JP2005292325A - Camera, imaging apparatus, lens barrel and camera main body - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a camera equipped with an operation member which is good in operability in changing the content of setting, and which does not require new space or new parts for arrangement. <P>SOLUTION: The camera with which the content of the setting can be changed by a user is equipped with an imaging apparatus TL including a lens barrel 46 holding a photographic optical system forming the optical image of a subject, and an imaging sensor 16 capable of converting the optical image of the subject formed by the photographic optical system into an electrical image signal, and a microcomputer 49. The lens barrel 46 is a cylinder coaxial to the optical axis of the photographic optical system, and has a diaphragm ring 40 manually operated to be rotated by the user and a diaphragm linear sensor 41 outputting a signal in accordance with the rotational angle of the diaphragm ring 40. The microcomputer 49 selects an item on which the content of the setting should be changed based on a signal outputted from the diaphragm linear sensor 41. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a camera, and more particularly to a camera that allows a user to change the contents of settings. The present invention also relates to an imaging device connected to a control device, and more particularly to an imaging device connected to a control device that allows a user to change the contents of settings. Furthermore, the present invention relates to a camera body and a lens barrel connected to the camera body, and more specifically, a camera body that can be changed by a user and a lens barrel connected to the camera body. About.

  In recent years, digital still cameras and digital video cameras (hereinafter simply referred to as digital cameras) that can convert an optical image of a subject into an electrical image signal and output the signals are rapidly spreading. For digital cameras, a high-end model equipped with a full-auto model that focuses on high-speed autofocus and a compact, lightweight body, a focus ring that performs manual focusing operations, and an aperture ring that performs manual exposure setting operations. Broadly divided into models. Recently, the quality of images taken by digital cameras has improved, and the popularity of high-end models that can enjoy the joy of being able to operate on their own is also increasing.

  Generally, a digital camera has a liquid crystal monitor LCD as a display device. The digital camera displays on the liquid crystal monitor a setting mode image for accepting a change in the setting contents for each item by an operation member provided on the main body. Here, the setting items include, for example, white balance setting in the shooting mode, setting of the number of recording pixels, and the like, setting of image protection in the playback mode, setting of DPOF for writing information such as the number of prints to the card, and the like. means.

When the setting mode image is displayed on the liquid crystal monitor, the user operates the same or different operation member as the previously operated operation member, selects a setting item, and inputs the content of the setting. For example, Patent Document 1 discloses a digital camera including a cross operation key. The digital camera disclosed in Patent Document 1 displays a shooting or playback mode setting menu screen when a user operates a mode button. In the digital camera disclosed in Patent Document 1, the user selects an item whose setting content is to be changed from items displayed on the setting menu screen of the shooting or playback mode by operating the cross operation key. The setting contents have been changed.
JP-A-11-284884

  In the digital camera disclosed in Patent Document 1, a user operates a cross operation key to select a setting item to be changed. In the digital camera disclosed in Patent Document 1, when the setting item to be changed is selected from the setting menu screen, the user needs to scroll the icon corresponding to the item one by one using the cross operation key. .

  For this reason, in the digital camera disclosed in Patent Literature 1, when there are a large number of setting items that can be changed, the cross operation key must be frequently operated in order to display a predetermined icon frequently used by the user. I had to. In particular, since a high-end model digital camera has high functionality, there are a large number of setting items that can be changed by the user. If the user wants to change the contents of a specific setting item, It has a problem that it takes time and is poor in operability.

  It is also conceivable to arrange a dedicated operation member on the digital camera so that a predetermined setting item is directly displayed on the setting menu screen. However, in order to arrange a dedicated operation member, a space must be provided in the digital camera. In addition, the dedicated operation member has a problem of increasing the number of parts.

  A first object of the present invention is to provide a camera including an operation member that has good operability when setting contents are changed and does not require new space or parts for arrangement.

  In addition, the second object of the present invention is to provide a control device that has good operability, has an operation member that does not require a new space or parts for arrangement, and is connected by operating the operation member. An object of the present invention is to provide an imaging apparatus capable of changing contents.

  In addition, the third object of the present invention is to provide an operation member that has good operability and does not require a new space or parts for arrangement, and is configured to set the camera body connected by operating the operation member. To provide a lens barrel capable of changing contents and a camera body connected to the lens barrel.

The first object is achieved by the following camera.
A camera that can be changed by a user, and a lens barrel that holds a photographing optical system that forms an optical image of the subject, and an optical image of the subject that is formed by the photographing optical system. An imaging device including an imaging sensor capable of converting into a typical image signal and a control means are provided. The lens barrel has a cylindrical shape coaxial with the optical axis of the imaging optical system, and can be manually rotated by the user. And a rotation angle detection means for outputting a signal corresponding to the rotation angle of the first operation member, and the control means is based on the signal output from the rotation angle detection means. Select the item whose settings should be changed.
Since the present invention has the above-described configuration, the user can select an item whose setting content is to be changed by manually rotating the first operation member. Therefore, no new space or parts are required for placement in the camera. In the present invention, since the first operation member is provided in the lens barrel, the operability for the user is good.

Preferably, there is provided presentation means for presenting to the user an item whose setting content is to be changed. As an example, the presenting means is preferably a display device.
Since the present invention has the above-described configuration, the user can operate the first operating member while confirming the items presented by the presenting means when rotating the first operating member. Therefore, the first operation member can be reliably operated.

Preferably, a second operation member operated to change the content of the item selected by the control means is provided.
Since the present invention has the above-described configuration, the user can change the content of the setting item selected by the rotation operation of the first operation member using the second operation member.

Preferably, a third operation member operated to input a change in setting contents by the user is provided.
Since the present invention has the above-described configuration, the user is allowed to select a setting item by rotating the first operation member in accordance with the operation of the third operation member. Therefore, the setting item can be prevented from being selected by an unintended rotation operation of the first operation member, and the first operation member can be used for other operations.

As an example, a fourth operation member that is operated to enter a shooting mode for acquiring a new electrical image signal is provided, and in the shooting mode, the third operation member allows the user to change the setting contents. If so, the control means selects an item related to photographing based on the output from the rotation angle detection means.
Since the present invention has the above-described configuration, when the user rotates the first operation member in the shooting mode, items related to shooting that are directly related to the shooting mode can be selected.

Further, as another example, a fourth operation member that is operated to enter a shooting mode for acquiring a new electrical image signal is provided, and in the shooting mode, the setting by the user is performed by the third operation member. When the change of the content is not permitted, the control means, based on the output from the rotation angle detection means, out of the focal length of the photographing optical system, the aperture value of the photographing optical system, and the object distance of the photographing optical system. Change one of these.
Since the present invention has the above-described configuration, the user can cause the first operation member to function as any one of a so-called zoom ring, aperture ring, and focus ring.

As another example, a fourth operation member that is operated to enter a reproduction mode for reproducing the image signal acquired in advance is provided. In the reproduction mode, the setting by the user is performed by the third operation member. When the change of the content is permitted, the control unit selects the item related to reproduction based on the output from the rotation angle detection unit.
Since the present invention has the above-described configuration, when the user operates the third operation member in the reproduction mode, the item relating to reproduction directly related to the reproduction mode is selected by the rotation operation of the first operation member. Can do.

Preferably, storage means for storing items selected by the control means based on registration by the user is provided.
Since the present invention has the above-described configuration, the set items can be customized by the user. Therefore, it is possible to instantaneously select an item for which the user should frequently change the setting contents personally.

As an example, the storage means stores a plurality of items for one rotation angle.
Since the present invention has the above configuration, a plurality of items to be set can be customized. Accordingly, it is possible to instantaneously select items for which each user should frequently change the contents of the settings personally. Moreover, the item which should change the content of a setting according to a condition can be changed.

  Preferably, the first operating member is discretely fixed at a predetermined rotation angle. Preferably, the first operation member can be locked at a predetermined rotation angle, and includes a fifth operation member for releasing the lock.

The second object is achieved by the following imaging device.
An imaging device that is used by being connected to a control device that can change setting contents by a user, and is formed by a lens barrel that holds a photographing optical system that forms an optical image of a subject, and a photographing optical system The lens barrel has a cylindrical shape coaxial with the optical axis of the photographic optical system and can be manually rotated by the user. And a rotation angle detection means for outputting a signal corresponding to the rotation angle of the first operation member, and the contents of the control device connected based on the output from the rotation angle detection means The setting item to be changed can be selected.
Since the present invention has the above-described configuration, the user manually selects the item to change the setting contents of the control device by rotating the first operation member included in the lens barrel. Can do. Therefore, a new space and parts are not required for arranging the operation member in the control device. In the present invention, since the first operation member is provided in the lens barrel, the operability for the user is good.

The third object is achieved by the following lens barrel.
A lens barrel that is connected to a camera body that can be changed by the user and that is used for the imaging optical system that forms an optical image of the subject, and a cylindrical shape that is coaxial with the optical axis of the imaging optical system A first operation member that can be manually rotated by a user, and a rotation angle detection unit that outputs a signal corresponding to the rotation angle of the first operation member. An imaging sensor capable of converting an optical image of the subject formed into an electrical image signal and a control unit controlled based on a signal input from the outside, and outputs from the rotation angle detection unit By causing the control means to input, the control means is allowed to select an item whose setting content is to be changed.
Since the present invention has the above configuration, the user manually selects the item whose setting content of the camera body should be changed by manually rotating the first operation member included in the lens barrel. Can do. Therefore, no new space or parts are required for arranging the operation member in the camera body. In the present invention, since the first operation member is provided in the lens barrel, the operability for the user is good.

The third object is achieved by the following camera body.
A camera body that is used in connection with a lens barrel and can be changed by a user. The lens barrel includes an imaging optical system that forms an optical image of a subject, and light of the imaging optical system. A camera having a cylindrical shape coaxial with an axis and capable of being manually rotated by a user; and a rotation angle detecting means for outputting a signal corresponding to the rotation angle of the first operation member. The main body receives the output from the imaging sensor capable of converting an optical image of the subject formed by the photographing optical system into an electrical image signal and the rotation angle detection means, and sets the control means based on the output. Control means for selecting an item whose content is to be changed.
Since the present invention has the above configuration, the user manually selects the item whose setting content of the camera body should be changed by manually rotating the first operation member included in the lens barrel. Can do. Therefore, no new space or parts are required for arranging the operation member in the camera body. In the present invention, since the first operation member is provided in the lens barrel, the operability for the user is good.

  According to the present invention, it is possible to provide a camera provided with an operation member that has good operability when setting contents are changed and does not require new space or parts for arrangement.

  In addition, according to the present invention, the operability is good, and an operation member that does not require a new space or part for arrangement is provided, and the setting contents of the control device connected by operating the operation member are changed. It is possible to provide an imaging device capable of performing the above.

  Further, according to the present invention, there is provided an operation member that is easy to operate and does not require a new space or part for arrangement, and the setting contents of the camera body connected by operating the operation member are changed. And a camera body connected to the lens barrel.

(Embodiment 1)
FIG. 1 is a top view of a digital camera 1 according to Embodiment 1 of the present invention. The digital camera 1 generally includes an imaging device TL and a main body BD. In all the descriptions of the embodiments, the coordinate system is determined based on the optical axis AX of the photographing optical system L. That is, the direction parallel to the optical axis AX of the photographing optical system L is defined as the z direction, and the direction perpendicular to the z direction and included in the plane parallel to the top view of FIG. In addition, a direction perpendicular to both the z direction and the x direction is taken as a y direction. This xyz coordinate system is a three-dimensional orthogonal coordinate system.

  The main body BD is a housing that is supported by a photographer when photographing a subject. The main body BD includes a shutter button 63 and a shutter speed setting dial 64. The shutter button 63 and the shutter speed setting dial 64 are provided on the right side of the upper surface of the main body BD.

  The shutter speed setting dial 64 is an operation member that sets the shutter speed by rotating. The shutter speed setting dial 64 has an automatic position where the shutter speed is automatically set.

  The main body BD includes a liquid crystal monitor LCD and a speaker SP. The liquid crystal monitor LCD and the speaker SP are provided on the surface on the photographer side of the main body BD. The operation of the liquid crystal monitor LCD and the speaker SP will be described later.

  The imaging device TL includes a lens barrel 46 and an imaging sensor 16. The lens barrel 46 holds a photographing optical system L described later. The image sensor 16 is a CCD. The imaging sensor 16 converts an optical image formed by the photographing optical system L into an electrical image signal.

  The lens barrel 46 has a filter mount 29 on the most object side. The lens barrel 46 includes a zoom ring 26, a focus ring 32, and an aperture ring 40 in order from the filter mount 29 toward the main body BD (in the negative z-axis direction). The zoom ring 26, the focus ring 32, and the aperture ring 40 are all cylindrical rotational operation members, and are disposed on the outer peripheral surface of the lens barrel 46 so as to be rotatable.

  FIG. 2 is a rear view of the digital camera 1 according to Embodiment 1 of the present invention. The main body BD includes a power button 70, a shooting / playback mode switching lever 71, a MENU button 72, a cross operation key 73, and a SET button 74.

  The power button 70 is an operation member for turning on / off the power of the digital camera 1. The shooting / playback mode switching lever 71 is an operation member that switches between the shooting mode and the playback mode by switching the lever. Here, the shooting mode is a mode set in the digital camera 1 in order to newly shoot a subject to form an image signal. The playback mode is a mode that is set in the digital camera 1 to display an image signal that has already been taken and stored.

  The MENU button 72 is an operation member for displaying various operation menus on the liquid crystal monitor LCD. The cross operation key 73 has up, down, left and right arrow keys and is an operation member for selecting display items of various operation menus. The SET button 74 is an operation member for confirming display items of various operation menus.

  The aperture ring 40 has a cylindrical shape. 3A is a development view of the outer peripheral surface of the diaphragm ring according to Embodiment 1 of the present invention, and FIG. 3B is a development view of the inner peripheral surface of the diaphragm ring according to Embodiment 1 of the present invention. It is.

  1 and 3A, the aperture ring 40 displays an aperture value on the outer peripheral surface. The aperture value display area is divided into two areas. In FIG. 3A, the display portion for each AV from [2] to [11] corresponds to the manual area. In FIG. 3A, the display portion [A] corresponds to the auto area. 1 and 3B, the aperture ring 40 has a straight cam groove 42 on the inner peripheral surface.

  FIG. 4 is a cross-sectional view of the lens barrel according to Embodiment 1 of the present invention. The lens barrel 46 holds the aperture ring 40, the focus ring 32, and the zoom ring 26 on the outer peripheral side so as to be rotatable. The aperture ring 40 and the focus ring 32 are held by a ring fixing frame 36 having a cylindrical shape. The inner peripheral surface of the aperture ring 40 is fitted and held with the sliding surface 36e of the ring fixing frame 36. In the aperture ring 40, three convex portions 40b (not shown) provided on the inner periphery and three concave portions 36f provided on the outer periphery of the ring fixing frame 36 are coupled to each other in a direction parallel to the optical axis AX (z The direction of the axis). With this configuration, the aperture ring 40 is held rotatably around the optical axis AX. The ring fixing frame 36 fixes the aperture linear sensor 41.

  The lens barrel has an aperture unit 22 inside. The aperture unit 22 includes an aperture drive motor 22b for driving aperture blades therein. The aperture drive motor 22b drives the aperture blades according to the rotation angle of the aperture ring 40 under the control described later. By driving the diaphragm blades, the aperture value of the photographing optical system L is changed.

  FIG. 5 is a cross-sectional view showing the coupling of the diaphragm ring and the diaphragm linear sensor according to Embodiment 1 of the present invention. In FIG. 5, the aperture linear sensor 41 includes a cylindrical slider 41a protruding in the outer peripheral direction. The cam groove 42 formed in the aperture ring 40 is coupled to the slider 41 a of the aperture linear sensor 41.

  The circuit configuration of the aperture linear sensor 41 is a variable resistor as shown in FIG. 6A. When a predetermined voltage is applied between the terminals 1 and 3, a cylindrical slide provided in the aperture linear sensor 41 is provided. When the moving element 41a slides on a magnetic resistor (not shown), the output of the terminal 2 changes linearly as shown in FIG. 6B.

  FIG. 7 is a graph showing the relationship between the rotation angle of the aperture ring and the output value of the aperture linear sensor according to Embodiment 1 of the present invention. In FIG. 1 and FIG. 3, when the character [2] displayed on the aperture ring 40 is positioned at an angle that coincides with the index 33, the slider 41 a of the aperture linear sensor 41 moves P on the cam groove 42. In position. In that case, the output value of the aperture linear sensor 41 is P ′.

  When the character [2.8] displayed on the aperture ring 40 is positioned at an angle that matches the index 33, the slider 41a of the aperture linear sensor 41 is at the position Q on the cam groove 42. In that case, the output value of the aperture linear sensor 41 is Q ′. Similarly, when the character [4] displayed on the aperture ring 40 is positioned at an angle that coincides with the index 33, the slider 41a of the aperture linear sensor 41 is at the position R on the cam groove 42. In that case, the output value of the aperture linear sensor 41 is R ′. Similarly, when the character [5.6] displayed on the aperture ring 40 is positioned at an angle that coincides with the index 33, the slider 41a of the aperture linear sensor 41 is at the position S on the cam groove 42. is there. In that case, the output value of the aperture linear sensor 41 is S ′. Similarly, when the character [8] displayed on the aperture ring 40 is positioned at an angle that coincides with the index 33, the slider 41a of the aperture linear sensor 41 is at the position T on the cam groove 42. In that case, the output value of the aperture linear sensor 41 is T ′. Similarly, when the character [11] displayed on the aperture ring 40 is positioned at an angle that coincides with the index 33, the slider 41a of the aperture linear sensor 41 is at the position U on the cam groove 42. In that case, the output value of the aperture linear sensor 41 is U ′. Similarly, when the letter [A] displayed on the aperture ring 40 is positioned at an angle that coincides with the index 33, the slider 41a of the aperture linear sensor 41 is at the position V on the cam groove 42. In that case, the output value of the aperture linear sensor 41 is V ′.

  As described above, the aperture linear sensor 41 indicates an output corresponding to the rotation angle of the aperture ring 40 on a one-to-one basis. Therefore, the rotation angle of the aperture ring 40 can be detected. The aperture linear sensor 41 outputs an aperture value signal corresponding to the rotation angle as a voltage change.

  The aperture ring 40 has an aperture mode switching button 43 on the outer peripheral surface. FIG. 8A is a schematic cross-sectional view when the aperture ring according to Embodiment 1 of the present invention is in the first stop position. FIG. 8B is a schematic cross-sectional view when the aperture ring according to Embodiment 1 of the present invention is between the first stop position and the second stop position. FIG. 8C is a schematic cross-sectional view when the aperture ring according to Embodiment 1 of the present invention is in the second stop position.

  Note that the reference numerals in parentheses in the figure indicate the structure of the focus ring 32, and may be ignored in the description related to the structure of the aperture ring 40. Further, (1) in FIGS. 8A to 8C are schematic cross-sectional views cut along a plane passing through the center of the aperture mode switching button 43 and including the optical axis AX. 8A to 8C are schematic sectional views cut along a plane (xy plane) that passes through the center of the aperture mode switching button 43 and is perpendicular to the optical axis AX. The direction indicated by the arrow K in the figure indicates the direction of rotation about the optical axis AX. In the aperture ring 40, the first stop position corresponds to the position of the character [11] shown in FIG. In the aperture ring 40, the second stop position corresponds to the position of the character [A] shown in FIG.

  The aperture mode switching button 43 is located in the lateral hole 40 a of the aperture ring 40. A compression spring 39 is provided between the aperture mode switching button 43 and the aperture ring 40. The aperture mode switching button 43 is movable in the direction of arrow J in the figure while being urged toward the outer periphery of the aperture ring 43 by the action of a compression spring. The aperture mode switching button 43 has a locking portion 43 a protruding in the direction of the optical axis AX at a portion hidden inside the aperture ring 40.

  In FIG. 8A, when the aperture ring 40 reaches the first stop position, the locking portion 43 a of the aperture mode switching button 43 comes into contact with the locking portion 36 a provided on the ring fixing frame 36. Therefore, unless the aperture mode switching button 43 is operated, rotation of the aperture ring 40 in the K direction is prohibited.

  When the aperture ring 40 is in the first stop position, when the aperture mode switching button 43 is pushed in and further rotated in the K direction, the engaging portion 43a of the aperture mode switching button 43 is pushed into the inside. The locking portion 36a formed in the ring fixing frame 36 has a space in which the locking portion 43a of the aperture mode switching button 43 can pass. Accordingly, when the aperture mode switching button 43 is pushed in and further rotated in the K direction, the rotation in the K direction is allowed and enters between the first stop position and the second stop position shown in FIG. 8B. .

  When the aperture mode switching button 43 is pressed and further rotated in the K direction, the locking portion 43a of the aperture mode switching button 43 is allowed to rotate in the K direction and is at the second stop position shown in FIG. 8C. To reach. When the stop of the aperture mode switching button 43 is stopped at the second stop position, the aperture mode switching button 43 is restored by the compression spring.

  When the aperture mode switching button 43 returns to the original state, the locking portion 43 a of the aperture mode switching button 43 comes into contact with the locking portion 36 a provided on the ring fixing frame 36. Accordingly, unless the aperture mode switching button 43 is operated, the reverse rotation of the aperture sling 40 is prohibited. When rotating in the reverse direction of the K direction, if the rotation is reversed in the K direction to the first stop position while pushing the aperture mode switching button 43 at the second stop position, and the push is stopped at the first stop position Good.

  The aperture ring 40 has a state in which a manual rotation operation is permitted and a state in which a manual rotation operation is prohibited, depending on the rotational position. The diaphragm ring 40 is allowed to be manually rotated when the index 33 matches the display portion [2] to [11] in FIG.

  When the aperture ring 40 is rotated while the aperture ring 40 is allowed to rotate, the aperture linear sensor 41 outputs an aperture value signal corresponding to the rotation angle. In a control system to be described later, a drive signal for driving the aperture drive motor is generated based on the aperture value signal. The aperture driving motor is rotated by the driving signal. When the aperture drive motor rotates, the aperture blades are driven, and the aperture value of the photographing optical system L is changed by the operation of the aperture blades.

  When the index 33 is coincident with the display portion [A] in FIG. 3A, the aperture ring 40 is prohibited from rotating manually. In a state where the rotation of the aperture ring 40 is prohibited, the aperture ring 40 does not rotate, so the aperture blades are driven by a manual rotation operation, and the aperture value is not changed. In order to shift from the state in which the rotation of the aperture ring 40 is permitted to the prohibited state, the aperture ring 40 is rotated while the aperture mode switching button 43 provided on the aperture ring 40 is being pressed.

  When the aperture ring 40 is rotated while the aperture mode switching button 43 is being pressed, as described with reference to FIGS. 8A to 8C, the index 33 where the aperture ring 40 is in the locking position is indicated by the character [11]. Rotate beyond the position that matches the display. Thereafter, when the aperture mode switching button 43 is released, the aperture ring 40 is locked at a position where the index 33 which is the next locking position coincides with the display of the character [A].

  Conversely, in order to shift from the state in which the rotation of the aperture ring 40 is prohibited to the permitted state, the aperture ring 40 is rotated while the aperture mode switching button 43 provided on the aperture ring 40 is similarly pressed.

  When the aperture ring 40 is rotated while the aperture mode switching button 43 is pressed, the index 33 indicating that the aperture ring 40 is in the locking position is indicated by the letter [A] as described with reference to FIGS. Rotate beyond the position that matches the display. Thereafter, when the aperture mode switching button 43 is released, the aperture ring 40 is allowed to be manually rotated. However, the aperture ring 40 does not rotate beyond the position where the index 33 that is the locking position coincides with the display of the character [11].

  The aperture ring 40 is formed when the characters [2], [2.8], [4], [5.6], [8], [11], [A] and the index 33 coincide with the inner peripheral surface. The V groove row 40c is formed so that the user has a click feeling. The click feeling will be described with reference to FIG.

  FIG. 9 is a schematic diagram for explaining the effect of the rotation operation of the aperture ring according to Embodiment 1 of the present invention. FIG. 9A shows a state where the character [2] and the index 33 match, and FIG. 9B shows a state where the character [2.8] and the index 33 match. 9A and 9B, the ring fixing frame 36 has a hole 36b, a click ball 48 provided in the hole 36g, and a compression spring 47 that urges the click ball 48 in the outer circumferential direction. The aperture ring 40 has a V-groove row 40c.

  The position corresponding to the character [2] in the V-groove row 40c of the aperture ring 40 in a state where the character [2] of the aperture ring 40 matches the index 33 of the main body shown in FIG. A click ball 48 is inserted into the V-groove formed in the. For this reason, in order to rotate the aperture ring 40, a constant torque for rotating against the urging force of the compression spring 47 is required.

  When the user applies torque in the L direction against the bias of the compression spring 47 to the aperture ring 40, the click ball 48 and the V groove are disengaged, and the aperture ring 40 is in a state where the compression spring 47 is compressed. Rotate along the outer peripheral surface of the ring fixing frame 36. Further, when the user rotates the aperture ring 40 in the L direction, the click ball 48 is positioned where the character [2.8] of the aperture ring 40 matches the index 33 of the main body as shown in FIG. Is inserted into the V-groove. At this time, the user can know that the character [2.8] of the aperture ring 40 matches the index 33 of the main body from the click feeling due to the engagement between the click ball 48 and the V groove. Thereafter, when the user rotates the aperture ring 40 in the L direction or in the direction opposite to the L direction, the above operation is repeated.

  The focus ring 32 has a cylindrical shape. FIG. 10 is a development view of the outer peripheral surface of the focus ring according to Embodiment 1 of the present invention. The focus ring 32 has a focus mode switching button 37. The focus mode switching button 37 is a push button switch provided integrally with the focus ring 32.

  1, 4, and 10, the focus ring 32 displays the object point distance on the outer peripheral surface. The object distance display area is divided into four areas. In FIG. 10, the display portion from [0.3] to [0.6] corresponds to a macro imaging region where the operation of the focus ring 32 is allowed manually. Further, the display portion from [0.6] to [∞] corresponds to the normal photographing region where the operation of the focus ring 32 is allowed manually. Further, the display portion of [AF] corresponds to a normal photographing region where the operation of the focus ring 32 is prohibited manually. Further, the display portion of [AF-Macro] corresponds to a macro imaging region where the operation of the focus ring 32 is prohibited manually.

  The focus ring 32 and the ring fixing frame 36 are provided with the same mechanism as that described for the aperture ring 40. In other words, the rotation angle of the focus ring 32 can be detected by the focus linear sensor provided on the ring fixing frame 36. The focus mode switching button 37 provided on the focus ring 32 has a mechanism that is substantially the same as that of the aperture mode switching button 43. Note that the detection method of the rotation angle of the focus ring 32 and the operation method of the focus mode switching button 37 are the same as those of the aperture ring 40 described above, and thus the description thereof is omitted.

  FIG. 11 is a block diagram showing a control system of the digital camera according to Embodiment 1 of the present invention. In FIG. 11, the entire block indicates control of the digital camera 1. In FIG. 11, the range surrounded by the dotted line indicates the imaging device TL. The digital camera 1 is equipped with a microcomputer 49 and controls the entire various control units.

  The microcomputer 49 receives signals from the zoom control unit 60, the shutter button 63, the shutter speed setting dial 64, the shooting / playback mode switching lever 71, the MENU button 72, the cross operation key 73, and the SET button 74. It can be received. The microcomputer 49 can transmit signals to the shutter control unit 65, the image recording control unit 55, the image display control unit 58, and the sound control unit 59. The microcomputer 49 can communicate signals with each other among the focus control unit 61, the aperture control unit 62, and the digital signal processing unit 53. The microcomputer 49 has a memory 66 for storing signals.

  The zoom control unit 60 receives a signal from the zoom linear sensor 21. The zoom control unit 60 converts the rotation amount of the zoom ring 26 detected by the zoom linear sensor 21 into focal length information of the photographing optical system L. The zoom control unit 60 transmits focal length information to the microcomputer 49.

  The focus control unit 61 can receive a signal from the focus linear sensor 35 and can transmit a signal to the focus drive motor 15 via the A / D conversion unit 35A. The focus control unit 61 determines the focus mode from the rotation angle of the focus ring 32 detected by the focus linear sensor 35 and digitized by the A / D conversion unit 35A. The focus control unit 61 transmits the determined result to the microcomputer 49. The focus control unit 61 transmits object point distance information detected from the rotation angle of the focus ring 32 based on a command from the microcomputer 49 to the microcomputer 49. The focus control unit 61 drives the focus motor 15 based on a control signal from the microcomputer 49.

  The aperture control unit 62 can receive a signal from the aperture linear sensor 41, and can transmit a signal to the aperture drive motor 22b via the A / D conversion unit 41A. The aperture control unit 62 determines the aperture mode based on the rotation angle of the aperture ring 40 detected by the aperture linear sensor 41 and digitized by the A / D conversion unit 41A. The aperture control unit 62 transmits the determined result to the microcomputer 49. The aperture control unit 62 transmits aperture value information detected from the rotation angle of the aperture ring 40 based on a command from the microcomputer 49 to the microcomputer 49. The aperture control unit 62 drives the aperture drive motor 22b based on a control signal from the microcomputer 49.

  The shutter controller 65 drives the aperture drive motor 22a based on a control signal from the microcomputer 49. The shutter button 63 transmits shutter timing to the microcomputer 49. The shutter speed setting dial 64 transmits the set shutter speed information and shutter mode information.

  The image sensor 16 is a CCD (Charge Coupled Device). The imaging sensor 16 converts an optical image formed by the imaging optical system TL of the lens unit 2 into an electrical image signal. The image sensor 16 is driven and controlled by the CCD drive control unit 50. The image signal output from the image sensor 16 is processed in the order of the analog signal processing unit 51, the A / D conversion unit 52, the digital signal processing unit 53, the buffer memory 54, and the image compression unit 56.

  The image signal is transmitted from the imaging sensor 16 to the analog signal processing unit 51. The analog signal processing unit 51 performs analog signal processing such as gamma processing on the image signal output from the imaging sensor 16. The image signal is transmitted from the analog signal processing unit 51 to the A / D conversion unit 52. The A / D conversion unit 52 converts the analog image signal output from the analog signal processing unit 51 into a digital signal.

  The image signal is transmitted from the A / D converter 52 to the digital signal processor 53. The digital signal processing unit 53 performs digital signal processing such as noise removal and edge enhancement of the image signal converted into a digital signal by the A / D conversion unit 52. The image signal is transmitted from the digital signal processing unit 53 to the buffer memory 54. The buffer memory 54 temporarily stores the image signal processed by the digital signal processing unit 53. The buffer memory 54 is a RAM (Random Access Memory).

  The image signal is transmitted from the buffer memory 54 to the image compression unit 56 in accordance with a command from the image storage control unit 55. The image compression unit 56 compresses the data of the image signal to a predetermined size in accordance with a command from the image recording control unit 55. The image signal is subjected to data compression at a predetermined ratio and has a smaller data size than the original data. For example, a JPEG (Joint Photographic Experts Group) method is used as this compression method.

  The compressed image signal is transmitted from the image compression unit 56 to the image recording unit 57 and the liquid crystal monitor LCD. On the other hand, the microcomputer 49 transmits a control signal to the image recording control unit 55 and the image display control unit 58. The image recording control unit 55 controls the image recording unit 57 based on a control signal from the microcomputer 49. The image display control unit controls the liquid crystal monitor LCD based on a control signal from the microcomputer 49.

  The image recording unit 57 records the image signal in the internal memory and / or the removable memory based on a command from the image recording control unit 55. The image recording unit 57 records information to be stored together with the image signal in the internal memory and / or the removable memory based on a command from the image recording control unit 55. Information to be stored together with the image signal includes date and time when the image was captured, focal length information, shutter speed information, aperture value information, and shooting mode information.

  The liquid crystal monitor LCD displays the image signal as a visible image based on a command from the image display control unit 58. The liquid crystal monitor LCD displays information to be displayed together with the image signal based on a command from the image display control unit 58. Information to be displayed together with the image signal includes display of focal length information, shutter speed information, aperture value information, shooting mode information, and in-focus state information. Further, the microcomputer 49 transmits a control signal to the voice control unit 59. The voice control unit 59 drives and controls the speaker SP based on a control signal from the microcomputer 49. The speaker SP emits a predetermined alarm sound to the outside.

  The liquid crystal monitor LCD displays a setting screen to be set by the user in a predetermined shooting / playback mode based on a command from the image display control unit 58. Details of the setting screen will be described later.

  When the user takes a picture, the power button 70 is turned on, and the photography / playback mode switching lever 71 is set to the photography mode. As a result, the digital camera 1 is turned on, and the subject converted into an electrical image signal by the imaging sensor 16 is displayed as a visible image on the liquid crystal monitor LCD based on a command from the image display control unit 58. The liquid crystal monitor LCD displays a so-called through image in which the visible image of the subject is rewritten at a predetermined timing based on a command from the image display control unit 58.

  When the user presses the MENU button 72 while the digital camera 1 is in the shooting mode, the LCD monitor LCD iconizes the setting items that can be changed by the user in the shooting mode based on the command of the image display control unit 58. Display the settings menu image.

  FIGS. 12A, 12B, and 12C are setting menu images displayed on the liquid crystal monitor LCD in the shooting mode of the digital camera according to Embodiment 1 of the present invention. The digital camera 1 according to the first embodiment has a setting menu image of three screens in the shooting mode.

  FIG. 12A shows a shooting mode setting menu image (1/3) displayed first of the digital camera according to Embodiment 1 of the present invention. The setting menu image (1/3) displays an icon 80, an icon 81, an icon 82, and an icon 83 in order from the top. In the figure, the rectangle of the row of icons 80 indicates that the icon 80 is selected and the row of icons 80 is highlighted.

  The row of icons 80 displays the white balance adjustment mode. When the icon 80 is selected, the setting can be changed among AUTO, which is displayed automatically from the left side, under clear sky, cloudy, incandescent lamp environment, and fluorescent lamp environment. The row of icons 81 displays a recording pixel number setting mode. When the icon 81 is selected, settings such as 2560 × 1920 pixels, 1600 × 1200 pixels are displayed, and the settings for each recording pixel can be changed. The row of icons 82 corresponds to the setting of the compression rate of the captured image. When the icon 82 is selected, settings such as low compression and standard compression can be changed. The row of icons 83 indicates the spot mode setting. When the icon 83 is selected, it is possible to change the setting to the spot mode in which a part of the subject is photographed with the focus and exposure adjusted.

  FIG. 12B shows a shooting mode setting menu image (2/3) displayed second in the digital camera according to Embodiment 1 of the present invention. The setting menu image (2/3) displays an icon 84, an icon 85, an icon 86, and an icon 87 in order from the top. In the drawing, the rectangle of the icon 84 column indicates that the icon 84 is selected and the icon 84 column is highlighted.

  The row of icons 84 displays the ISO sensitivity setting mode. When the icon 84 is selected, the setting can be changed among AUTO, ISO 50, ISO 100, etc., which are displayed in order from the left side. The row of icons 85 displays a setting mode for still image shooting with sound. When the icon 85 is selected, it is possible to change a setting that enables a still image containing a sound for several seconds to be taken. The row of icons 86 displays a setting mode for continuous operation of AF (Auto Focusing). When the icon 86 is selected, it is possible to change the setting for whether or not the AF is always operated without pressing the shutter button halfway. The row of icons 87 displays digital zoom settings. When the icon 87 is selected, it is possible to change the setting for enlarging and photographing an image by digital zoom in addition to the optical zoom.

  FIG. 12C shows a shooting mode setting menu image (3/3) displayed third in the digital camera according to Embodiment 1 of the present invention. The setting menu image (3/3) displays an icon 88 and an icon 89 in order from the top. In the figure, the row of icons 89 surrounded by a rectangle indicates that the icon 89 is selected and the row of icons 89 is highlighted.

  The row of icons 88 displays the brightness setting mode of the liquid crystal monitor LCD. When the icon 88 is selected, the setting for adjusting the brightness of the liquid crystal monitor LCD in several stages can be changed. The row of icons 89 displays the operation sound setting mode. When the icon 89 is selected, it is possible to change the setting for increasing or decreasing the operation sound.

  Next, when the user reproduces an electrical image signal that has already been stored, the photographing / reproduction mode switching lever 71 is set to the reproduction mode. When the user presses the MENU button 72 while the digital camera 1 is in the playback mode, the LCD monitor LCD iconizes the setting items that can be changed by the user in the playback mode based on a command from the image display control unit 58. Display the settings menu image.

  FIGS. 13A and 13B are setting menu images displayed on the liquid crystal monitor LCD in the playback mode of the digital camera according to Embodiment 1 of the present invention. The digital camera 1 according to the first embodiment has a two-screen setting menu image in the playback mode.

  FIG. 13A shows a playback mode setting menu image (1/2) displayed first of the digital camera according to Embodiment 1 of the present invention. The setting menu image (1/2) displays an icon 90, an icon 91, and an icon 92 in order from the top. In the drawing, the row of icons 90 is surrounded by a rectangle, indicating that the icon 90 is selected and the row of icons 90 is highlighted.

  The row of icons 90 displays the protection setting mode for the recorded photographed image. When the icon 90 is selected, a single image setting for setting one still image to be non-changeable / erasable, a multi-setting for setting a plurality of still images to be non-changeable / erasable, and changing all still images / The setting can be changed between all cancellations set to be erasable. The row of icons 91 displays a DPOF setting mode in which information such as an image to be printed and the number of prints is written on the card. When the icon 91 is selected, it is possible to change settings such as how many images are printed. The row of icons 92 displays a slide show (automatic playback) setting mode. It is possible to set so that the specified images in the card can be continuously viewed automatically.

  FIG. 13B shows a playback mode setting menu image (2/2) displayed second in the digital camera according to Embodiment 1 of the present invention. The setting menu image (2/2) displays an icon 93 and an icon 94 in order from the top. In the drawing, the row of icons 93 is surrounded by a rectangle to indicate that the icon 93 is selected and the row of icons 93 is highlighted.

  The row of icons 93 displays an after-recording setting mode in which a sound for a few seconds later is added to the captured image. When the icon 93 is selected, the setting for enabling recording with the built-in microphone can be changed. The column of the icon 94 displays an execution mode for initializing a card that is a removable memory. When the icon 94 is selected, the setting for deleting all data in the card can be changed.

  Hereinafter, an operation method for changing the content of the shooting mode setting will be described. In the digital camera 1, the user can perform two operations for changing the contents of the shooting mode setting.

  First, an operation for changing the content of the shooting mode setting using the cross operation key 73 will be described. When the user presses the MENU button 72 in the shooting mode, the microcomputer 49 controls the image display control unit 58 to display the shooting mode setting menu image (1/3) shown in FIG. The white balance setting item of the icon 80 is highlighted. Here, when the user presses the left and right arrow keys of the cross operation key 73, the microcomputer 49 selects conditions under AUTO, clear sky, cloudy, incandescent light environment, etc., and changes the setting contents. Accept.

  Further, when the user presses the down arrow key of the cross operation key 73, the microcomputer 49 controls the image display control unit 58 to scroll the icons 81, 82, and 83 in the downward direction in order. The microcomputer 49 permits the contents of the setting items selected by scrolling to be changed. When the user further presses the cross operation key 73 to scroll further down from the icon 83, the microcomputer 49 controls the image display control unit 58 to display the shooting mode setting menu image shown in FIG. (2/3) is displayed on the liquid crystal monitor LCD, and the ISO sensitivity item of the icon 84 is highlighted.

  When the user presses the down arrow key of the cross operation key 73 to scroll downward, the microcomputer 49 controls the image display control unit 58 to display the shooting mode setting menu image (3/3) shown in FIG. 3) is displayed on the liquid crystal monitor LCD, and the contents of the item related to the brightness of the liquid crystal of the icon 88 are highlighted. Furthermore, when the user presses the down arrow key of the cross operation key 73 to scroll downward, the microcomputer 49 controls the image display control unit 58 to display the first shooting mode setting menu image (1/3). ) Is displayed on the LCD monitor LCD. Similarly, when the user presses the up arrow key of the cross operation key 73, the microcomputer 49 controls the image display control unit 58 to scroll in the reverse direction.

  Similarly, when the user presses the MENU button 72 in the playback mode, the microcomputer 49 controls the image display control unit 58 to display the playback mode setting menu (1/2) shown in FIG. Displayed on the monitor LCD, the protection execution item of the icon 90 is highlighted. Here, when the user presses the left and right arrow keys of the cross operation key 73, the microcomputer 49 selects conditions such as one-sheet setting, multiple settings, and all cancellation. When the user presses the SET button 74 in a state where any of the conditions is selected, the microcomputer 49 changes the contents of the protection mode setting.

  In addition, when the user presses the down arrow key of the cross operation key 73, the microcomputer 49 controls the image display control unit 58 to scroll the icons 91, 92, and 93 sequentially in the downward direction. When the user presses the down arrow key of the cross operation key 73, the microcomputer 49 controls the image display control unit 58 to scroll further downward from the icon 93, as shown in FIG. A reproduction mode setting menu (2/2) is displayed on the liquid crystal monitor LCD, and an execution item for initialization of the icon 94 is highlighted. Further, when the user further scrolls downward by pressing the down arrow key of the cross operation key 73, the microcomputer 49 controls the image display control unit 58 to display the playback mode setting menu image shown first. Return to (2/2). Similarly, when the user presses the up arrow key of the cross operation key 73, the microcomputer 49 controls the image display control unit 58 to scroll in the reverse direction.

  FIG. 14 is a list showing memory allocation of the shooting mode setting menu of the digital camera according to Embodiment 1 of the present invention. FIG. 15 is a flowchart showing an operation for setting the shooting mode of the digital camera according to Embodiment 1 of the present invention. Hereinafter, an operation for changing the content of the shooting mode setting using the aperture ring 40 will be described with reference to FIGS.

  As shown in FIG. 14, icons indicating items that can be changed in the setting menu image in the shooting mode are assigned according to the rotation angle of the aperture ring 40 and stored in the memory 66 in advance. That is, the positions of [2], [2.8], [4], [5.6], [8], [11], and [AUTO] on the aperture ring 40 are sequentially assigned to the numbers [1], [ 2], [3], [4], [5], [6], and [7]. Further, the numbers [1], [2], [3], [4], [5], [6], and [7] indicate the white balance adjustment mode of the icon 80 and the number of recorded pixels of the icon 81, respectively. A setting mode, an ISO setting mode for the icon 84, a digital zoom setting mode for the icon 87, and an operation sound setting mode for the icon 89 are assigned. Also, the numbers [6] and [7] are blank and no changeable setting items are assigned.

  An operation flow for changing the contents of the shooting mode of the digital camera configured as described above will be described with reference to FIG. When the digital camera 1 is turned on and is in the shooting mode, when the user presses the MENU button 72, the microcomputer 49 controls the image display control unit 58 to display on the liquid crystal monitor LCD as shown in FIG. ) Is displayed (Step 1). When the MENU button 72 is not pressed, the microcomputer 49 waits for input.

  Next, the microcomputer 49 detects a position corresponding to the rotation angle of the aperture ring 40 based on the signal from the aperture linear sensor 41 (Step 2). For example, when the character [2] on the aperture ring 40 matches the index 33, the microcomputer 49 discriminates from the setting item assignment number [1] stored in the memory 66 based on the signal from the aperture linear sensor 41. Then, the image display control unit 58 is controlled to highlight the white balance setting mode of the icon 80 of the setting menu image (1/3) (Step 3). As a result, the digital camera 1 selects a setting item related to white balance, and is allowed to change the contents. When the user presses the left and right arrow keys of the cross operation key 73 in this state, the desired setting content is selected (Step 4), and the microcomputer 49 finalizes the setting conditions (Step 5).

  Further, in the position detection step (Step 2) corresponding to the rotation angle of the aperture ring 40, for example, when the character [4] on the aperture ring 40 and the index 33 match, the microcomputer 49 receives the signal from the aperture linear sensor 41. Based on the signal, the setting item assignment number [3] stored in the memory 66 is determined, and the image display control unit 58 is controlled to set the ISO setting item of the setting menu image (2/3) to the high setting item. Write display (Step 3). Thereby, the digital camera 1 selects the setting item related to ISO, and is allowed to change the contents. Similarly, for each position corresponding to the rotation angle of the aperture ring 40, the microcomputer 49 determines and changes the assignment number of the setting item stored in the memory 66 based on the signal from the aperture linear sensor 41. Select the setting item to be changed, and allow the contents to be changed.

  If the user presses the MENU button 72 again while changing the setting contents in the shooting mode, the microcomputer 49 immediately shifts the camera to a state in which normal shooting is possible. Although not shown in the flow, when the user presses the shutter button 63, the microcomputer 49 similarly shifts the camera to a state in which normal shooting is possible.

  Further, when the user moves the cross operation key 73 up and down, the microcomputer 49 controls the image display control unit 58 to sequentially scroll the setting items. That is, in this case, the process proceeds to an operation for changing the content of the shooting mode setting using the cross operation key 73 described above.

  According to the operation for changing the setting content of the photographing mode using the aperture ring 40 described above, the setting stored in the memory 66 in advance according to the position corresponding to the rotation angle can be performed only by rotating the aperture ring 40. It becomes possible to select an item. Therefore, for example, in the example of the flowchart described above, the user can directly shift from the white balance setting of the icon 80 to the ISO setting of the icon 84. Similarly, the user can directly switch between the setting of the number of recording pixels of the icon 81, the setting of the digital zoom of the icon 87, and the setting of the operation sound of the icon 89.

  On the other hand, when only the operation of changing the content of the shooting mode setting using the cross operation key 73 can be performed, when the white balance of the icon 80 is set and then the ISO of the icon 84 is set, the cross operation key 73 is set. It is necessary to continuously press the down arrow key to scroll the icons 81, 82, 83 to select ISO of the icon 84.

  Next, an operation method for changing the content of the playback mode setting will be described. In this digital camera 1, the user can perform an operation of changing the contents of two types of playback mode settings using the cross operation key 73 and the aperture ring 40, as in the case of the shooting mode. Of these, the operation for changing the content of the playback mode setting using the aperture ring 40 will be described.

  FIG. 16 is a list showing memory allocation of the playback mode setting menu of the digital camera according to Embodiment 1 of the present invention. As shown in FIG. 16, icons indicating items that can be changed in the setting menu image in the playback mode are assigned according to the rotation angle of the aperture ring 40 and stored in the memory 66 in advance.

  That is, the positions of [2], [2.8], [4], [5.6], [8], [11], and [AUTO] on the aperture ring 40 are sequentially assigned to the numbers [1], [ 2], [3], [4], [5], [6], and [7]. Further, numbers [1], [2], and [3] are assigned in order to a protection setting mode for the icon 90, a slide show setting mode for the icon 92, and a post-record setting mode for the icon 93, respectively. Also, the numbers [4] to [7] are blank and no changeable setting items are assigned.

  FIG. 17 is a flowchart showing an operation for setting the playback mode of the digital camera according to Embodiment 1 of the present invention. Hereinafter, an operation for changing the content of the playback mode setting using the aperture ring 40 will be described with reference to FIG.

  When the digital camera 1 is turned on and in the playback mode, when the user presses the MENU button 72, the microcomputer 49 controls the image display control unit 58 to display on the liquid crystal monitor LCD as shown in FIG. (2) is displayed (Step 1). When the MENU button 72 is not pressed, the microcomputer 49 waits for input.

  Next, the microcomputer 49 detects a position corresponding to the rotation angle of the aperture ring 40 based on the signal from the aperture linear sensor 41 (Step 2). For example, when the character [2] on the aperture ring 40 matches the index 33, the microcomputer 49 discriminates from the setting item assignment number [1] stored in the memory 66 based on the signal from the aperture linear sensor 41. Then, the image display control unit 58 is controlled to highlight the protection setting mode of the icon 90 of the setting menu image (1/2) (Step 3). As a result, the digital camera 1 selects a setting item related to protection, and is allowed to change the contents. When the user presses the left and right arrow keys of the cross operation key 73 in this state, the desired setting content is selected (Step 4), and the microcomputer 49 executes the setting (Step 5).

  Further, in the position detection step (Step 2) corresponding to the rotation angle of the aperture ring 40, for example, when the character [4] on the aperture ring 40 and the index 33 match, the microcomputer 49 receives the signal from the aperture linear sensor 41. Based on the signal, the setting item assignment number [3] stored in the memory 66 is determined, and the image display control unit 58 is controlled to set the post-recording setting item of the icon 93 of the setting menu image (2/2) to high. Write display (Step 3). As a result, the digital camera 1 performs a process of selecting a setting item relating to the post-recording and accepting an audio input for the still image. Similarly, for each position corresponding to the rotation angle of the aperture ring 40, the microcomputer 49 determines and changes the assignment number of the setting item stored in the memory 66 based on the signal from the aperture linear sensor 41. Select the item to be set, and execute the contents processing.

  According to the operation for changing the content of the setting of the reproduction mode using the aperture ring 40 described above, the setting stored in the memory 66 in advance according to the position corresponding to the rotation angle can be performed only by rotating the aperture ring 40. It becomes possible to select an item. Therefore, for example, in the example of the flowchart described above, the user can directly shift from the protection setting of the icon 90 to the after-recording setting of the icon 93. Similarly, the user can directly switch between the slide show setting of the icon 92, the protection setting of the icon 90, and the post-recording setting of the icon 93.

  On the other hand, when only the operation of changing the content of the playback mode setting using the cross operation key can be performed, the protection of the icon 90 is set, and the next time the dubbing of the icon 93 is set, the bottom of the cross operation key 73 is set. It is necessary to continuously press the arrow key, scroll the icons 91 and 92, and select the after-recording of the icon 93.

  As described above, in the digital camera according to the first embodiment, the user can easily select the item whose contents should be changed in the setting of the shooting mode and the playback mode by rotating the aperture ring 40. . Therefore, compared with the conventional case where the operation for changing the setting contents is performed only by using the cross operation key, the user operability is better and it is possible to cope with a sudden change in the setting contents. Is possible. In addition, since the aperture ring 40 has a configuration arranged in the lens barrel 46, no new space or parts are required for the arrangement of the operation member.

  In addition, since the digital camera according to the first embodiment displays the setting items on the liquid crystal monitor LCD, the user operates while confirming the items presented on the liquid crystal monitor LCD when rotating the aperture ring 40. Can do. Therefore, the operation of the aperture ring 40 can be performed reliably.

  The digital camera according to the first embodiment also uses the left and right arrow keys of the cross operation key 73 in the shooting mode and the left and right arrow keys of the cross operation key 73 in the reproduction mode in order to change the content of the item selected by the user. In addition, since the SET key 74 is used, the user can reliably change the contents of the setting item selected by the rotation operation of the aperture ring 40 by using these operation members.

  In addition, since the digital camera according to the first embodiment includes the MENU button 72, the setting item can be prevented from being selected by an unintended rotation operation of the aperture ring 40, and the aperture value can be set to the original aperture value. Can be used for setting.

  Further, since the digital camera according to the first embodiment includes the shooting / playback mode switching lever 71, when the user rotates the aperture ring 40 in a state where the shooting mode can be set, the digital camera is directly related to the shooting mode. Items related to shooting can be selected. In addition, since the digital camera according to the first embodiment includes the shooting / playback mode switching lever 71, if the user rotates the aperture ring 40 in a state where the shooting mode cannot be set, the original aperture value is changed. Can be executed.

  In addition, since the digital camera according to the first embodiment includes the shooting / playback mode switching lever 71, when the user rotates the aperture ring 40 in a state where the playback mode can be set, the digital camera is directly related to the playback mode. Items related to playback can be selected.

  In addition, the digital camera according to the first embodiment is provided with a click ball for discretely fixing the diaphragm ring 40 at a predetermined angle, and the click ball provides a click feeling. Can be selected.

Note that the types and order of items stored in the memory 66 according to the rotation angle of the aperture ring 40 described in the first embodiment are examples, and the order may be changed or other items may be assigned. Needless to say.
Further, the function of selecting items related to shooting or reproduction by the aperture ring 40 can be disabled by the user.

(Embodiment 2)
Next, a digital camera according to Embodiment 2 of the present invention will be described. Since the digital camera according to the second embodiment has the same general configuration as the digital camera 1 according to the first embodiment, only different parts will be described.

  FIG. 18 is a list showing memory allocation of the shooting mode setting menu of the digital camera according to Embodiment 2 of the present invention. FIG. 19 is a flowchart showing operations for setting the playback mode of the digital camera according to Embodiment 2 of the present invention.

  The digital camera according to Embodiment 2 can freely customize the order and type of setting items according to the rotation angle of the aperture ring 40 by the user. Further, the transition to the customization mode for the user to customize can be performed by rotating the aperture ring 40. As shown in FIG. 18, the digital camera according to Embodiment 2 shifts to the customization mode when the user matches the character [A] on the aperture ring 40 with the index 33.

  An operation flow for setting the shooting mode items of the digital camera according to the second embodiment will be described with reference to FIG. When the digital camera is turned on and in the shooting mode, when the user presses the MENU button 72, the microcomputer 49 controls the image display control unit 58 to display on the liquid crystal monitor LCD as shown in FIG. A setting mode image (1/3) of the shooting mode shown in FIG. 3 is displayed (Step 1). When the MENU button 72 is not pressed, the microcomputer 49 waits for input.

  Next, when the user moves the character [A] on the aperture ring 40 to the index 33 in order to shift to the customization mode, the microcomputer 49 is in the customization mode based on the output of the aperture linear sensor 41. This is detected (Step 2). If the letter [A] on the aperture ring 40 does not match the index 33, the microcomputer 49 returns from the customization mode to the normal shooting mode setting.

  When it is detected that the microcomputer 49 is in the customization mode, the microcomputer 49 accepts customization of the aperture ring 40 by the user. Here, as an example, an operation of assigning the white balance setting mode of the icon 80 to the position of the character [2] on the aperture ring 40 will be described.

  When the user aligns the character [2] on the aperture ring 40 with the index 33, the microcomputer 49 accepts input of items assigned to the number [1] with the character [2] as the number [1] on the memory ( Step 3). Next, the microcomputer 49 controls the image display control unit 58 to display the shooting mode setting menu image (1/3) on the liquid crystal monitor LCD. In this state, the microcomputer 49 controls the icons of the shooting mode setting menu to be scrolled when the user presses the up and down arrow keys of the cross operation key 73. When assigning the white balance setting mode of the icon 80 to the position of the character [2] on the aperture ring 40, the microcomputer 49 controls the white balance of the icon 80 by operating the up and down arrow keys of the cross operation key by the user. The setting mode is highlighted (Step 4). When the user presses the SET button 74, the microcomputer 49 determines to assign the white balance setting mode of the icon 80 to the number [1] of the memory 66 that is the position of the character [2] on the aperture ring 40. (Step 5). The confirmed items are stored in the memory 66 by the microcomputer 49.

  Next, when the user continues the customization mode, the processing from (Step 3) to (Step 5) is continuously performed. As shown in FIG. 18, the digital camera according to the second embodiment has the numbers [1], [2], [3], [4], [5], [6], [7] as a result of customization. Are, in order, the white balance adjustment mode of the icon 80, the recording pixel number setting mode of the icon 81, the spot mode setting mode of the icon 83, the ISO setting mode of the icon 84, the digital zoom setting mode of the icon 87, and the icon 89. These operation sound setting modes are assigned and stored in the memory 66. When the user finishes customization, the character [A] on the aperture ring 40 is matched with the index 33 again. When the microcomputer 49 detects again that the character [A] on the aperture ring 40 matches the index 33 based on the output of the aperture linear sensor 41, the microcomputer 49 ends the customization mode and returns to the normal shooting menu setting mode. Transition.

  The digital camera according to the second embodiment is characterized in that the transition to the customization mode and the return from the customization mode are performed at a position where the character [A] on the aperture ring 40 matches the index 33. Have.

  That is, in the digital camera of the second embodiment, since the aperture ring 40 has the aperture mode switching button 34, the user presses the aperture mode switching button 34 on the aperture ring 40 in order to shift to the customization mode. It is necessary to intentionally operate the character [A] so as to match the index 33. Therefore, the digital camera according to the second embodiment does not shift to an unintended customization mode by a normal user operation. Further, the digital camera according to the second embodiment is not rotated by an operation not intended by the user by the aperture mode switching button 34 while the customization mode is set.

  Since the customization mode does not frequently change the setting contents, the position of matching the character [A] on the aperture ring 40 mechanically locked with the index 33 as in the digital camera according to the second embodiment. It is desirable to be set to.

  Note that customization of setting items in the playback mode can be performed in the same manner as in the shooting mode.

  Further, the order and type of setting items to be assigned are not limited to those described in the present embodiment, and it goes without saying that they can be freely customized.

  The shooting mode setting items customized using the aperture ring 40 can be used as different setting items for a plurality of users. FIG. 20 is a shooting mode setting menu image (3/3) displayed third in the digital camera according to the modification of the second embodiment of the present invention. As shown in FIG. 20, in the shooting mode setting menu image (3/3) in FIG. 20, the digital camera according to the modification of the second embodiment of the present invention has the user 1 and user stored as a table in the memory 66. 2. User 3 can be selected. Here, when the user selects the user 1, the microcomputer 49 performs control to call the setting items customized in advance by the user 1 and stored in the memory 66. The digital camera according to the modification of the second embodiment can cope with multi-users and can save the trouble of changing the customization setting every time the digital camera is used.

Furthermore, it may be used as a scene selector or a mode selector instead of multi-user support. For example, in the shooting mode, there is a “night scene shooting” mode that always includes white balance setting and ISO sensitivity setting, and a “sport” mode that always includes spot mode setting and AF continuous operation setting. It is done.

  In addition, when shifting to the customization menu according to the second embodiment, the character [A] on the aperture ring 40 is set to the index 33, but the mode is switched to the customization mode separately in the shooting mode operation menu. The same effect can be obtained by providing an operation button or an operation button on the digital camera 1.

  As described above, since the digital camera according to the second embodiment includes a rewritable memory, items to be set can be customized by the user. Therefore, it is possible to instantaneously select an item for which the user should frequently change the setting contents personally.

  As described above, in the digital camera according to the second embodiment, since the memory stores a plurality of items for one rotation angle of the aperture ring, a plurality of set items can be customized. Accordingly, it is possible to instantaneously select items for which each user should frequently change the contents of the settings personally. In addition, as a scene selector or a mode selector, it is possible to change items to be changed according to the situation.

(Embodiment 3)
Each of the embodiments described above is an example applied to a camera in which all the included components are integrally arranged, but the present invention is not limited to these. For example, in the present invention, an imaging device including a lens barrel that holds a photographing optical system and an imaging sensor, such as a surveillance camera system and a Web camera, and a control device that controls the imaging device are configured separately. It can also be applied to the system.

  When applied to the above system, a control unit corresponding to the microcomputer described in each embodiment is included on the control device side. Therefore, in the above system, the output of the aperture linear sensor that detects the rotation angle of the aperture ring provided in the lens barrel is input to the control unit on the control device side, and the setting items to be changed on the control device side are What is necessary is just to set it as the structure which selects. In this case, the same effect can be obtained.

  As another example, the present invention can also be applied to a system in which a lens barrel that holds an imaging optical system and a camera body that includes an imaging sensor are configured separately, such as a single-lens reflex camera system.

  When applied to the above-described system, a control unit corresponding to the microcomputer described in each embodiment is included in the camera body. Therefore, in the above system, the output from the aperture linear sensor that detects the rotation angle of the aperture ring provided in the lens barrel is input to the control unit such as the microcomputer of the camera body, and the setting to be changed on the camera body side The item may be selected. In this case, the same effect can be obtained.

(Other embodiments)
The embodiment of the present invention described above is not limited to a specific aspect of the content, and can be appropriately changed. For example, in this embodiment, when detecting the absolute angle of the aperture ring, a linear sensor having a slider is used. However, a linear sensor using a contact brush and a conductive pattern may be used. Further, instead of the linear sensor, a rotary encoder that detects the rotation amount may be used.

  Further, the number of steps of the rotation angle of the aperture ring is not limited to the number of steps for each 1 AV described in the present embodiment. For example, the number of steps is assigned by setting the number of steps for each 1/2 AV or 1/3 AV. Needless to say, it is possible to increase the number of icons.

  In the present embodiment, the operation has been described using the aperture ring. However, the function may be assigned to the focus ring.

  In this embodiment, in switching between auto and manual modes of focus and aperture, the ring is rotated while pressing the switch button when switching to either mode. However, the present invention is not limited to this configuration.

  In the embodiment, the zoom ring is manually rotated. However, the zoom ring may be a power zoom driven by a motor using the same configuration as the focus ring of the embodiment. .

  The present invention can provide a camera excellent in operability of the setting menu of the shooting / playback mode. In addition, by applying the lens barrel and the imaging device of the present invention to mobile devices such as a mobile phone terminal and a PDA (Personal Digital Assist), a digital camera with good operability can be provided for these devices. .

1 is a top view of a digital camera according to Embodiment 1 of the present invention. 1 is a rear view of a digital camera according to Embodiment 1 of the present invention. (A) is an expanded view of the outer peripheral surface of the aperture ring according to Embodiment 1 of the present invention, and (b) is an expanded view of the inner peripheral surface of the aperture ring according to Embodiment 1 of the present invention. Sectional drawing of the lens barrel which concerns on Embodiment 1 of this invention Sectional drawing which shows the coupling | bonding of the aperture ring and aperture linear sensor which concern on Embodiment 1 of this invention (A) is a circuit diagram of the lens barrel diaphragm linear sensor according to the first embodiment of the present invention, and (b) is a graph showing the output of the lens barrel diaphragm linear sensor according to the first embodiment of the present invention. The graph which shows the relationship between the rotation angle of the aperture ring which concerns on Embodiment 1 of this invention, and the output value of an aperture linear sensor (A) is a schematic cross-sectional view when the aperture ring according to Embodiment 1 of the present invention is in the first stop position, and (b) is the first diagram of the aperture ring according to Embodiment 1 of the present invention. FIG. 4C is a schematic cross-sectional view when the stop ring is between the stop position and the second stop position, and FIG. 5C is a schematic cross-sectional view when the aperture ring according to Embodiment 1 of the present invention is at the second stop position. FIG. 6 is a schematic diagram for explaining the effect of the rotation operation of the aperture ring according to the first embodiment of the present invention. Fig. 3 is a development view of the outer peripheral surface of the focus ring according to Embodiment 1 of the present invention. 1 is a block diagram showing a control system for a digital camera according to Embodiment 1 of the present invention. (A) is a shooting mode setting menu image (1/3) displayed first of the digital camera according to Embodiment 1 of the present invention, and (b) is a digital image according to Embodiment 1 of the present invention. The second shooting mode setting menu image (2/3) (c) displayed on the camera is the third shooting mode setting menu image (3) displayed on the digital camera according to Embodiment 1 of the present invention. / 3) (A) is the playback mode setting menu image (1/2) displayed first of the digital camera according to Embodiment 1 of the present invention, and (b) is the digital image according to Embodiment 1 of the present invention. Playback mode setting menu image displayed second on the camera (2/2) List showing the memory allocation of the shooting mode setting menu of the digital camera according to the first embodiment of the present invention 7 is a flowchart showing an operation for setting a shooting mode of the digital camera according to the first embodiment of the present invention. Table showing the memory allocation of the playback mode setting menu of the digital camera according to the first embodiment of the present invention 7 is a flowchart showing an operation for setting a playback mode of the digital camera according to the first embodiment of the present invention. List showing the memory allocation of the shooting mode setting menu of the digital camera according to the second embodiment of the present invention 7 is a flowchart showing an operation for setting a playback mode of the digital camera according to the second embodiment of the present invention. Shooting mode setting menu image (3/3) displayed third in the digital camera according to the modification of the second embodiment of the present invention.

Explanation of symbols

BD Main body TL Imaging device L Imaging optical system 1 Digital camera 2 Lens unit 22 Aperture unit 26 Zoom ring 29 Filter mount 32 Focus ring 33 Index 36 Ring fixing frame 40 Aperture ring 41 Aperture linear sensor 42 Aperture ring cam groove 43 Aperture mode switching Button 46 Lens barrel 49 Microcomputer 60 Zoom control unit 61 Focus control unit 62 Aperture control unit 63 Shutter button 64 Shutter speed setting dial 65 Shutter control unit 70 Power button 71 Shooting / playback switching lever 72 MENU button 73 Cross operation key 74 SET Buttons 80 to 89 Shooting mode icons 90 to 94 Playback mode icons 95 User switching icons

Claims (15)

A camera that allows the user to change the settings,
A lens barrel that holds a photographing optical system that forms an optical image of the subject; and an imaging sensor that can convert the optical image of the subject formed by the photographing optical system into an electrical image signal. An imaging device;
Control means,
The lens barrel is
A first operating member having a cylindrical shape coaxial with the optical axis of the photographing optical system and capable of being manually rotated by a user;
Rotation angle detecting means for outputting a signal corresponding to the rotation angle of the first operating member;
The control unit is a camera that selects an item whose setting is to be changed based on a signal output from the rotation angle detection unit.   The camera according to claim 1, further comprising presentation means for presenting the item whose setting content is to be changed to a user.   The camera according to claim 2, wherein the presenting unit is a display device.   The camera according to claim 1, further comprising a second operation member that is operated to change a content of the item selected by the control unit.   The camera according to claim 1, further comprising a third operation member that is operated to permit the user to change the setting contents. A fourth operating member that is operated to enter a photographing mode for acquiring a new electrical image signal;
In the photographing mode, when the change of the setting content by the user is permitted by the third operating member, the control means is configured to take the item related to photographing based on an output from the rotation angle detecting means. The camera according to claim 5, wherein the selection is performed. A fourth operating member that is operated to enter a photographing mode for acquiring a new electrical image signal;
In the photographing mode, when the third operation member does not allow the user to change the setting content, the control unit is configured to output the photographing optical system based on an output from the rotation angle detecting unit. The camera according to claim 5, wherein any one of a focal length, an aperture value of the photographing optical system, and an object distance of the photographing optical system is changed. A fourth operating member that is operated to enter a reproduction mode for reproducing the image signal acquired in advance;
In the playback mode, when the change of the setting content by the user is permitted by the third operation member, the control unit is configured to control the item related to playback based on an output from the rotation angle detection unit. The camera according to claim 5, wherein the selection is performed.   The camera according to claim 1, further comprising storage means for storing the item selected by the control means based on registration by a user.   The camera according to claim 9, wherein the storage unit stores a plurality of the items for one rotation angle.   The camera according to claim 1, wherein the first operation member is discretely fixed at a predetermined rotation angle.   The camera according to claim 1, wherein the first operation member is lockable at a predetermined rotation angle and includes a fifth operation member for releasing the lock. An imaging device used by being connected to a control device capable of changing the contents of settings by a user,
A lens barrel that holds a photographing optical system that forms an optical image of the subject;
An imaging sensor capable of converting an optical image of the subject formed by the imaging optical system into an electrical image signal;
The lens barrel is
A first operating member having a cylindrical shape coaxial with the optical axis of the photographing optical system and capable of being manually rotated by a user;
Rotation angle detection means for outputting a signal corresponding to the rotation angle of the first operating member,
An imaging apparatus capable of selecting the item for setting to change the content of the connected control device based on an output from the rotation angle detection means. A lens barrel used by being connected to a camera body that can be changed by a user.
An imaging optical system that forms an optical image of the subject;
A first operating member having a cylindrical shape coaxial with the optical axis of the photographing optical system and capable of being manually rotated by a user;
Rotation angle detection means for outputting a signal corresponding to the rotation angle of the first operating member,
The camera body is
An imaging sensor capable of converting an optical image of a subject formed by the imaging optical system into an electrical image signal;
Control means controlled based on a signal input from the outside,
A lens barrel that causes the control means to select the item whose setting content should be changed by causing the control means to input an output from the rotation angle detection means. A camera body that is used in connection with a lens barrel and can be changed by a user.
The lens barrel is
An imaging optical system that forms an optical image of the subject;
A first operating member that is cylindrical and coaxial with the optical axis of the imaging optical system, and can be manually rotated by a user;
Rotation angle detection means for outputting a signal corresponding to the rotation angle of the first operating member,
The camera body is
An imaging sensor capable of converting an optical image of a subject formed by the imaging optical system into an electrical image signal;
A camera body comprising: a control unit that receives an output from the rotation angle detection unit and selects the item for which the setting content is to be changed in the control unit based on the output.

Images