JPH07191399A - Display device within finder for camera - Google Patents

Abstract

PURPOSE:To display a photographing information value (shutter speed, a diaphragm value or the like) and values before and after it as a display within the finder of a camera and to discriminate the values before and after it and a photographing mode by minimum display amount. CONSTITUTION:When the photographing mode is a shutter speed preferential mode as it is shown by a figure (a), the display of '125' shows the speed 1/125 second and the display of '5-6' shows the diaphragm value F5.6. The display of '180' and '90' executed on the left and the right sides of the display of '125' respectively show the shutter speed 1/180 second and 1/90 second being the values before and after the shutter speed 1/125 second. When a photographing information value changing dial is rotated clockwise, the shutter speed is changed to 1/180 second. When it is rotated counterclockwise, the shutter speed is changed to 1/90 second. A figure (b) is the display of a diaphragm preferential mode, a figure (c) is the display of a manual mode and a figure (d) is the display of a program mode.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device in a viewfinder of a camera capable of displaying shooting information values and the like in the viewfinder.

[0002]

2. Description of the Related Art Conventionally, it is generally known that a photographing information value and its preceding and following values are displayed in a finder, for example, an exposure calculation value in an exposure numeral string is indicated by a meter or the like. In a camera having a plurality of shooting modes, the selected shooting mode is displayed in the viewfinder, for example, "S" in the shutter speed priority mode, "A" in the aperture priority mode, and manual. Generally, "M" is displayed in the mode and "P" in the program mode.

[0003]

By the way, in the above-mentioned conventional example, in order to display both the front and back values of the photographing information value and the photographing mode display, respective display devices are required, which causes the following problems. (1) A wide display space is required. (2) The cost increases due to the increase in the number of display elements. (3) The display becomes complicated due to the increase in the display amount.

In view of the problems of the above-mentioned conventional example, the present invention provides a display device in the viewfinder of a camera capable of displaying the previous and next values of the shooting information value and determining the shooting mode with a minimum display amount. To aim.

[0005]

In order to achieve the above object, the present invention provides a camera having at least two photographing modes of a shutter speed priority mode, an aperture priority mode, a manual mode and a program mode. In a display device capable of displaying the photographing information value and the preceding and succeeding values in the photographing mode in the viewfinder, the display information before and after the photographing information value is switched between display and non-display according to the selection of the photographing mode. Is. Further, the photographing information value is preferably a shutter speed and an aperture value. In addition, at least one for changing the shooting information value in each shooting mode
It is also possible to have two rotating operation members and display the front and back values of the shooting information value to the left and right of the shooting information value in correspondence with the rotating direction of the operation member. Further, the front and back values of the photographing information value are displayed on the left and right of the photographing information value in correspondence with the rotation direction of the operation member, and at the time of an exposure warning, it is displayed on the right or left side corresponding to the rotation direction to be handled by the operation member. Either the value before or after being displayed may be blinked.

[0006]

The finder display means of the camera having the above-described structure switches between displaying and non-displaying the previous and next values of the shooting information value in response to the selection of the shooting mode, whereby the shooting mode can be discriminated by the previous and next value display. Further, by displaying the front and rear values of the photographing information value on the left and right of the photographing information value in correspondence with the rotation direction of the operation member for changing the photographing information value, it is possible to prevent an operation error in the rotation direction of the operation member. You can Further, at the time of the exposure warning, by blinking either the right or left value displayed before or after, which corresponds to the rotation direction, the operation is prompted, and a quick countermeasure can be taken.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A first embodiment of the present invention will be described below with reference to FIGS.
It will be described based on. FIG. 1 is a display example of a viewfinder display device of a camera of this embodiment, FIG. 2 is a top view of a camera having the viewfinder display device, and FIG. 3 is a rear view of the same. FIGS. 1A to 1D show the difference in the display mode due to the difference in the photographing mode of the camera. FIG. 1A shows a display when the camera shooting mode is the shutter speed priority mode, FIG. 1B shows a display when the camera shooting mode is the aperture priority mode, and FIG. This is the display when the shooting mode of is the manual mode.
(D) is a display when the shooting mode of the camera is the program mode.

In each drawing, the set shutter speed and aperture value are 1/125 sec and F5.6, respectively, and the display "125" represents the shutter speed 1/125 sec and the display "5.6". "Indicates an aperture value of F5.6. Then, in FIG. 1A and FIG.
“180” and “90” displayed to the left and right of 5 ”represent 1/180 seconds and 1/90 seconds which are the values before and after the shutter speed of 1/125 seconds, respectively, and FIGS. In c), "6.7" displayed to the left and right of the display "5.6"
And “4.5” are values before and after the aperture value F5.6.
7 and F4.5.

As described above, when the shooting mode of the camera is the shutter speed priority mode, only the shutter speed is displayed before and after that value, and when the shooting mode of the camera is the aperture priority mode, only the aperture value is displayed before and after that value. , When the shooting mode of the camera is the manual mode, the front and back values of both the shutter speed and the aperture value are displayed. When the shooting mode of the camera is the program mode, the front and back values of both the shutter speed and the aperture value are not displayed. .

2 and 3, reference numeral 1 is a camera body,
2 is a shooting mode setting dial provided on one side of the upper surface of the camera body 1, 3 is a shooting information value changing dial which is also provided on the other side, 4 is a shooting information value changing sub dial provided on the back cover of the camera body 1, 5 Is a viewfinder eyepiece provided on the upper rear surface of the camera body 1.

In the present embodiment having the above-mentioned structure, the photographing mode setting dial 2 is rotated to select a photographing mode such as a shutter speed priority mode, an aperture priority mode, a manual mode, and a program mode as desired. When the selected shooting mode is the shutter priority mode, the exposure value that can be changed by the shooting information value change dial 3 is the shutter speed,
The shooting information value changing sub dial 4 has a function of setting an exposure correction value. Therefore, when the combination of the shutter speed and the aperture value is 1/125 seconds and F5.6, the display in the viewfinder becomes the state shown in FIG. 1A, in which the photographing information value changing dial 3 is turned clockwise in FIG. The shutter speed is changed to 1/180 sec. By rotating the photographing information value changing dial 3 in the counterclockwise direction in FIG. 4, and the shutter speed is changed to 1/90 sec. As described above, the front and rear values of the shutter speed are displayed on the left and right of the shutter speed corresponding to the rotating direction of the photographing information value changing dial 3.

When the selected photographing mode is the aperture priority mode, the exposure value that can be changed by the photographing information value changing dial 3 is the aperture value, and the photographing information value changing sub dial 4 has a function of setting the exposure correction value. Therefore, for example, when the combination of the shutter speed and the aperture value that is set is 1/125 seconds and F5.6, the display in the viewfinder is as shown in FIG. 1 (b), and here, the photographing information value change dial 3 is set. Figure 4
When it is rotated in the clockwise direction by, the aperture value is changed to F6.7, and when the photographing information value changing dial 3 is rotated in the counterclockwise direction in FIG. 4, the aperture value is changed to F4.5. As described above, the front and rear values of the aperture value are displayed to the left and right of the aperture value, corresponding to the rotating direction of the photographing information value change dial 3.

When the selected photographing mode is the manual mode, the exposure value that can be changed by the photographing information value changing dial 3 is the shutter speed, and the photographing information value changing sub dial 4
The exposure value that can be changed with is the aperture value. Therefore, for example, the combination of the set shutter speed and aperture value is 1
In the case of / 125 seconds and F5.6, the display in the viewfinder becomes the state shown in FIG. 1C, and when the photographing information value changing dial 3 is rotated clockwise in FIG. 4, the shutter speed is 1/180. Second changed, shooting information value change dial 3
Is rotated counterclockwise in FIG. 4, the shutter speed is 1
/ Changed to 90 seconds. When the photographing information value changing sub dial 4 is rotated clockwise in FIG. 4, the aperture value becomes F.
When the photographing information value changing sub dial 4 is changed to 6.7 and is rotated counterclockwise in FIG. 4, the aperture value is changed to F4.5. As described above, the front and rear values of the shutter speed are displayed on the left and right of the shutter speed corresponding to the rotation direction of the photographing information value changing dial 3, and the front and rear values of the aperture value are the rotating direction of the photographing information value changing sub dial 4. Is displayed to the left and right of the aperture value.

When the selected photographing mode is the program mode, the photographing information value changing dial 3 has a program function for changing the combination of the set shutter speed and aperture value with the same exposure, and the photographing information value changing sub dial. 4 has a function of setting an exposure correction value. For example, the combination of shutter speed and aperture value that is set is 1/1
For 25 seconds and F5.6, the viewfinder display is
The state shown in FIG.

FIG. 4 shows a display example of the display device in the viewfinder of the camera according to the second embodiment of the present invention. FIG. 4A shows the display when the camera shooting mode is the shutter speed priority mode and the underexposure warning is displayed, and FIG. 4B is the display when the camera shooting mode is the shutter speed priority mode and the overexposure warning. Yes, (c) is the display when the camera's shooting mode is the aperture priority mode and there is an underexposure warning, and (d) is the camera's shooting mode is the aperture priority mode,
This is a display in the case of an overexposure warning.

In FIG. 4A, the shutter speed to be set is 1/125 second and the aperture value of the lens used is F.
It is an example of the underexposure warning in the case of 3.5, which is "9" in the figure.
"0" and "3.5" represent blinking for warning. When the shutter speed set in the shutter speed priority mode is underexposed, the shutter speed is slower than the set shutter speed. The underexposure warning is given by blinking the front and rear values of the other lens and the aperture value of the lens used.To deal with the underexposure, the shooting information value change dial 3 in the direction corresponding to the blinking front and rear values. Can be rotated.

Next, in FIG. 4B, the shutter speed to be set is 1/125 seconds and the minimum aperture value of the lens used is F2.
It is an example of overexposure warning in the case of 2 and is "18" in the figure.
"0" and "22" represent the state of blinking for a warning. When the shutter speed set in the shutter speed priority mode causes overexposure, the shutter speed faster than the set shutter speed is set. The overexposure warning is issued by blinking the front and rear values and the minimum aperture value of the lens used.To deal with overexposure, rotate the shooting information value change dial 3 in the direction corresponding to the blinking front and rear values. You can do it.

FIG. 4 (c) shows an example of an underexposure warning when the aperture value is set to F5.6 and the minimum shutter speed is 30 seconds. ”
Indicates a blinking state. When the aperture value set in the aperture priority mode causes underexposure, the underexposure warning is issued by blinking the front and rear values closer to the opening than the set aperture value and the minimum shutter speed value. Here, in order to deal with underexposure, the photographing information value change dial 3 may be rotated in the direction corresponding to the blinking front and rear values.

Further, FIG. 4D shows an example of overexposure warning when the aperture value to be set is F5.6 and the maximum shutter speed is 1/4000 seconds.
"0" and "6.7" represent the blinking state.
When the aperture value set in the aperture priority mode causes overexposure, the overexposure warning is issued by blinking the front and rear values closer to the aperture value than the set aperture value and the maximum shutter speed value. Here, in order to deal with overexposure, the photographing information value change dial 3 may be rotated in the direction corresponding to the blinking front and rear values.

[0020]

As described above, according to the present invention, in the display device capable of displaying the photographing information value and the preceding and succeeding values in the photographing mode in the viewfinder, the photographing information value before and after the photographing information value can be displayed in correspondence with the selection of the photographing mode. By switching between display and non-display, there is an effect that the shooting mode can be easily discriminated by the front and rear value display. Further, by displaying the front and rear values of the photographing information value on the left and right of the photographing information value corresponding to the rotation direction of the operating member for changing the photographing information, it is possible to prevent the operation mistake of the operating member. Further, at the time of the exposure warning, by blinking the front and rear values corresponding to the turning direction to be dealt with by the operation member, it is possible to prompt the operation and take a quick countermeasure.

[Brief description of drawings]

FIG. 1 is a display state example of a display device in a viewfinder of a camera according to a first embodiment of the present invention, in which (a) is a shutter speed priority mode, (b) is an aperture priority mode, and (c) is a manual mode. And (d) shows the program mode.

FIG. 2 is a top view of the camera.

FIG. 3 is a rear view of the same.

4A and 4B are examples of display states by a display device in a viewfinder of a camera according to a second embodiment of the present invention, in which FIGS. 4A and 4B are in a shutter speed priority mode, and FIGS. 4C and 4D are in an aperture priority mode. , Respectively.

[Explanation of symbols]

1 ... camera body, 2 ... shooting mode setting dial, 3
.. Shooting information value change dial, 4. Shooting information value change sub dial, 5. Viewfinder eyepiece.

Claims (4)

[Claims] 1. A camera having at least two or more photographing modes of a shutter speed priority mode, an aperture priority mode, a manual mode, and a program mode, wherein a photographing information value in the photographing mode and its preceding and following values are stored in a viewfinder. A display device in a viewfinder of a camera, wherein a display device capable of displaying is capable of switching between display and non-display of the preceding and following values of the shooting information value according to the selection of the shooting mode. 2. The display device in a viewfinder of a camera according to claim 1, wherein the photographing information value is a shutter speed and an aperture value. 3. At least one rotating operation member for changing the photographing information value in each photographing mode,
2. The front and back values of the photographing information value are displayed on the left and right of the photographing information value corresponding to the rotating direction of the operation member.
Alternatively, the display device in the viewfinder of the camera described in 2. 4. A camera having at least one photographing mode of a shutter speed priority mode and an aperture priority mode and having at least one rotating operation member for changing a photographing information value in the photographing mode. There
In a display device capable of displaying the photographing information value and the preceding and succeeding values in the photographing mode in a viewfinder, the preceding and succeeding values of the photographing information value are displayed on the left and right of the photographing information value in correspondence with the rotating direction of the operation member, A display device in a viewfinder of a camera, characterized in that, when a warning is issued, either the front or back value displayed on the right or left corresponding to the turning direction to be dealt with by the operating member is made to blink.