JPH04109230A - Camera - Google Patents

Abstract

PURPOSE:To obtain the camera with high operability by displaying setting contents of the function on a liquid crystal display means interposed in a finder optical path, and superimposing them on a subject image. CONSTITUTION:The liquid crystal display means, function contents setting means 10 - 12 which set the contents of function determining photographic conditions, and a display control means 6 which display the setting contents of the function on the liquid crystal display means are provided in the finder optical path, and the setting contents of the function are displayed in a finder screen. Thus, the subject image and the set function contents displayed by the liquid crystal display means are displayed in the finder screen. Consequently, a photographer can set the contents of a desired function over a look at the finder screen, and the camera with high operability is obtained.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a camera in which the content of a function that determines photographing conditions can be set, and in particular, a camera that allows the content of the set function to be displayed on the viewfinder screen. This is what I did.

[Conventional technology]

Conventionally, a camera has been proposed that displays the subject image and shooting conditions on the finder screen (U.S. Pat. No. 4,315,674).
No. 4,391,500). That is, in the former camera, the in-focus state is displayed in the finder using three display elements, and in the latter camera, a pattern is displayed.

Furthermore, a camera is known in which a finder is configured using a color liquid crystal display device.

[Problem to be solved by the invention]

In the conventional cameras mentioned above, the shooting conditions are displayed in addition to the subject image on the viewfinder screen, but the displayed shooting conditions are fixed and static, and the photographer actively sets them. It does not display the contents. In other words, when photographing, although it is possible to easily check the photographing conditions, it is not possible to set the photographing conditions while looking through the finder screen.

The present invention has been made in view of the above, and it is an object of the present invention to provide a camera that displays the settings of a function that determines photographing conditions in a viewfinder screen, weighted against the subject image.

(Means for Solving the Problems) The present invention provides a liquid crystal display means interposed in a viewfinder optical path, a function content setting means for setting the contents of a function that determines photographing conditions, and a display for displaying the setting contents of the function on the liquid crystal display. The setting contents of the function are displayed on the finder screen by means of a display control means for displaying the information on the display control means (It claim).

Further, the function content setting means includes a plurality of setting members so that settings can be made for a plurality of functions (claim 2). According to the present invention, the content of the function being set is displayed by flashing as an index or mark (claim 3).

Further, the plurality of functions are classified into at least two or more groups, and the display control means lights up and displays an index or mark of a function belonging to the selected group.
).

Furthermore, the display control means is configured to turn off the indicator or mark of the function except when the function is set.

(Function) According to the present invention as set forth in claim 1, the subject image and the setting function contents displayed on the liquid crystal display means are displayed on the finder screen.The function contents are determined according to the function desired by the photographer. The contents are set by the function contents setting means while looking at the finder screen.

According to the second aspect of the invention, different functions are set by the plurality of setting members.

According to the third aspect of the invention, the function content being set by the function content setting means is displayed blinking in the form of an index or a mark.

According to the fourth aspect of the invention, when one of the plurality of groups is selected, the indicator or mark of the function belonging to the selected group is displayed in a lit state.

According to the fifth aspect of the invention, the function index or mark is displayed only while the function is being set, and the function index or mark is turned off except for v#.

〔Example〕

FIG. 3 shows a main configuration diagram of the camera according to the present invention.

A subject image is transmitted from a photographing lens (not shown) along the optical axis to a finder mirror 201. :II will be destroyed. The finder mirror 20 is made semi-transparent only in the vicinity of the center so that a subject image with a necessary amount of light for automatic focusing (hereinafter referred to as AF) can pass through.

The focusing plate 21 is arranged at a focal position with respect to a photographing lens (not shown), and is used to capture the same image as the subject image to be photographed. The image reflected on the focus plate 21 is formed on an imaging lens 23 via a pentaprism 22. By looking through the imaging lens 23, the photographer can see the same image as the photographed image within the finder screen.

A transmissive liquid crystal panel (hereinafter referred to as LCD) 24 is interposed between the focus plate 21 and the pentaprism 22, and displays the distance measurement area and the contents of various functions, which will be described later.

This LCD 24 is driven by an LCD drive circuit 6.

As a result, the distance measurement area and the contents of various functions are displayed together with the photographed image in a superimposed manner on the finder screen.

On the other hand, the subject image guided from the finder mirror 20 to the submirror 25 is directed downward by the submirror 25, and then guided to the focus detection section 2.

The focus detection section 2 includes an optical system, a sensor, and a signal output section necessary for AF processing. The control circuit 1 is composed of, for example, a microcomputer (hereinafter referred to as CPLI),
In addition to outputting necessary display data to the LCD drive circuit 6 and performing AF II recognition based on the output signal from the focus detection section 2, it also performs sequence control of the entire camera.

FIG. 4 shows the arrangement of sensors within the focus detection section 2, including four distance measurement areas 2a and 2b.

2c and 2d, and each ranging area is composed of a solid fiber element (hereinafter referred to as COD) as shown in FIG. The distance measurement areas 2a and 2b are responsible for the horizontal direction near the center, and the distance measurement areas 2c and 2d are responsible for the vertical direction on the left and right sides. The distance measurement for AF processing is performed in the distance measurement area 2a,
2b, 2c.

2d, and the obtained Ill times signal of the object is the CP
Guided by U1.

FIG. 5 shows the distance measurement areas 2a, 2b, and 2c.

2d, in which the COD of the standard part and the COD of the reference part are arranged in correspondence with each other at a predetermined interval. That is, the distance measurement area 2a includes the reference portion A1 and the reference portion A2, and the distance measurement area 2b includes the reference portion B1 and the reference portion B2.
However, distance measurement area 2C is standard 1! IcI and reference part C2 are
The distance measurement area 2d corresponds to a reference portion D1 and a reference portion D2, respectively. In focus detection, the subject image guided to the focus detection section 2 is separated by a known condenser lens or the like provided for each distance measurement area, and the image of the reference section is detected. This is performed using a phase difference detection method that takes correlation while shifting the image of the reference part.

FIG. 6 shows the display position of each area displayed within the photographing screen, that is, the finder screen. LCD
24, area a corresponds to ranging area 2a, and area b
corresponds to distance measurement area 2b, and areas c and d are displayed at positions corresponding to distance measurement areas 2c and 2d, respectively.

Thus, in the state shown in FIG. 6, the display area is arranged horizontally symmetrically and vertically asymmetrically (-!j, that is, horizontally asymmetrically in the vertical position).

FIG. 7 is an external view of the camera 30 seen from the rear. A finder 31 is provided at a suitable position at the rear of the camera 30. As described above, the finder 31 displays the distance measurement area and the contents of various functions. In addition, for the contents of the appropriate functions among the above functions, please refer to the L provided at the appropriate location on the top of the camera 3o.
It is also displayed on an on-body display section 32 consisting of a CD or the like.

33 is a shutter button, and when this shutter button 33 is pressed, a photograph is taken. Note that when the shutter button 33 is pressed halfway, a photographing preparation switch 9, which will be described later, is turned on, and when it is pressed fully, exposure is started.

10 is a function button for selecting various functions such as exposure compensation r+/-J, AF area, film sensitivity 180, single shooting, continuous shooting drive, etc. In this embodiment, the above four functions are divided into two groups. , the first group is exposure compensation r/-J and AF area, and the second group is film sensitivity ISO, single shooting, and continuous shooting drive. Each time the function button 10 is pressed, the two groups are alternately selected.

Reference numeral 11 is a front up/down dial provided on the front side of the camera 30 and rotatable in the left/right direction, and is used to change the function contents of the exposure correction r+/-J and the film sensitivity correction 180. Reference numeral 12 is a rear up-down dial provided on the rear side of the camera 30 that can be rotated in the left and right directions, and is used for AF area and single shooting.

This is to change the function contents of the continuous shooting drive. Further, a focus mode switch (not shown) is provided on the front surface of the camera 30.

This focus mode switch is for switching between AF and FA (manual focus).

FIG. 1 is a block diagram showing a control system of a camera according to the present invention.

As described above, the CPUI controls the overall sequence of the camera 30, and executes necessary control described below based on input information and operation signals from each part. Also,
The CPU 1 includes a built-in timer (not shown), which will be described later, and manages time for setting operations. The focus detection section 2 performs AF processing and outputs the obtained ranging signal to the CPU 1. The lens driving section 3 moves a lens (not shown) in response to the amount of lens movement (displacement amount) to the in-focus position calculated based on the distance measurement signal from the focus detection section 2, and brings the lens into focus. The photometry means 4 detects the brightness of the subject, and the obtained Ill data is led to the CPU 1 to calculate an appropriate exposure value. The DX detection section 5 reads the film sensitivity recorded on a loaded film (not shown). The LCD drive circuit 6 displays the area, necessary functions, and their contents within the finder screen, and the screen-like display drive circuit 6 controls the display within the frame in which the subject image is displayed on the finder screen.
1, and an off-screen display drive circuit 62 that controls display at appropriate peripheral locations outside the frame in which the subject image is displayed. Reference numeral 7 denotes on-body display means for displaying information on the on-body display section 32.

The AND gate 8 is for inputting an interrupt signal, and the high level from terminals IP1 and 1P2 of the CPU 1 is pulled up to both input terminals thereof. Then, when the shooting preparation switch 9 or the function button 10 is turned on, the CPLI
A low level is input to I, which causes CPU1
can check for interrupts. In addition, C.P.L.
ll is based on the level change of the above terminal IPt IF5,
It is designed so that it can be determined from which point an interrupt occurs. In addition, the front up-down dial 11 and the rear up-down dial 12 send signals corresponding to the rotation direction to the CPU.
1.

The attitude detecting means 13 is attached to a suitable position on the main body of the camera 30 and detects whether the camera 30 is in a vertical attitude or a horizontal attitude, and an example of its configuration is shown in FIG.

FIG. 2 shows the camera 30 placed horizontally, and an approximately T-shaped sealed container 113 contains an appropriate amount of mercury HQ.
A conductive current body such as the following is enclosed.

Furthermore, terminals 5a-Sc are provided at each end of the character shape, and a common wiring 213 is provided inside the terminals 5a-Sc at a slight distance from each terminal Sa-Sc. In the illustrated state, the mercury HQ connects the terminal sb to the common wiring 21.
3 is electrically connected and the terminal sb is grounded, whereby it is detected that the camera 30 is in the horizontal position II (horizontal position).

Terminals 3a and 5CIII are connected by lead wires, so that the vertical orientation of the camera 30 can be detected regardless of whether it is rotated counterclockwise or clockwise. That is, returning to Figure 1, C
Terminal IP3 of PU1. A high level is output to IP4 in the form of a pull-up, and when the camera 30 is in a horizontal position, the terminal IP3 falls to a low level, while when the camera 30 is in a vertical position, the terminal IP4 falls to a low level. CPU1
determines the terminal that falls to such a low level and connects the camera 3.
0 attitude is detected. 14 is the aforementioned focus mode switch connected to the terminal IP5.

FIG. 8 shows all the display contents displayed on the LCD 24, that is, the display contents displayed on the finder screen (
It is a figure of the state (lighted). In the figure, the inner white frame part is the screen white display part 41, and the screen display drive circuit 61
The display is driven by. On the other hand, the peripheral shaded area is an off-screen display area 42, and the off-screen display driving circuit 62 drives the display thereof.

In the screen white display portion 41, the upper FA meter display section 43 is for focus eight. As shown in the figure, the FA meter display section 43 is arranged to display a par value in five stages, with the center indicating the in-focus position.

The left side shows the rear bin state, and the right side shows the front bin state. The display example in FIG. 8 shows that the camera is in focus.

Areas a, b, c, and d in the center are displayed as marks at positions corresponding to the distance measurement areas 2a to 2d described above, and are used to display designated distance measurement areas. Also,
The wide area W1 includes areas a, c, and d, is displayed with marks indicating its four corners, and is symmetrical in the vertical and horizontal directions. The wide area W2 includes all areas a, b, C, and d, is displayed with marks indicating its four corners, and is symmetrical only in the left-right direction.

The dial mark at the bottom of the screen self-display part 41 is a schematic representation of the front up-down dial 11 and the rear up-down dial 12, and the upper side is the front up-down dial 1.
1, and the lower side corresponds to the rear up/down dial 12. The right side of this dial mark 44 is the exposure compensation [+
/-J and r+/ representing each function of the AF area
-J mark 45 and AF mark 46 are displayed, and on the left side, ISO mark 47 and S/C mark 48 representing each function of film sensitivity correction ISO, single shooting, and continuous shooting drive are displayed. And dial mark 4
4 and each of the above marks 45 to 48111, there are selection marks 450 and 46 corresponding to each other to indicate the selected state.
0,470.480 is displayed.

In addition, in the surface water area 42 outside the screen, from the left side of the figure, a focus instruction section 49 that lights up when in focus, a 4-digit display section 50 that displays the shutter speed Tv and film sensitivity 1m5V, and an aperture value A
It has a two-digit display section 51 that displays V and the exposure correction amount ΔEV. The two-digit display section 51 has + and - added so that it can be seen in which direction the correction has been made. Note that the 4-digit display section 50 and the 2-digit display section 51 display 4 digits,
It is not limited to two digits, and any desired number of digits can be set.

FIG. 9 shows an interrupt 5 when either the shooting preparation switch 9 or the function button 10 is turned on.
1! This is a 0-chart (explaining the principle).

Shooting preparation switch 9 (indicated by SL in the flowchart)
Alternatively, when any of the function buttons 10 (indicated by 5FUN in the flowchart) is turned on, it is first determined whether the function button 10 has changed from off to on (step #2). Note that it may be determined which one is turned on.

When it is determined that the function button 10 has been turned on from off (YES in step #2), the process for changing the mode shown in FIG. 10 is executed (step #4
). When 5 seconds have elapsed after the predetermined process was executed (YES in step #6), the process content displayed on the finder screen is turned off (step #8). On the other hand, when it is determined that the photographing preparation switch 9 has been turned on from off (No in step #2), the process shown in FIG. 18 when the photographing preparation switch 9 is turned on is executed (step #10). ). At this time, when the photographing preparation switch 9 is turned off (YES in step #12), the display contents are turned off in step #8.

FIG. 10 is a flowchart illustrating the operating procedure for changing the mode when the function button 10 is turned on from off. The operating procedure for changing this mode will be explained below with reference to FIGS. 11 to 17.

In the figure, mode ■ means that the above-mentioned first group that includes exposure compensation "+/-" and AF area is selected, and mode ■ means that film sensitivity compensation I is selected.
This means that the aforementioned second group that includes SO, single shooting, and continuous shooting drive is selected.

First, in step #20, the first mode flag IV
It is determined whether IIF is 1 or not. This determines whether the routine is the first one after the function button 10 is turned on.

If it is in the first routine (NO in step #20), it is determined in step #22 whether the previously selected mode was 1 or ■. That is, assuming that mode ■ was selected in the setting operation at the time of the previous interrupt when the function button 10 was turned on, step #22
In this case, the mode flag is changed to mode I in step #24, assuming that a setting operation is to be performed for mode ■ in this interrupt. Conversely, if mode ■ was selected in the setting operation at the previous interrupt, mode ■> was selected in step #22, and mode The flag is changed to mode ■.

In this way, the selection of the function mode is interrupted each time the function button 10 is turned on, and a different function mode is set or cyclically changed.

Now, when the mode is changed to ModeE, the next function that can be set in ModeE is exposure compensation r.
Contents and marks related to +/-J and AF area are
As shown in FIGS. 1 and 12, it is displayed on the screen self-display area 41 and the off-screen surface water area 42. It should be noted that some of the displayed contents and marks display the setting contents in the previous mode ■.

As a result, you can confirm the previous settings, and if you decide that there is no need to change the settings as described later, you can simply leave them as they are, and the same settings as last time will be set. , speed of operation can be achieved.

In this example, the previous exposure compensation layer ΔEV is displayed in the two-digit display section 51.
is the apex value, and is displayed as 1.0, for example (step #26). Next, the attitude detection means 13 determines the current attitude of the camera 30. If the attitude of the camera 30 is in the horizontal position (NO in step #28), the area a for distance measurement that can be selected in the horizontal position as shown in FIG.
, b.

The marks c, d, and wide area W2 are displayed blinking to show that they are ready for selection (step #30).
). On the other hand, if the camera 30 is in the vertical position (YES in step #28), each mark in areas a, c, d and wide area W1 for distance measurement that can be selected in the vertical position is shown in FIG. is displayed blinking to indicate that it is in a selectable state (step #32). Next, in addition to the dial mark 44, the l''+/-J mark 45 representing the function in mode ■, the AF mark 46, and their selection marks 450 and 460 are displayed, and the other displays are turned off ( Step #42° #44).After this,
The first mode flag MIF is set to 1, the built-in timer is reset, and a 5-second time count is started (steps #46 and #48). and,
Return to step #6 in FIG. 9.

On the other hand, if the mode is changed to mode ■ in step #34, then the contents and marks related to film sensitivity ISO, single shooting, and continuous shooting drive, which are functions that can be set in mode ■, are changed to the 13th mode. As shown in the figure, it is displayed on the screen self-display area 41 and the off-screen surface water area 42. That is, first, the previous film sensitivity SV is displayed as 100, for example, on the four-digit display section 50 (step #36), and then the contents of the previous single shooting and continuous shooting drive are displayed (step #38). In the example of FIG. 13, within the S/C mark 48,
The letter "S" representing single shot is displayed. Furthermore, the currently selected area (in the previous mode ■) is displayed (step #40). In the example of FIG. 13, it can be seen that wide area W2 is selected. Then, in step #42, in addition to the dial mark 44, the ISO mark 47 of mode (2), the S/C mark 48, and their selection marks 470 and 480 are displayed. Then, as above, all other displays are turned off, and the first mode flag Mr.
After each process of setting F to 1 and starting the reset of the built-in timer (steps #44 to #48),
Return to step #6 in FIG. 9.

In step #6, if the function content setting operation is started before 5 seconds have elapsed, the mode change flow (step #4) is continued.

Now, as described above, when the previous settings are displayed on the finder screen self-display area 41 and off-screen surface water area 42, the flow returns to step #20, and the state of the first mode flag MIF is determined. . Here, in the second and subsequent routines, the fast mode flag MIF is set to 1 (step #
20 (YES), the process moves to step #5o, and it is determined whether or not the mode is selected.

When mode ■ is selected, first, the front up-down dial 11 (indicated by Sud+ in the flowchart)
A determination is made as to whether or not there is rotation (step #52
．． #56, see Figure 14). That is, when the front up/down dial 11 is rotated clockwise, YE is selected in step #52.
S), an apex value of 0.5 is added to the EV to the l output correction amount, and the addition result is displayed on the two-digit display section 51, for example, 1.0.
(Step #54, #
60). At this time, the area that has already been selected (as described later, in the first operation after the first mode flag becomes 1, the rear up-down dial 12 is operated first, or the mode ) is lit up and displayed (in the example in Figure 14,
(wide area W2 is selected), the selection mark 460 is turned off to indicate that the AF area function is not currently being set. On the other hand, when the front up/down dial 11 is rotated to the left (No in step #52, YES in step #56), the apex value of 0.5 is subtracted from the exposure compensation amount △EV, and the subtraction result is displayed in two digits. The apex value is displayed in the section 51 as, for example, 1.0 (steps #58 and #60).

Next, if the front up-down dial 11 is not rotated in either the left or right direction, it is determined whether or not the rear up-down dial 12 (indicated by 3ud2 in the flowchart) is rotated (step #52. 56, both No, steps #66 and #70). Then, each time the rear up-down dial 12 is rotated clockwise (YES in step #66)
), or every time it is rotated to the left (NO in step #66).
, YES in step #70), the area of the screen white display portion 41 corresponding to the distance measurement area is cyclically selected in the forward direction or in the reverse direction (step #68, #
72, see Figure 15).

In FIG. 15, all area marks that may be selected are shown for convenience 1, but in reality, only one of the area marks is selected and displayed, as will be described later.

When operating the rear up/down dial 12 for the first time,
As shown in steps #30 and #32, selectable areas are displayed blinking, and area selection is possible within them. When an area is selected by rotating the rear up-down dial 12 to the left or right, the selected area is taken in as the setting area AR. Subsequently, the attitude of the camera 30 is detected (step #76). camera 3
If 0 is the horizontal position and the setting area AR is a wide area (YES in step #76, YES in step #78), the wide area W2 is taken in as the setting area AR (step #80). If any other area is selected (No in step #78), the area in step #74 is directly set as the set area AR.

If the camera 30 is in a vertical position and the setting area AR is a wide area (NO in step #76,
(YES in step #82), the wide area W1 is taken in as the setting area AR (step #84). Furthermore, if the setting area AR is area b (YES in step #86), since area b is not selectable in the vertical position, if the rear up-down dial 12 is rotated clockwise, area b , and capture area C as the setting area AR (YES in step #88, step #90), and if it has been rotated counterclockwise, change it to area b and capture area a as the setting area AR (step #
No at 88, step #92). Also, areas a, c,
If d is selected (No in step #86)
, the selected area remains as the setting area AR
It is said that When the setting of the area is completed, the corresponding setting area A
R is lit and displayed, and then the exposure compensation amount ΔEV on the two-digit display section 51 is extinguished, and the selection mark 450 is extinguished to indicate that the exposure compensation r+/-J function is not currently being set ( Steps #94 to #98).

Subsequently, through step #48 and step #6 (FIG. 9), the process returns to step #20, and then proceeds to step #52.

If you want to further change the EV to the corrected exposure amount, continue to press the front up/down dial until the desired exposure correction amount is reached in step #52 or step #56.
Rotate 1 left or right.

Also, if you want to change the area further, step #66
, or in step #70, continue to rotate the rear up-down dial 12 to the left or right until the desired area is set.

When the front and rear up-down dials 11 and 12 are not operated for more than 5 seconds, it is assumed that the settings have been completed and all the displays are turned off (FIG. 9, step #8). Note that in the AF area function, selectable areas may be displayed by lighting, and selected areas may be displayed by blinking.

Next, if mode ■ is selected (step #50
(NO), first, it is determined whether or not the front up-down dial 11 is rotating (step #100. #10
4, see Figure 16). That is, when the front up-down dial 11 is rotated clockwise (YES in step #100)
, the apex value of 0.5 is added to the film sensitivity correction value △Sv, and the sensitivity value 5VDX (apex value) taken from the film tube is further added to this addition result, SV.
However, as shown in FIG.
00 (apex value 5) (step #
102, steps #108, #110). The reason why the apex value is not displayed is simply to improve the familiarity of the photographer, and any value may be used. Then, the selection mark 480 is turned off to show that the single shooting and continuous shooting functions are not currently being set, and the selected area is displayed in step #112.
#124), On the other hand, when the front up-down dial 11 is rotated counterclockwise, NO in step #100, step #10
4: YES), the apex value of 0.5 is subtracted from the film sensitivity correction value ΔS■, and the value SV, which is the result of this subtraction and the sensitivity value 5VDX (apex value) read from the film tube, is displayed on the 2-digit display. 51, for example, 1 as above
00 (apex value 5) (step #1
06, Steps #108 and #110), then the selection mark 480 is turned off to show that the single shooting and continuous shooting functions are not currently being set, and the selected area is displayed (Step # 112
, #124).

Next, if the front up-down dial 11 is not rotated in either the left or right direction, it is determined whether or not the rear up-down dial 12 is rotated (step #100.
104 (NO in step #114), and each time the rear up-down dial 12 is rotated clockwise or counterclockwise (YES in step #114), single shooting S1 continuous shooting C are alternately changed and set (step #114). 116). When single-shot drive is set, S/C is set as shown in Figure 16.
When the letter S is displayed in the mark 48 and the continuous shooting drive is set, only the letter S in the S/C mark 48 is erased as shown in FIG. 17 (Step #1
18). Thereafter, the film 11 degree value and the selection mark 470 are erased to indicate that the film sensitivity correction value has not been determined, and the selected area is displayed (steps #120 to #124).

FIG. 18 is a flowchart illustrating the operation when the photographing preparation switch 9 is pressed. This operation will be explained below with reference to FIG.

When the shooting preparation switch 9 is turned on and an interrupt is started, first mode 1. l display, i.e. dial mark 4
4. , r+/-J mark 45. AF mark 46.180
The mark 47, the S/C mark 48, and the place name selection marks 450 to 480 are turned off, while the previously set area is displayed (steps #130 and #134).

At this time, the first mode flag MIF is reset to O (step #132). By resetting this first mode flag MIF, the next time the function button 10 is turned on, the process of displaying the previous setting contents will be executed prior to the setting operation procedure (if NO in step #20) , Steps #22 to #4
6).

Subsequently, the subject brightness BD obtained by the photometry circuit 4 is taken in, and a film sensitivity value of 5V is further taken from a film tube (not shown).
DX is read, and the film sensitivity correction value ΔS■ is added to the film sensitivity value 5VDX (step #13
6~#140).

Then, the subject brightness BD is added to the corrected film sensitivity value Sv to obtain the exposure IEV, and the exposure correction amount ΔEV is further added to the obtained exposure amount EV. From this corrected exposure value EV, the aperture value AV and shutter speed Tv are determined based on the relationship between the aperture value AV and shutter speed TV with respect to the preset exposure value (steps #142 to #146). This aperture value AV
and shutter speed TV, as shown in Figure 19,
Displayed in the off-screen surface water area 42 (step #148)
. Note that the aperture value AV and shutter speed TV are also displayed on the on-body LCD 32.

Next, each distance measurement area 2a to 2 obtained by the focus detection circuit 2
AF data of d is taken in, and respective deviations IDFa to DFd are calculated from these AF data (steps #150 and #152).

Next, the area selected and set by the AF area function is determined (step #154). That is, when wide area W1 is selected, the amount of deviation DF
The average value found from a, DFc, and DFd, or the optimum amount of deviation by taking into consideration each contrast state, or the amount of deviation obtained by a method that takes both methods into account is taken as the set deviation amount DF, and the wide area W2 is If selected, the deviation amount obtained by the same method as above is taken in from DFa-DFd as the set deviation amount DF (steps #156 and #158). Also, when area a is selected, the deviation 1DFa is set as the deviation amount DF,
When area b is selected, the deviation amount DFb is set as the deviation amount DF, and when area C is selected, the deviation amount DFc is set.
is taken as the setting deviation jiDF, and if area d is selected, deviation amount DF (j is taken in as the setting deviation amount DF.
66).

When the setting deviation amount DF is imported as described above, the setting deviation IDF is then compared with the allowable level value (
Step #168). That is, if the set deviation amount DF is within the allowable value, it is determined that the camera is in focus, and an in-focus display is performed (step #170). This focus display is
This is done by lighting up the focus display section 49 as shown in FIG. 19, so that the photographer can easily confirm the focus. On the other hand, if the setting deviation amount DF is larger than the allowable value, it is determined that it is not within the allowable focusing range, and
In-focus display is not performed, or if the focus is out of focus, the display is turned off (step #172). In this case, it is determined whether the mode is FA mode or AF mode (step #174). In the FA mode, the setting deviation amount DF is displayed on the FA meter display section 4 as shown in FIG.
3 is displayed as a bar (step #174). Then, the photographer manually operates the lens drive while looking at this bar display to bring the lens into focus. Also, in AF mode,
The lens is automatically driven by the above-mentioned setting deviation amount to bring it into focus, and the FA thumb display, which is used to help during FA mode, is turned off as it is unnecessary (steps #178 and #180). . This operation can be carried out while the image transfer semi-stimulation switch 9 is pressed (N in step #12 in Fig. 9).
o), repeated. Then, when the photographing preparation switch 9 is released (YES in step #12), each display content up to that point is turned off (step #8).

FIGS. 20 to 24 show other display examples of the finder display screen. As shown in the figure, the selection marks are composed of instruction marks 70 and 71 and selection marks 451 to 481 corresponding to each function.

In FIG. 20, marks 47, 48 indicating the function of mode (2) are displayed on the same side as marks 45, 46 indicating the function of mode (2).

21 and 22 show the first instruction method for mode selection in FIG. 20, and FIGS. 23 and 24 show the second instruction method.

The first instruction method is to light up the selection marks 451 to 481,
This is done by erasing. That is, when the mode is selected, the selection marks 471 and 481 are turned off as shown in FIG. When mode ■ is selected, as shown in FIG. 22, a selection mark 451.
461 is turned off.

The second instruction method is to use marks 45 to 4 for each function.
8 and the corresponding selection marks 451 to 481 are turned on and off in pairs.

That is, when mode I is selected, 180 marks 47. as shown in FIG. The S/C mark 48 and the corresponding selection marks 471 and 481 are erased.

When mode (2) is selected, the "+/-J mark 45, AF mark 46 and corresponding selection marks 452, 462 are erased, as shown in FIG.

Note that in this embodiment, in the AF area function, the selectable area and the selected area can be distinguished by lighting or blinking, but they can also be distinguished by changing the lighting brightness, blinking cycle, etc. You can also do it.

Further, color identification may be performed using a color display.

Further, in this embodiment, there are four functions, and these are divided into two groups of two groups, but the present invention is also fully applicable to cases where there are a large number of functions. For example, divide 6 functions into 3 groups,
The group may be changed cyclically, or it may be divided into two groups and provided with a cyclic selection operation member or a selection operation member for each group, and three setting operation members for setting the contents of the function. Good too.

Furthermore, a two-stage selection operation member may be provided that divides the functions into large groups and further divides the functions into small groups. In this case, for example, for eight functions, if you first divide them into a large group containing four functions and then into a small group containing two functions, the cyclic method requires only two selection operation members. In addition, the number of operations is two at most, which is less than the case where two functions are simply selected cyclically (up to four times).

Additionally, if functions that are closely related to each other are grouped together, the camera will be even easier to use. For example, when in continuous shooting mode, moving subjects are often photographed, a wide area is suitable for the distance measurement area, which makes it easy to capture the subject, while in single shooting mode, when shooting a still subject, the distance measurement area is used to focus on a desired part of the subject. may be selected. Therefore, when changing the drive motor, the distance measurement area is often changed at the same time, and if these functions are grouped together, the time required for the setting operation will be shortened.

Note that the equipment to which the selection operation member and the setting operation member are applied is not limited to cameras, but can also be applied to any equipment that can be operated under the setting conditions of a plurality of functions.

〔Effect of the invention〕

As explained above, according to the present invention, the setting contents of the function are displayed on the liquid crystal display means interposed in the finder optical path, and the setting contents of the function are displayed superimposed on the subject image on the finder screen. This makes it possible for the photographer to set and confirm the functions while looking through the finder, thereby providing a camera with high operability.

Furthermore, since a plurality of setting members are provided so that a plurality of functions can be set, the contents of each function can be set and confirmed while looking through the finder.

Furthermore, since the contents of the functions are displayed using indicators and marks, setting operations and confirmation thereof are facilitated.

In addition, functions belonging to the selected group are displayed as indicators or marks, so many settings are not displayed on the viewfinder screen, which prevents the subject image from becoming difficult to see, and also prevents display confusion. We can provide a practical camera without any problems.

Furthermore, the function indicators and marks are turned off except when setting the function, so you can enjoy the QLI! In addition to properly capturing the image of the subject during stages, it is also possible to save power by turning off the light when it is not needed.

[Brief Description of the Drawings] Fig. 1 is a block diagram showing a control system of a camera according to the present invention, Fig. 2 is a block diagram showing an example of an attitude detection means, and Fig. 3 is a main configuration of a camera according to the present invention. Figure 4 shows the arrangement of the sensors in the focus detection section 2, Figure 5 shows the details of each ranging area 2a to 2d, and Figure 6 shows the photographing screen, that is, the viewfinder screen. A diagram showing the display position of each area a to d to be displayed, FIG. 7 is an external view of the camera 30 seen from the rear, FIG. 8 is a diagram showing the display contents displayed on the LCD 24,
That is, a diagram showing all the display contents displayed on the finder screen, FIG. 9 is a flowchart explaining the interrupt processing when either the shooting preparation switch 9 or the function button 10 is turned on, and FIG. A flowchart explaining the operation procedure when the function button 10 is turned on from OFF, Figures 11 to 17 are diagrams showing the display state of the finder screen at each step in Figure 10, and Figure 18 is the shooting preparation switch. A flowchart explaining the operation when 9 is pressed, FIG. 19 is a diagram showing the display state of the finder screen at each step in FIG. 18, and FIGS. 20 to 24 show other display examples of the finder screen. FIG. DESCRIPTION OF SYMBOLS 1... Microcomputer, 2... Focus detection part, 3... Lens drive part, 4... Photometry means, 5... DX detection part, 6
... LCD drive circuit, 61... Screen display drive circuit, 62... Off-screen display drive circuit, 7... On-body display means, 8... AND circuit, 9... Shooting preparation switch , 10...Function button, 11...Front up/down dial, 12...Rear up/down dial, 13...Attitude detection means, 14...Focus mode switch, 20...Finder mirror 21
... Focus plate, 22... Pentaprism, 23...
Imaging lens, 24...Transmissive liquid crystal panel, 25...
Submirror, 3o...Camera, 31...Finder, 32...On-body display section, 33...Shutter button, 41...Screen self-display portion, 42...Outside surface water portion, 43. ...FA meter display section, 44...dial mark, 45...r+/-" mark, 46...
AF mark, 47...ISO mark, 48...S/
C mark, 49... Focus display section, 50... 4-digit display section, 51... 2-digit display section, 450-4.80.451
~481...Selection mark, 70.71...Instruction mark, 2a-2d...Distance measurement area, a, b, c, d...
・Area, Wl, W2...Wide area. Figure 1 Figure 2 Figure Figure Figure Figure

Claims (1)

[Scope of Claims] 1. A liquid crystal display means interposed in the finder optical path, a function content setting means for setting the contents of a function that determines photographing conditions, and a display for displaying the setting contents of the function on the liquid crystal display means. What is claimed is: 1. A camera comprising a control means, and displaying function settings on a finder screen. 2. The camera according to claim 1, wherein the function content setting means includes a plurality of setting members so that settings can be made for a plurality of functions. 3. The camera according to claim 2, wherein the display control means blinks and displays the contents of the function being set by the function contents setting means as an index or a mark. 4. The plurality of functions are classified into at least two groups, and the display control means lights up and displays an index or mark of a function belonging to the selected group. Camera listed. 5. The camera according to claim 1 or 2, wherein the display control means turns off the indicator or mark of the function except when setting the content of the function.