the aperture value is set to F14 is designated as groove G5, the groove with which the ball 51 engages at the position where the aperture value is set to F13 is designated as groove G6, the groove with which the ball 51 engages at the position where the aperture value is set to F11 is designated as groove G7, the groove with which the ball 51 engages at the position where the aperture value is set to F10 is designated as groove G8, and the groove with which the ball 51 engages at the position where the aperture value is set to F11 is designated as groove G9. The groove with which the ball 51 engages when the aperture value is set to F9 is groove G9, the groove with which the ball 51 engages when the aperture value is set to F8 is groove G10, the groove with which the ball 51 engages when the aperture value is set to F7.1 is groove G11, the groove with which the ball 51 engages when the aperture value is set to F6.3 is groove G12, the groove with which the ball 51 engages when the aperture value is set to F5.6 is groove G13, the groove with which the ball 51 engages when the aperture value is set to F5 is groove G14, the groove with which the ball 51 engages when the aperture value is set to F4.5 is groove G15, and the groove with which the ball 51 engages when the aperture value is set to F4 is groove G16.

[0073] Grooves G1 to G16, with which balls 51 engage at positions for setting the aperture value, are arranged at a constant pitch around the circumference. That is, they are arranged at intervals of a constant rotation angle θ1. The range of rotation angle θ2 from groove G1 to groove G16 is the range of rotation angles for setting the aperture value (aperture value setting range).

[0074] Groove G0, which engages with ball 51 at position A, is located at a position rotated a predetermined angle from groove G1 in the direction opposite to the aperture setting direction (the direction of rotation toward groove G16). The rotation angle θ3 from groove G1 to groove G0 is set to be larger than the rotation angle θ1 from groove G1 to groove G2. In other words, the amount of rotation required to switch from the F22 position to auto mode is set to be larger than the amount of rotation required to change the aperture value by 1 / 3 stops. This makes it easier to grasp the switch from auto mode to manual mode and vice versa.

[0075] As shown in Fig. 4, each of the grooves G0 to G16 is configured as a groove extending in the radial direction of the aperture ring 40 (grooves extending radially). Each of the grooves G0 to G16 is configured as a so-called tapered groove. That is, each of the grooves is configured as a groove that tapers toward the bottom (groove that widens in width from the bottom toward the opening). In particular, in this embodiment, each of the grooves is configured as a groove with a V-shaped cross section (so-called V-groove).

[0076] The range of rotation angle θ4 from position A (position of groove G0) to the position of minimum aperture value (F4) (position of groove G16) is the movable range of aperture ring 40, that is, the range of angles within which it can rotate.

[0077] As described above, the aperture ring 40 of this embodiment provides different click sensations depending on the rotational position. Specifically, different click sensations are provided at position A, the positions of the main series of aperture values ​​("F4", "F5.6", "F8", "F11", "F16", and "F22"), and the positions of the secondary series of aperture values ​​("F4.5", "F5", "F6.3", "F7.1", "F9", "F10", "F13", "F14", "F18", and "F20"). The click sensations provided become weaker in the order of position A, the positions of the main series of aperture values, and the positions of the secondary series of aperture values.

[0078] In this embodiment, different click sensations are realized by making the shapes (cross-sectional shapes) of the grooves G0 to G16 different for the A position, the position of the main series aperture value, and the position of the sub series aperture value.

[0079] Figure 8 is a diagram comparing the shapes of the grooves at each position. Figure 8 is a diagram showing the grooves at each position superimposed.

[0080] In FIG. 8 , the groove designated by the symbol GH indicates the groove with which the ball 51 engages when the aperture ring 40 is set to position A. That is, groove GH indicates the groove corresponding to position A. Furthermore, grooves designated by the symbol GM indicate the groove with which the ball 51 engages when the aperture ring 40 is set to a position for a main-series aperture value. That is, groove GM indicates the groove corresponding to a main-series aperture value. Furthermore, grooves designated by the symbol GL are the grooves with which the ball 51 engages when the aperture ring 40 is set to a position for a secondary-series aperture value. That is, groove GL indicates the groove corresponding to a secondary-series aperture value. Hereinafter, as necessary, groove GH will be referred to as the "groove GH for position A," groove GM as the "groove GM for main-series aperture values," and groove GL as the "groove GL for secondary-series aperture values" to distinguish between the different grooves. Groove 0 corresponds to groove GH for position A. Groove G1, G4, G7, G10, G13, and G16 correspond to grooves GM for main-series aperture values. The sub-series aperture value grooves GL include grooves G2, G3, G5, G6, G8, G9, G11, G12, G14, and G15.

[0081] As shown in FIG. 8, in this embodiment, different click sensations are realized by changing the angles of the grooves GH, GM, and GL at each position, which are V-shaped grooves.

[0082] Here, the "groove angle" refers to the angle formed by the inner wall surfaces on both sides of each V-shaped groove (tapered groove), i.e., the angle formed by the inner wall surfaces on both sides that are inclined surfaces (tapered surfaces).

[0083] In this embodiment, the grooves GH, GM, and GL (groove GH = groove G0, groove GM = grooves G1, G4, G7, G10, G13, G16, groove GL = grooves G2, G3, G5, G6, G8, G9, G11, G12, G14, G15) are symmetrical in a cross section perpendicular to the groove extension direction (= radial direction of the aperture ring). In other words, the inner wall surfaces on both sides have the same inclination angle.

[0084] Of the grooves GH, GM, and GL, the angle of groove GH at position A is the smallest, and the angle of groove GL for the secondary series of aperture values ​​is the largest. In other words, if the angle of groove GH at position A is α, the angle of groove GM for the primary series of aperture values ​​is β, and the angle of groove GL for the secondary series of aperture values ​​is γ, then the relationship α<β<γ holds.

[0085] As mentioned above, the click feeling is strongest at position A and weakest at the aperture value position of the secondary series. Therefore, the smaller the groove angle, the stronger the click feeling (= the larger the groove angle, the weaker the click feeling).

[0086] Here, if the click feeling at position A is "high," the click feeling at the aperture value position of the main series is "middle," and the click feeling at the aperture value position of the sub-series is "low," then in this embodiment, the change in the strength of the click feeling is nonlinear. That is, the change in the click feeling between a "weak" click feeling and a "medium" click feeling is different from the change in the click feeling between a "medium" click feeling and a "strong" click feeling. Specifically, the change in the click feeling between a "medium" click feeling and a "strong" click feeling is greater than the change in the click feeling between a "weak" click feeling and a "medium" click feeling. In this way, by making the change in the three levels of click feeling nonlinear, the strength of the click feeling can be more easily perceived. This makes it easier to grasp the operating state of the aperture ring 40. That is, it becomes easier to grasp the position to which the aperture ring 40 is set.

[0087] The strength of the click feeling is adjusted by changing the angles α, β, and γ of the grooves GH, GM, and GL. That is, this is achieved by setting the difference [β-α] between the angles α and β to be different from the difference [γ-β] between the angles β and γ ([β-α] ≠ [γ-β]). In this embodiment, the difference [β-α] between the angles α and β is set to be greater than the difference [γ-β] between the angles β and γ ([β-α] > [γ-β]). This results in a greater change in the click feeling between a "medium" and a "strong" click feeling than between a "weak" and a "medium" click feeling.

[0088] As an example, in this embodiment, the angle α of the groove GH at position A, which corresponds to a "strong" click feeling, is set to 95°, the angle β of the groove GM at the aperture value of the main series, which corresponds to a "medium" click feeling, is set to 110°, and the angle γ of the groove GL at the aperture value of the sub-series, which corresponds to a "weak" click feeling, is set to 123°.

[0089] In this way, it is preferable to set the angles α, β, and γ of each groove GH, GM, and GL within the range of obtuse angles (90°<α, β, γ<180°). This improves the retention of the aperture ring 40 at each position, thereby reducing the risk of unintentional slippage.

[0090] In this embodiment, as shown in Fig. 8, the ball 51 engages with the grooves GH, GM, and GL at each position at the same position in the optical axis direction (= the biasing direction of the ball 51). That is, the ball 51 protrudes from the ball retaining hole 24 by the same protrusion amount for each of the grooves GH, GM, and GL, and engages with the grooves GH, GM, and GL. In other words, the grooves GH, GM, and GL are formed so that the ball 51 engages with them at the same position in the optical axis direction. The width (opening width) and depth of the grooves GH, GM, and GL are set so that the ball 51 engages with them at the same position in the optical axis direction while satisfying the angle condition.

[0091] In this embodiment, position A is an example of a first position, the position of the aperture value of the main series is an example of a second position, and the position of the aperture value of the sub series is an example of a third position.

[0092] In this embodiment, the groove GH (groove G0) corresponding to position A is an example of a first engagement portion. The grooves GM (grooves G1, G4, G7, G10, G13, G16) corresponding to the positions of the aperture values ​​of the main series are an example of a second engagement portion. The grooves GL (grooves G2, G3, G5, G6, G8, G9, G11, G12, G14, G15) corresponding to the positions of the aperture values ​​of the sub series are an example of a third engagement portion.

[0093] In this embodiment, the click feeling provided at position A (a "strong click feeling") is an example of a first click feeling. The click feeling provided at the aperture value position of the main series (a "medium click feeling") is an example of a second click feeling. The click feeling provided at the aperture value position of the sub series (a "weak click feeling") is an example of a third click feeling.

[0094] As described above, the strength of the click feeling correlates with the rotational force (torque) required for the position switching operation, and the greater the force required for the operation, the stronger the click feeling.

[0095] The force required for the position switching operation correlates with the force acting on the aperture ring 40 via the ball 51.

[0096] FIG. 9 is a diagram for explaining the force acting on the aperture ring via the ball. FIG. 9(A) is an explanatory diagram of the force acting on the aperture ring 40 at position A. FIG. 9(B) is an explanatory diagram of the force acting on the aperture ring 40 at the position of the main series aperture value. FIG. 9(C) is an explanatory diagram of the force acting on the aperture ring 40 at the position of the sub-series aperture value. In FIG. 9, the arrow z indicates the direction of the optical axis. The arrow t indicates the direction of the tangent at the positions of the respective grooves GH, GM, GL.

[0097] As described above, in the present embodiment, the balls 51 are located at the same position in the optical axis direction (z direction) and engage with the respective grooves GH, GM, GL. In this case, the force N in the optical axis direction acting on the aperture ring 40 via the balls 51 is the same.

[0098] The force required for the position switching operation correlates with the tangential force acting on the aperture ring 40 via the ball 51. That is, the greater the force acting in the tangential direction, the greater the force required for the position switching operation.

[0099] The force acting in the tangential direction increases as the angle of the groove decreases. The angles α, β, γ of the respective grooves GH, GM, GL are such that the angle α of the groove GH at position A is the smallest, and the angle γ of the groove GL at the sub-series aperture value is the largest. Therefore, the force acting in the tangential direction is the largest when the ball 51 engages with the groove GH at position A. As shown in FIG. 9, when the ball 51 engages with the groove GH at position A, the tangential force acting on the aperture ring 40 is FH, when it engages with the groove GM at the main series aperture value, the tangential force acting on the aperture ring 40 is FM, and when it engages with the groove GL at the sub-series aperture value, the tangential force acting on the aperture ring 40 is FL. Then, the tangential forces FL, FM, FH acting on the aperture ring 40 at each position have the relationship FL < FM < FH.

[0100] In this way, the larger the angle of the groove, the weaker the force acting in the tangential direction, and the smaller the force required to switch positions. Therefore, the larger the angle of the groove, the weaker the clicking sensation.

[0101] As explained above, the aperture ring 40 of this embodiment provides a different click feeling at each of the A position, the main series aperture value position, and the sub series aperture value position. This makes it easier to grasp the operating state of the aperture ring 40. In other words, it makes it easier to grasp the position to which the aperture ring 40 is set.

[0102] Furthermore, in this embodiment, multiple click mechanisms 50 are used to provide three levels of click sensation, so it is possible to provide a sufficient click sensation required for operation while miniaturizing each click mechanism 50. This allows the thickness (wall thickness) required for the aperture ring 40 to be reduced. Therefore, it is possible to suppress an increase in the outer diameter of the aperture ring 40. In other words, by miniaturizing the click mechanisms 50, it is possible to reduce the thickness of the aperture ring 40 required for its incorporation, and as a result, it is possible to suppress an increase in the outer diameter of the aperture ring 40.

[0103] The overall size of the click mechanism 50 is determined by the diameter of the ball 51 used. The smaller the size of the ball 51 used, the smaller the overall size (particularly the size of the ring in the radial direction). When used as an operating ring for a lens device, the outer diameter of the ball 51 is preferably less than 1.5 mm, and more preferably less than 1.3 mm. On the other hand, taking into consideration the manufacture and assembly of the ball 51, the outer diameter of the ball 51 is preferably 1.0 mm or more. As an example, the outer diameter of the ball 51 can be 1.2 mm. This makes it possible to provide a sufficient clicking sensation while suppressing the increase in the outer diameter of the aperture ring 40.

[0104] Furthermore, by arranging a plurality of click mechanisms 50, the clicking sensation can be maintained even with lenses having large diameters.

[0105] In this embodiment, two click mechanisms are arranged on one operation ring, but the number of click mechanisms arranged on one operation ring is not limited to this. It is preferable to set the number of click mechanisms according to the diameter of the operation ring, etc. Therefore, for example, an operation ring with a larger diameter may be arranged with three or more click mechanisms.

[0106] Furthermore, it is preferable that the multiple click mechanisms 50 are arranged opposite to the rotation axis O of the aperture ring 40. Specifically, the multiple click mechanisms 50 are arranged at equal intervals in the circumferential direction. In other words, the multiple click mechanisms 50 are arranged with rotational symmetry. For example, if n click mechanisms are used, they are arranged with n-fold symmetry. This allows for smooth rotation operation and provides a well-balanced click sensation.

[0107] Furthermore, in this embodiment, the groove into which ball 51 engages is tapered, and ball 51 is held by abutting against the inner wall surface of the groove, thereby improving the durability of click mechanism 50. In other words, since ball 51 is supported by a surface, wear on the groove and ball can be reduced compared to a configuration in which ball 51 is supported by an edge (groove). This improves durability.

[0108] Furthermore, because the grooves are configured to provide different click sensations depending on their angles, three levels of click sensation can be achieved with a simple configuration.

[0109] [Variations] [Gripping part] In the above embodiment, the aperture ring 40 is provided with the grip portion 42, but it may also be configured without the grip portion.

[0110] In the above embodiment, the gripping portion 42 is formed by the cylindrical protrusion 42A, but the shape of the gripping portion is not limited to this. The gripping portion can also be formed by a recess (for example, an arc-shaped recess) formed on the outer peripheral surface of the aperture ring 40.

[0111] If the aperture ring 40 is provided with a grip 42, it is preferable to position the grip 42 near the position of the groove G0 at position A. In other words, it is preferable to position the grip near the groove with a "strong" click feeling. This makes it possible to maintain a balance of force during operation, improving the operability of the aperture ring 40. In particular, it is possible to maintain a balance of force when releasing from position A, which has a "strong" click feeling, and when releasing from the aperture position of the main series, which has a "medium" click feeling, providing good operability.

[0112] "Near the groove for a strong click feeling" refers to, for example, a position within a rotation angle of 30° from the groove for a strong click feeling. In other words, as shown in Fig. 4, this is a position where the angle δ formed by a line L1 passing through the rotation axis O of aperture ring 40 and the center of the groove for a strong click feeling (= groove G0 at position A) and a line L2 passing through the rotation axis O of aperture ring 40 and the center of protrusion 42A constituting grip portion 42 is less than 30° (δ<30°).

[0113] In other words, it is preferable that the groove for the "strong" click feeling be positioned at a rotation angle of less than 30° with respect to the position of the grip portion 42 (the position of the center of the protrusion 42A). By determining the position of groove G0 at position A, which is the groove for the "strong" click feeling, the positions of grooves G1 to G16 corresponding to the positions of each aperture value are determined. As an example, groove G0 at position A is positioned at a position 25° from the position of the grip portion 42. Specifically, when the aperture ring 40 is rotated counterclockwise to move out of position A, groove G0 at position A is positioned at a position rotated 25° clockwise from the position of the grip portion 42.

[0114] [Engagement member] In the above embodiment, the ball 51 biased by the spring 52 is used as the engaging member, but the configuration of the engaging member and the biasing method thereof are not limited to this.

[0115] FIG. 10 is a diagram showing another example of the engaging member.

[0116] Fig. 10(A) is a diagram showing an example in which the biasing member is formed of a hemisphere and a leaf spring. As shown in Fig. 10(A), in this example, a hemisphere 54 is provided at the tip of a leaf spring 53. The hemisphere 54 is biased by the leaf spring 53 toward the front in the optical axis direction (toward the aperture ring). By rotating the aperture ring 40, the hemisphere 54 engages with the groove Gn, providing a clicking sensation.

[0117] Thus, the engaging member is not limited to a spherical ball, but may also be a hemispherical one. In addition, the engaging member may be an elongated spheroid or semi-elongated spheroid. That is, the engaging member may be at least partially spherical. In this case, the outer diameter (the outer diameter of the spherical portion) is preferably 1.0 mm or more and less than 1.5 mm, and more preferably 1.0 mm or more and less than 1.3 mm.

[0118] Similarly, the biasing member may be made of other spring materials such as a leaf spring as shown in this example, in addition to the compression coil spring.

[0119] 10(B) is a diagram showing an example of a configuration in which the biasing member and the engaging member are integrated. In this example, a circular arc-shaped (for example, U-shaped) protrusion 55A that functions as an engaging member is provided at the tip of leaf spring 55. The circular arc-shaped protrusion 55A is formed integrally with leaf spring 55 by, for example, bending. In this configuration, too, by rotating aperture ring 40, circular arc-shaped protrusion 55A engages with groove Gn, providing a clicking sensation.

[0120] In this way, the biasing member and the engaging member can be integrated. The engaging member can also be arc-shaped. In this case, the outer diameter of the arc portion (arc width) is preferably 1.0 mm or more and less than 1.5 mm, and more preferably 1.0 mm or more and less than 1.3 mm.

[0121] [Engagement part] In the above embodiment, the tapered groove Gn is used as the engaging portion, but the configuration of the engaging portion is not limited to this.

[0122] FIG. 11 is a diagram showing another example of the engaging portion.

[0123] Fig. 11(A) is a diagram showing an example in which the engagement portion is configured as a tapered groove having a bottom surface. In the case of a groove configured to receive ball 51 with an inclined inner wall surface as shown in Fig. 11(A), the shape (cross-sectional shape) is not limited to a V-shape, and it may also be a shape having a bottom surface (an inverted trapezoidal shape). In this case as well, the strength of the click feeling can be adjusted by the groove angle ε (the angle between the inner wall surfaces on both sides).

[0124] 11(B) shows an example in which the engagement portion is configured as a groove having a rectangular cross section. In this case, the click feeling is adjusted by the width w of the groove Gn.

[0125] In consideration of durability, it is preferable that the engaging portion be configured as a tapered groove having an inclined inner wall surface.

[0126] Furthermore, when the engaging portion is configured as a tapered groove, the angle of the groove is preferably set within the range of an obtuse angle.

[0127] Fig. 12 is a diagram showing another example of the engagement portion, and is a perspective view of the aperture ring as seen from the rear side. Fig. 13 is an enlarged view of a part of the aperture ring shown in Fig. 12.

[0128] 12 and 13 show an example in which the engagement portion is composed of holes H0, H1, ..., H16. As shown in FIG. 13, each of the holes H0, H1, ..., H16 has a conical shape. In this example, the strength of the click feeling is adjusted by changing the apex angle. The larger the apex angle, the weaker the click feeling. Therefore, the apex angles of the holes H1, H4, H7, H10, H13, and H16 at the aperture values ​​of the main series are set larger than that of the hole H0 at position A, and the apex angles of the holes H2, H3, H5, H6, H8, H9, H11, H12, H14, and H15 at the aperture values ​​of the secondary series are set larger than that of the holes H1, H4, H7, H10, H13, and H16 at the aperture values ​​of the main series. In this case, too, it is preferable to set the apex angle of each hole within the obtuse angle range.

[0129] In this way, the engaging portion can be configured as a hole other than a groove, that is, the engaging portion can be configured as a recess.

[0130] In this example, the hole is configured as a conical hole, but the shape of the hole is not limited to this. Other shapes, such as a truncated cone hole, are also possible. Also, a cylindrical hole is possible. In this case, the strength of the click feeling can be adjusted by the diameter of the hole.

[0131] [Click mechanism] In the above embodiment, the groove (engagement portion) is arranged on the aperture ring side and the ball (engagement member) is arranged on the fixed portion side of the lens barrel, but the arrangement of the groove and ball may be reversed. That is, the groove may be arranged on the fixed portion side of the lens barrel and the ball may be arranged on the aperture ring side. The engagement portion and engagement member may be arranged so that the engagement portion is arranged on one of the movable side and the fixed side and the engagement member is arranged on the other.

[0132] In addition, in the above embodiment, a groove is arranged on a surface perpendicular to the optical axis, and the ball is urged in the optical axis direction to engage with the groove, but the configuration for engaging the groove and the ball is not limited to this. For example, a groove may be arranged on the inner peripheral surface of the aperture ring, and the ball may be urged in the radial direction to engage with the groove.

[0133] [Other variations] In the above embodiment, the present invention has been described as being applied to an operating device for operating a lens aperture, but the application of the present invention is not limited to this. The present invention can be widely applied to operating devices that perform various operations using a rotating annular operating member (operating ring).

[0134] When the present invention is applied to an operating device for operating an aperture, as described in the above embodiment, it is preferable to set the click feeling to be different between the aperture value of the main series and the aperture value of the sub series, and also to set the click feeling to be different between the positions for other settings (settings other than aperture value). In this case, it is preferable to set the click feeling to be the strongest at the position for other settings. Furthermore, in the above embodiment, the function of switching modes is assigned to the position for other settings, but other functions may also be assigned. Furthermore, multiple positions for other settings may be provided.

[0135] Furthermore, in the above embodiment, the aperture value is configured to be changed in 1 / 3-stop increments, but the manner in which the aperture value is changed is not limited to this. For example, the aperture value may be changed in 1 / 2-stop or 1 / 4-stop increments. In this case, too, it is preferable to change the strength of the clicking sensation between the aperture value position of the main group and the aperture value position of the sub group.

[0136] In addition, in the above embodiment, an example was described in which the present invention was applied to an operating member that is rotated within a certain angular range, but the present invention can also be applied to an operating member that can be rotated without limit.

[0137] Furthermore, in the above embodiment, the present invention has been described as being applied to a lens device provided in a camera with an integrated lens, but the application of the present invention is not limited to this. The present invention can also be applied to a lens device (so-called interchangeable lens) of a camera with an interchangeable lens.

[0138] Furthermore, in the above embodiment, the present invention has been described as being applied to an imaging device and a lens device used in the imaging device, but the application of the present invention is not limited to this. The present invention can be widely applied to lens devices equipped with a rotatable annular operating member (operation ring) and optical devices using such lens devices. Furthermore, the present invention can be widely applied to devices other than lens devices equipped with a rotatable annular operating member.

[0139] The above modifications can be used in appropriate combinations.

[0140] [Note] In this specification, the meaning of the terms "same" and "identical" includes not only the meaning of being completely identical, but also the meaning of "almost the same" which includes tolerances allowed in design and manufacturing.

[0141] Furthermore, in this specification, the meanings of terms such as "simultaneous," "synchronized," and "same amount" include not only completely simultaneous, synchronized, and same amount, but also ranges that are recognized as substantially simultaneous, synchronized, and same amount (meanings such as "almost simultaneous," "almost synchronized," and "almost the same amount").

[0142] In this specification, the term "symmetric" means not only perfect symmetry but also "almost symmetric" which includes tolerances allowed in design and manufacturing.

[0143] In this specification, the term "opposed" means not only completely opposed, but also "almost opposed" which includes tolerances allowed in design and manufacturing.

[0144] In this specification, the term "orthogonal" means not only completely orthogonal but also "almost orthogonal" which includes tolerances allowed in design and manufacturing.

[0145] In addition, in this specification, the meaning of the term "constant" includes not only the meaning of being completely constant, but also the meaning of "almost constant" which includes tolerances allowed in design and manufacturing.

[0146] In this specification, the term "center" means not only the exact center, but also "approximately the center" which includes tolerances allowed in design and manufacturing.

[0147] In addition, in this specification, the meanings of the terms "sphere" and "hemisphere" include not only perfect spheres and hemispheres, but also "almost spheres" and "almost hemispheres" that include tolerances allowed in design and manufacturing. [Explanation of symbols]

[0148] 1. Camera 2...Main body 3...Lens section 4. Viewfinder 5...Monitor 10...Power lever 11...Shutter button 12...Exposure compensation dial 13...Shutter speed dial 14...Command dial 15. DISP / BACK button 16...Play button 17 MENU / OK button 18...Focus lever 19...Function button 20...Telescope tube 21…Indicators 22...Fixing ring 23…Fixed tube 24...Ball holding hole 30...Focus ring 40...Aperture ring 41...Aperture ring body 42...Gripping part 42A...Convex part 43...Stepped part of aperture ring body 44...End face of stepped portion 50...Click mechanism 51...Ball 52...Spring 53...Leaf spring 54…Hemisphere 55...Leaf spring 55A...Protruding part of leaf spring FH...Tangential force acting on the aperture ring when engaged with the groove at position A FM: Tangential force acting on the aperture ring when it engages with the main series aperture groove FL: Tangential force acting on the throttling ring when it engages with the groove of the secondary throttling ring N: Force acting on the aperture ring in the optical axis direction Gn(=G0~G16)…Groove GH(=G0)...Groove at A position GM (= G1, G4, G7, G10, G13, G16)...Main sequence aperture grooves GL (= G2, G3, G5, G6, G8, G9, G11, G12, G14, G15)...Sub-series aperture grooves H0~H16...Hole L1: A straight line passing through the rotation axis of the aperture ring and the center of the groove at position A L2: A straight line passing through the center of the rotation axis of the aperture ring and the convex part of the grip O...Aperture ring rotation axis t...Tangential direction w: groove width z...direction of optical axis α...Groove angle at position A β... Main sequence aperture groove angle γ…Angle of the groove for the sub-series aperture δ...the angle between lines L1 and L2 ε...Groove angle θ1: Rotation angle from groove G1 to groove G2 (arrangement interval of groove G1 to groove G16) θ2...Rotation angle from groove G1 to groove G16 θ3...Rotation angle from groove G1 to groove G0 θ4...Rotation angle from position A to the minimum aperture position (aperture ring movement range)

Claims

1. A base member; an annular operating member provided on the base member and rotatable around an axis; a click mechanism that, in response to rotation of the operating member, provides a first click feeling at a first position, a second click feeling weaker than the first click feeling at a second position, and a third click feeling weaker than the second click feeling at a third position; Equipped with A plurality of the click mechanisms are arranged. Operating device.

2. The plurality of click mechanisms are arranged opposite to each other with respect to the axis. The operating device according to claim 1 .

3. The click mechanism is an engaging member provided on one of the base member and the operating member and biased toward the other; a first engagement portion provided on the other of the base member and the operating member, with which the engaging member engages when the operating member is positioned at the first position; a second engagement portion provided on the other of the base member and the operating member, with which the engagement member engages when the operating member is positioned at the second position; a third engagement portion provided on the other of the base member and the operating member, with which the engagement member engages when the operating member is positioned at the third position; Equipped with the first engaging portion, the second engaging portion, and the third engaging portion have different shapes; The operating device according to claim 2 .

4. At least a portion of the engaging member is formed in a spherical or arc shape, The first engagement portion, the second engagement portion, and the third engagement portion are configured as recesses. The operating device according to claim 3 .

5. The recess has a tapered inner wall surface, and an angle formed by the inner wall surface differs among the first engagement portion, the second engagement portion, and the third engagement portion. The operating device according to claim 4 .

6. When the angle at the first engagement portion is defined as α, the angle at the second engagement portion is defined as β, and the angle at the third engagement portion is defined as γ, a relationship of α<β<γ is satisfied. The operating device according to claim 5 .

7. a difference between the angle α and the angle β and a difference between the angle β and the angle γ are different; The operating device according to claim 6.

8. a difference between the angle α and the angle β is greater than a difference between the angle β and the angle γ; The operating device according to claim 7.

9. the angles α, β, and γ are obtuse angles; The operating device according to claim 6.

10. the engaging member engages with the first engaging portion, the second engaging portion, and the third engaging portion at the same position in the biasing direction; The operating device according to claim 3 .

11. The outer diameter of the spherical or arc-shaped portion is less than 1.5 mm. The operating device according to claim 4 .

12. The operating member has a grip portion, The gripping portion is disposed at a position at a rotation angle of less than 30° from the position of the first engaging portion. The operating device according to claim 3 .

13. a plurality of the second positions and a plurality of the third positions within a predetermined rotation angle range, and the first position at a position outside the range; The operating device according to claim 1 .

14. a plurality of second positions within a predetermined rotation angle range; The third position is located between adjacent second positions. The operating device according to claim 1 .

15. a plurality of the third positions between adjacent second positions; The operating device according to claim 14.

16. A lens device comprising the operation device according to any one of claims 1 to 15, the base member constitutes a fixing portion of the lens barrel, the operating member constitutes an operating ring provided on the outer periphery of the lens barrel; Lens device.

17. a lens device according to claim 16; a main body that captures an image formed by the lens device; An imaging device comprising:

Images