JP5209517B2 - Viewfinder system and imaging apparatus having the same - Google Patents

Description

  The present invention relates to a viewfinder system for observing an object image displayed on a display unit, and an imaging apparatus including the viewfinder system.

  Conventionally, when a finder image shot at the field of view with the shortest focal length (wide angle side) of the photographic lens is displayed with a shooting frame representing the outer edge of the shooting range, and parallax occurs during close-up shooting Has disclosed a method of shifting the photographing frame by the amount corresponding to the parallax and displaying it on a monitor (Patent Document 1).

  In the technique of Patent Document 1, the shooting frame may be significantly smaller than the viewfinder image or the center may be difficult to see, and it may be difficult to check the shooting range.

Therefore, there is known a technique in which a range larger than the shooting range including the center is displayed on the finder, a shooting range frame is displayed, and the finder frame is determined according to the focal length (Patent Document 2).
JP 2001-53992 A JP 2007-267205 A

  However, the technique described in Patent Document 1 has a problem that it is difficult to adjust the composition and focus during shooting.

  The present invention has been made in view of these problems of the prior art, and an object of the present invention is to provide a viewfinder system that can easily perform framing, easily check the movement of a subject, and easily shoot. And an imaging apparatus including the same.

A viewfinder system according to an embodiment of the present invention includes:
A through image display unit for displaying a real-time through image;
A viewfinder having the through image display unit;
In viewfinder system with
The through image display unit can display a shooting range representing a range of images to be shot among displayed images,
The imaging range with respect to the through image Ri changeable der,
The following formula (1) is satisfied,
I = Td / Pd × 100 ≧ 100 (1)
Where I is the display rate (%), Td is the through image width, Pd is the shooting range width,
Operating means for operating a display rate of a through image with respect to the shooting range;
Display designation means for designating the display rate;
Display control means for controlling the display rate of the through image with respect to the shooting range of the through image display unit in accordance with the display rate designated by the display designating means;
With
The display control unit changes a display rate of the through image with respect to the shooting range of the through image display unit to a predetermined value in accordance with an operation of the operation unit,
When the operation of the operation means is finished, the display control means returns the display rate to the state before the operation of the operation means.
It is characterized by that.

  According to the present invention, since it is possible to view an image outside the shooting range, it is possible to obtain a viewfinder system that can be easily framed and shot, and an imaging apparatus including the viewfinder system.

It is a figure showing an imaging device concerning an embodiment of the present invention. 1 is a system block diagram of a viewfinder system according to the present invention. 1 is a system block diagram of a first embodiment of a viewfinder according to the present invention. It is a figure which shows the state of the display rate of 110% of the through image display part T of 1st Embodiment of the viewfinder system which concerns on this invention. It is a figure which shows the state of the display rate 200% of the through image display part T of 1st Embodiment of the viewfinder system which concerns on this invention. It is a system block diagram of 2nd Embodiment of the viewfinder which concerns on this invention. It is a figure which shows the state of 100% of the display rate of the through image display part T of 2nd Embodiment of the viewfinder system which concerns on this invention. It is a figure which shows the state of the display rate of 150% of the through image display part T of 2nd Embodiment of the viewfinder system which concerns on this invention. It is a figure which shows the state which performed the image process to the reference part Pr except the imaging | photography range P among through images. It is a system block diagram of 3rd Embodiment of the viewfinder which concerns on this invention. It is a figure which shows the through image display part T of 3rd Embodiment. It is a system block diagram of 4th Embodiment of the viewfinder which concerns on this invention. It is a system block diagram of 5th Embodiment of the viewfinder which concerns on this invention. It is a figure which shows the through image display part T of 5th Embodiment. It is a figure which shows the through image display part T of 5th Embodiment. It is a system block diagram of 6th Embodiment of the viewfinder which concerns on this invention. It is a system block diagram which combined all the 1st-6th embodiment of the viewfinder which concerns on this invention. It is a figure which shows the structure of the digital camera which is an example of the imaging device of this invention. It is a figure which shows the structure at the time of applying the imaging device of this invention to a silver salt camera.

  The viewfinder system of the present embodiment and an image pickup apparatus including the viewfinder system will be described below.

  The viewfinder system of the present embodiment is a viewfinder system including a through-image display unit that displays a real-time through-image and a viewfinder that has a through-image display unit. A shooting range representing the range of the image to be shot can be displayed, and the shooting range for the through image can be changed.

  With such a configuration, the photographer can view an image outside the photographing range on the through image display unit. For example, when the subject is moving, the photographer can easily grasp the timing when the subject enters the shooting range from outside the shooting range. As a result, framing can be easily performed. In addition, the subject can be easily photographed during the framing. In addition, when the subject is a landscape, it is possible to easily determine the range of the landscape to be photographed. The shooting range is a range of an image that is actually recorded when shooting is performed.

Moreover, it is preferable that the following formula (1) is satisfied.
I = Td / Pd × 100 ≧ 100 (1)
Where I is the display rate (%)
Td is the through image width,
Pd is the shooting range width,
It is.

  When the expression (1) is satisfied, it is possible to view the shooting range and the outside of the shooting range as a through image. For example, when shooting is performed using the moving destination of the subject as a shooting range, the subject can be confirmed before entering the shooting range. Therefore, the subject can be easily photographed when the subject enters the photographing range.

  Further, it is preferable to include a display designating unit that designates the display rate, and a display control unit that controls the display rate of the through image with respect to the shooting range of the through image display unit according to the display rate designated by the display designating unit. .

  By specifying the display rate according to the shooting situation, it is possible to change the shooting range and outside the shooting range. For example, the outside of the shooting range can be changed according to the size of the subject and the moving speed of the subject. Therefore, since it becomes easy to confirm the movement of the subject outside the photographing range, the subject can be easily photographed.

  The display designating unit preferably includes a display rate designating unit for designating a display rate of the through image display unit with respect to the shooting range.

  In this way, the display rate can be designated according to the shooting situation.

  The display control means preferably includes display rate control means for controlling the display rate of the through image with respect to the shooting range of the through image display unit in accordance with the display rate specified by the display rate specifying means.

  In this way, it is possible to see the shooting range and the outside of the shooting range with the specified display rate. For example, the outside of the shooting range can be changed according to the size of the subject and the moving speed of the subject. Therefore, since it becomes easy to confirm the movement of the subject outside the photographing range, the subject can be easily photographed.

  The display designating unit preferably includes a pixel number designating unit that designates the number of pixels of an image to be displayed on the through image display unit with respect to the number of pixels in the photographing range.

  In this way, the number of pixels can be specified according to the shooting situation.

  The display control means preferably includes pixel number control means for controlling the number of pixels of the through image with respect to the photographing range of the through image display unit in accordance with the number of pixels designated by the pixel number designation means.

  In this way, it is possible to see the shooting range and the outside of the shooting range with the designated number of pixels. Therefore, since it becomes easy to confirm the movement of the subject, the subject can be easily photographed.

  The display control means preferably displays the number of pixels of the through image with respect to the maximum number of pixels in the shooting range of the through image display unit.

  In this way, it is possible to grasp the ratio of the displayed through image to the shooting range.

  In addition, it is preferable to reduce the resolution of an image outside the imaging range.

  This makes it easy to grasp the shooting range.

  Further, it is preferable to apply processing to an image outside the photographing range.

  If you do this. This makes it easy to grasp the shooting range.

  In addition, it is preferable to make the image outside the shooting range black and white.

  This makes it easy to grasp the shooting range.

  Moreover, it is preferable to provide an operation means for operating the display rate of the through image with respect to the shooting range.

  In this way, the shooting range can be easily manipulated.

  Further, it is preferable that the display control means changes the display ratio of the through image with respect to the photographing range of the through image display unit to a predetermined value in accordance with the operation of the operation means.

  In this way, a predetermined shooting range can be easily operated.

  The display control means preferably returns the display rate to the state before the operation of the operation means when the operation of the operation means is completed.

  In this way, the photographing range can be easily returned to the state before the operation.

  In addition, it is preferable to include a storage unit that stores data of a shooting range of the through image display unit and a reference portion outside the shooting range.

  In this way, it is possible to check an image outside the shooting range even after shooting.

  In addition, it is preferable to include an AF control unit that changes the AF position according to the shooting range of the through image display unit.

  In this way, since AF is performed within the shooting range, shooting is easy.

  In addition, it is preferable that an AF control unit that changes the AF position is provided in a reference portion outside the photographing range of the through image display unit.

  In this way, for example, focusing can be performed before a moving shooting target (subject) enters the shooting range, that is, outside the shooting range. Therefore, shooting can be performed easily.

  In addition, it is preferable to include AE control means for changing the photometry point in accordance with the range of the through image display unit.

  In this way, since the photometric point is within the photographing range, photographing is easy.

  In addition, it is preferable to include an AE control means for changing the photometric point at a reference portion outside the photographing range of the through image display unit.

  In this way, it is possible to perform photometry before a moving shooting target enters the shooting range, that is, outside the shooting range. Therefore, shooting can be performed easily.

  Furthermore, it is preferable to provide the viewfinder system in the imaging apparatus.

  In this way, shooting is facilitated and optimal shooting can be performed.

  In addition, it is preferable to include a finder lens that captures an image for the through image display unit and an imaging lens that captures and records an image for the imaging apparatus.

  In this way, the viewfinder lens and the imaging lens can be controlled separately, and photographing can be easily performed.

  Further, it is preferable to change the shooting range for the through image by zooming an imaging lens that captures and records an image for the imaging device.

  In this way, shooting can be performed easily.

  Hereinafter, a viewfinder system and an imaging apparatus including the viewfinder system will be described with reference to the drawings.

  FIG. 1 is a diagram illustrating an imaging apparatus C according to the embodiment. The imaging device C includes a main body C1 and a viewfinder V provided in the main body C1. Note that D is a rear image display element, which is arranged at a position where it can be observed from the same direction as the liquid crystal display element LCD.

  The viewfinder V is an electronic viewfinder (EVF), which includes at least a liquid crystal display element LCD, and further includes an eyepiece optical system O and an eyepiece E that are not shown. Here, the liquid crystal display element LCD is a display unit, and an image of an object is displayed on the liquid crystal display element LCD. The eyepiece optical system O is an optical system that guides an image displayed on the liquid crystal display element LCD to the eyes of the observer. Further, the eyepiece E is a portion that is viewed by an observer and is arranged on the observer side of the eyepiece optical system O.

  The liquid crystal display element LCD includes a through image display unit T on which a real-time image is displayed, and a field mask M. The through image display unit T is preferably larger than the field mask M. The through image display unit T can display a shooting range P representing a shooting range (a range of images to be recorded), and the width Pd of the shooting range P with respect to the through image can be changed.

  FIG. 2 is a system block diagram of the viewfinder system according to the present embodiment.

  As shown in FIG. 2, the viewfinder system includes a display control unit 1 and a display designation unit 2.

  The display control means 1 displays an image on the liquid crystal display element LCD. A real-time through image is displayed on the through image display portion T of the liquid crystal display element LCD.

  The display designation means 2 designates the display rate of the through image with respect to the shooting range P.

  In the viewfinder system according to the present embodiment, the display control unit 1 controls the display rate of the through image with respect to the shooting range P of the through image display unit T in accordance with the display rate designated by the display designating unit 2.

Here, the display rate I satisfies the following formula (1).
I = Td / Pd × 100 ≧ 100 (1)
Where I is the display rate (%)
Td is the through image width,
Pd is an imaging range width.

  3 is a system block diagram of the viewfinder system of the first embodiment, FIG. 4 is a diagram showing a state in which the display rate of the through image display unit T is 110%, and FIG. 5 is a display rate 200 of the through image display unit T. It is a figure which shows the state of%.

  As shown in FIG. 3, the viewfinder system of the first embodiment includes a display rate control unit 11 as the display control unit 1 and a display rate designating unit 21 as the display designating unit 2.

  The display rate designating unit 21 designates the display rate of the through image with respect to the shooting range P.

  In the viewfinder system of the first embodiment, the display rate control unit 11 controls the through image for the shooting range P of the through image display unit T according to the shooting range P specified by the display rate specifying unit 21. Note that the shooting range P need not be displayed at the center of the through image display unit T.

  As shown in FIGS. 4 and 5, the shooting range P is displayed on the through image display unit T by a dotted line L or the like. The shooting range P can be changed according to the shooting situation or the like. The outside of the dotted line L is outside the shooting range.

  FIG. 6 is a system block diagram of the viewfinder system of the second embodiment, FIG. 7 is a diagram showing a state where the display rate of the through image display unit T is 100%, and FIG. 8 is a display rate 150 of the through image display unit T. It is a figure which shows the state of%.

  As shown in FIG. 6, the viewfinder system of the second embodiment includes a pixel number control unit 12 as the display control unit 1 and a pixel number designation unit 22 as the display designation unit 2.

  The pixel number designating unit 22 designates the number of pixels in the shooting range P.

  In the viewfinder system of the second embodiment, the pixel number control unit 12 controls the number of pixels of the through image with respect to the shooting range P of the through image display unit T according to the shooting range P specified by the pixel number specifying unit 22. It is. Note that the shooting range P need not be displayed at the center of the through image display unit T.

  As shown in FIGS. 7 and 8, the shooting range P is displayed on the through image display unit T by a dotted line L or the like. The shooting range P can be changed according to the shooting situation.

  Moreover, it is preferable to have a maximum display rate display means. The maximum display rate display means displays the shooting pixel display rate with respect to the maximum number of pixels that can be shot by an image sensor (not shown).

  FIG. 9 is a diagram illustrating a state in which image processing is performed on a reference portion Pr (outside the shooting range) excluding the shooting range P in the through image.

  As shown in FIG. 9, it is preferable to perform some image processing on the reference portion Pr excluding the shooting range P in the through image. For example, it is preferable to perform image processing such as reducing the resolving power of the reference portion Pr, applying smoke or hatching to the reference portion Pr, or making the reference portion Pr a black and white image.

  FIG. 10 is a system block diagram of the viewfinder system of the third embodiment, and FIG. 11 is a diagram showing the through image display unit T.

  As shown in FIG. 10, the viewfinder system of the third embodiment includes an operation unit 23 as the display designation unit 2.

  The operation means 23 is for operating the display rate of the through image with respect to the shooting range P.

  In the viewfinder system of the third embodiment, the display control unit 1 changes the display rate of the through image with respect to the shooting range P of the through image display unit T to a predetermined value in accordance with the operation of the operation unit 23. is there. For example, as shown in FIG. 11A, when the release button is pressed from a state where the display rate is 150%, the display rate is enlarged to the size of the through image display portion T as shown in FIG. When 100% is set and the release button is released, it is preferable that the display rate returns to the state of 150% as shown in FIG.

  FIG. 12 is a system block diagram of the viewfinder system of the fourth embodiment.

  As shown in FIG. 12, the viewfinder system of the fourth embodiment includes a storage unit 31.

  The storage unit 31 stores data of the shooting range P of the through image display unit T. It should be noted that data of the reference portion Pr excluding the shooting range P is also preferably stored.

  FIG. 13 is a system block diagram of the viewfinder system of the fifth embodiment, and FIGS. 14 and 15 are diagrams illustrating the through image display unit T. FIG.

  As shown in FIG. 13, the viewfinder system of the fifth embodiment includes AF control means 32.

  As shown in FIG. 14, the AF control means 32 changes the AF position AFp in accordance with the shooting range P of the through image display unit T. 14A shows a display rate of 150%, FIG. 14B shows a display rate of 200%, FIG. 14C shows a display rate of 200%, and the shooting range P is not at the center of the through image display unit T. Is the case.

  Further, as shown in FIG. 15, the AF position AFp may be changed to the reference portion Pr excluding the shooting range P of the through image display unit T. 15A shows a case where the display rate is 200%, and FIG. 15B shows a case where the display range is 200% and the photographing range P is not at the center of the through image display unit T.

  FIG. 16 is a system block diagram of the viewfinder system of the sixth embodiment.

  As shown in FIG. 16, the viewfinder system of the sixth embodiment includes AE control means 33.

  As in the fifth embodiment, the AE control means 33 changes the photometric point AEp in accordance with the photographing range P of the through image display unit T as shown in FIG. 14A shows a display rate of 150%, FIG. 14B shows a display rate of 200%, FIG. 14C shows a display rate of 200%, and the shooting range P is not at the center of the through image display unit T. Is the case.

  Similarly to the fifth embodiment, as shown in FIG. 15, the photometric point AEp may be changed to the reference portion Pr excluding the shooting range P of the through image display unit T. 15A shows a case where the display rate is 200%, and FIG. 15B shows a case where the display range is 200% and the photographing range P is not at the center of the through image display unit T.

  FIG. 17 is a system block diagram in which all the viewfinder systems of the first to sixth embodiments are combined.

  As shown in FIG. 17, the viewfinder systems of the first to sixth embodiments can be combined. In addition, when combining, it is not necessary to combine all, and it is possible to combine in various combinations.

  Moreover, it is preferable to provide a viewfinder system in an imaging device.

  FIG. 18 is a diagram illustrating a configuration of a digital camera that is an example of the imaging apparatus of the present invention. In FIG. 18, reference numeral 110 denotes a digital camera that is an image pickup apparatus, and includes an image pickup optical system 101, a filter 102, an image pickup element 103, a controller 104, a built-in memory 105, an electronic viewfinder 106, and an interface 107. Has been.

  In the imaging apparatus, the imaging optical system 101 includes a plurality of optical elements (such as lenses). The light emitted from the object is condensed by the imaging optical system 101, and an object image is formed at the condensing position. An imaging element 103 (light receiving surface) such as a CCD is disposed at this condensing position. The image sensor 103 is composed of a group of photoelectric conversion elements regularly arranged. Further, a filter 102 having a low-pass effect is disposed between the imaging optical system 101 and the imaging element 103 in order to prevent the occurrence of a moire phenomenon. Further, an infrared cut filter for cutting infrared light may be arranged.

  The light beam incident on the image sensor 103 is converted into an electric signal (image signal) by the photoelectric conversion element. This electrical signal is input to the controller 104. Here, the controller 104 performs signal processing such as gamma correction and image compression processing on the electrical signal. The electric signal subjected to the signal processing is output to the personal computer 109 or the like via the built-in memory 105 or the interface 107.

  The electronic viewfinder 106 includes an illumination system, an image display element, an eyepiece optical system (eyepiece lens), and the like. Here, the eyepiece optical system O of the above embodiment is used for the eyepiece optical system. Further, as the image display element, the reflection type display element of the above embodiment is used. This image display element is controlled by the controller 104. With such a configuration, the electronic viewfinder 106 allows an observer to observe an image of an object to be imaged or a captured image. In addition, image data can be sent from the built-in memory 105 to the auxiliary memory 108. On the other hand, the same image data can be sent from the interface 107 to the personal computer 109.

  FIG. 19 shows a configuration when the imaging apparatus of the present invention is applied to a silver salt camera. As shown in FIG. 19, the silver salt camera 120 includes an imaging optical system 111, a film 112, an objective lens 113, an imaging element 114 such as a CCD, a first controller 115, and another second controller 116. And have. Further, similarly to the digital camera of FIG. 18, a built-in memory 105 and an electronic viewfinder 106 are provided. As illustrated, the imaging optical system 111 and the objective lens 113 are different optical systems.

  In the silver salt camera 120 shown in FIG. 19, the light flux from the object is condensed by the imaging optical system 111, and an object image is formed at this condensing position (first condensing position). The film 112 is disposed at the first light collecting position. The light beam emitted from the object is condensed by the objective lens 113, and an object image is formed at this condensing position (second condensing position). An imaging element 114 such as a CCD is disposed at the second light collection position. The image sensor 114 is composed of a group of photoelectric conversion elements regularly arranged.

  The light beam incident on the image sensor 114 is converted into an electric signal (image signal) by the photoelectric conversion element. This electrical signal is input to the first controller 115. The first controller 115 performs signal processing such as gamma correction and image compression processing. The electric signal subjected to the signal processing is sent to the image display element. As described above, the electronic viewfinder 106 includes an illumination system, an image display element, an eyepiece optical system (eyepiece lens), and the like. The eyepiece optical system O of this embodiment is used for the eyepiece optical system. Through this electronic viewfinder 106, the photographer can observe an image of an object to be imaged.

  On the other hand, the user (observer) can observe an image obtained by imaging using information stored in the built-in memory 105. Such control is performed by the first controller 115.

  Further, a second controller 116 is provided for controlling the imaging optical system 111. The second controller 116 causes the imaging optical system 111 to perform operations such as zooming and focusing. Information such as zooming and focusing is recognized by the first controller 115 based on the signal from the second controller 116. Based on this recognition, the first controller 115 can adjust the image displayed on the image display element in accordance with the imaging angle of view (zooming). Further, based on information such as focusing, correction of the range of the image displayed on the image display element (parallax correction) may be performed. Further, the signal from the first controller 115 may be sent to the built-in memory 105 or an interface (not shown). These signals (information) may be output to a personal computer or the like via an interface.

  Further, an optical path dividing element may be disposed between the imaging optical system 111 and the film 112. An image of the object may be formed on the image sensor 114 by guiding a light beam from the object to the viewfinder through the optical path dividing element. And you may make it observe based on this object image. In this case, it is not necessary to use the objective lens 113.

  Note that it is preferable to include a finder lens that captures an image for the through image display unit and an imaging lens that captures and records an image for the imaging device. The viewfinder lens and the imaging lens can be controlled separately, so that it is easy to use and can be photographed easily.

  Further, it is preferable to change the shooting range for the through image by zooming an imaging lens that captures and records an image for the imaging device. Easy to use and easy to shoot.

  As described above, the viewfinder system of the present invention and the imaging apparatus including the viewfinder system have been described based on the embodiments. However, the present invention is not limited to these embodiments, and various modifications are possible.

C ... Imaging device C1 ... Main body V ... Viewfinder D ... Rear image display element LCD ... Liquid crystal display element O ... Eyepiece optical system T ... Through image display part M ... Field mask P ... Shooting range Pr ... Reference part 1 ... Display control means DESCRIPTION OF SYMBOLS 11 ... Display rate control means 12 ... Pixel number control means 2 ... Display designation means 21 ... Display ratio designation means 22 ... Pixel number designation means 23 ... Operation means 31 ... Storage means 32 ... AF control means 33 ... AE control means 101 ... Imaging Optical system 102 ... Filter 103 ... Image sensor 104 ... Controller 105 ... Built-in memory 106 ... Electronic viewfinder 107 ... Interface 108 ... Auxiliary memory 109 ... Personal computer 110 ... Digital camera 111 ... Imaging optical system 112 ... Film 113 ... Objective lens 114 ... Image sensor 115 ... first controller 116 ... second Controller 120 ... silver-halide camera

Claims (19)

A through image display unit for displaying a real-time through image;
A viewfinder having the through image display unit;
In viewfinder system with
The through image display unit can display a shooting range representing a range of images to be shot among displayed images,
The imaging range with respect to the through image Ri changeable der,
The following formula (1) is satisfied,
I = Td / Pd × 100 ≧ 100 (1)
Where I is the display rate (%), Td is the through image width, Pd is the shooting range width,
Operating means for operating a display rate of a through image with respect to the shooting range;
Display designation means for designating the display rate;
Display control means for controlling the display rate of the through image with respect to the shooting range of the through image display unit in accordance with the display rate designated by the display designating means;
With
The display control unit changes a display rate of the through image with respect to the shooting range of the through image display unit to a predetermined value in accordance with an operation of the operation unit,
When the operation of the operation means is finished, the display control means returns the display rate to the state before the operation of the operation means.
A viewfinder system characterized by that. A through image display unit for displaying a real-time through image;
A viewfinder having the through image display unit;
In viewfinder system with
The through image display unit can display a photographing range representing a range of images to be photographed among displayed images,
The shooting range for the through image can be changed,
A storage unit configured to store data of the shooting range of the through image display unit and a reference portion outside the shooting range;
A viewfinder system characterized by that. A through image display unit for displaying a real-time through image;
A viewfinder having the through image display unit;
In viewfinder system with
The through image display unit can display a photographing range representing a range of images to be photographed among displayed images,
The shooting range for the through image can be changed,
AF control means for changing the AF position at a reference portion outside the photographing range of the through image display unit is provided.
A viewfinder system characterized by that. A through image display unit for displaying a real-time through image;
A viewfinder having the through image display unit;
In viewfinder system with
The through image display unit can display a photographing range representing a range of images to be photographed among displayed images,
The shooting range for the through image can be changed,
AE control means for changing a photometric point at a reference portion outside the photographing range of the through image display unit is provided.
A viewfinder system characterized by that. The viewfinder system according to any one of claims 2 to 4, wherein the following expression (1) is satisfied.
I = Td / Pd × 100 ≧ 100 (1)
Where I is the display rate (%)
Td is the through image width,
Pd is the shooting range width,
It is. Display designation means for designating the display rate;
Display control means for controlling the display rate of the through image with respect to the shooting range of the through image display unit in accordance with the display rate designated by the display designating means;
The viewfinder system according to claim 1 or 5 , further comprising: The viewfinder system according to claim 6 , wherein the display designation unit includes a display rate designation unit that designates a display rate of the through image display unit with respect to the shooting range. The display control unit includes a display rate control unit that controls a display rate of a through image with respect to the shooting range of the through image display unit according to the display rate specified by the display rate specifying unit. The viewfinder system according to claim 7 . 9. The viewfinder system according to claim 6 , wherein the display designation unit includes a pixel number designation unit that designates the number of pixels in the photographing range. The display control means includes pixel number control means for controlling the number of pixels of the through image with respect to the shooting range of the through image display unit according to the number of pixels specified by the pixel number specifying means. The viewfinder system according to claim 9 . The viewfinder according to claim 9 or 10 , wherein the display control means includes maximum display ratio display means for displaying a photographing pixel display ratio with respect to a maximum number of pixels that can be photographed by the image sensor. system. The viewfinder system according to any one of claims 1 to 11 , wherein a process is applied to an image outside the photographing range. The viewfinder system according to any one of claims 1 to 12 , wherein a resolution of an image outside the photographing range is reduced. The viewfinder system according to any one of claims 1 to 13 , wherein an image outside the photographing range is black and white. The viewfinder system according to claim 1, further comprising an AF control unit that changes an AF position in accordance with the shooting range of the through image display unit. Viewfinder system as claimed in any one of claims 1 to 3, characterized in that it comprises the AE control means for changing the photometric point to match the shooting range of the through image display unit. An imaging apparatus comprising the viewfinder system according to any one of claims 1 to 16 . A viewfinder lens for taking an image for the through image display section;
An imaging lens for capturing and recording images for the imaging device;
The imaging apparatus according to claim 17 , further comprising: The imaging apparatus according to claim 18 , wherein the change of the shooting range with respect to the through image is performed by zooming the imaging lens.

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