JP4612763B2 - Imaging apparatus and control method thereof - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an imaging apparatus that captures, records, or reproduces still images and moving images, and a control method thereof.
[0002]
[Prior art]
Conventionally, when measuring an object such as a person lined up in this type of image pickup device, if the subject and the object are spaced apart, an erroneous distance measurement that causes the background to be inadvertently caused occurs. Sometimes. In such a case, distance measurement is performed at multiple points, and the closest subject among them is focused.
[0003]
[Problems to be solved by the invention]
However, the multi-point ranging technique as described above is not always versatile. For this reason, it is not always possible to obtain an image that is in focus on the subject in any situation, and a case where an image in which the subject is blurred may occur. For example, even if the subject is a distant view and you want to blur the front, the above-described conventional example may focus on the front and blur the subject.
[0004]
The present invention has been made in view of such circumstances, and an object of the present invention is to provide an imaging apparatus that takes such an inconvenience and captures an appropriate and good image and a control method thereof.
[0005]
[Means for Solving the Problems]
Imaging apparatus according to the present invention, recorded by the recording means an image captured by the imaging means, an image pickup apparatus that can be displayed by the display means the recorded image, the image for the data of an image captured by the image pickup means A distance measuring means that can measure a distance based on a calculation result by the processing means and can focus at multiple points, and a first distance measurement mode, a second distance measurement mode, and a third distance measurement mode are selected. A range-finding mode setting means, and a region for obtaining data in the first range-finding mode and a region for obtaining data in the third range-finding mode partially overlap, and the second range-finding The area for obtaining data in the mode and the area for obtaining data in the third distance measurement mode partially overlap, and the areas for obtaining the respective data in the order of the first, third, and second distance measurement modes are far away. Set to the first If the distance mode is selected, as well as focus control so focus is the farthest subject from among the multi-point in the distance measuring means, in the case of the second and third ranging mode, the closest subject If the focus is controlled so that it is in focus, and it is difficult to focus at any of the above-mentioned multiple points, a fixed point corresponding to each mode is used as the fixed point in the first distance measurement mode. 1 fixed point, a second fixed point in the second region in the second distance measuring mode, and a third fixed point in the third region in the third distance measuring mode and including infinity in the depth of field. It is characterized in that the focus is controlled.
[0006]
In the image pickup apparatus of the present invention, when the first distance measuring mode is selected, focus control is performed on the farthest point in focus among the multiple points.
[0007]
In the image pickup apparatus of the present invention, when the second distance measuring mode is selected, focus control is performed on a point closest to the in-focus position among the multiple points.
[0009]
The image pickup apparatus control method according to the present invention is an image pickup apparatus in which an image picked up by the image pickup means is recorded by the recording means, and the recorded image can be displayed by the display means. A method for controlling an image pickup apparatus, comprising: a distance measuring unit capable of performing image capturing; and a distance measuring mode setting unit capable of selecting at least a first distance measuring mode and a second distance measuring mode. When the distance mode is selected, focus control is performed so that a subject farther than when the second distance measurement mode is selected from among the multiple points in the distance measuring means, and the multiple points are selected. In any case, when it is difficult to focus, the focus control is performed on a distant view as compared with the case where the second distance measuring mode is selected.
[0013]
Further, the recording medium of the present invention is an image pickup apparatus in which an image picked up by the image pickup means is recorded by the recording means, and the recorded image can be displayed by the display means, and can be focused at multiple points. A program for controlling an imaging apparatus comprising distance measuring means and distance measurement mode setting means capable of selecting at least a first distance measurement mode and a second distance measurement mode, the first distance measurement When the mode is selected, focus control is performed so that a subject farther than when the second distance measurement mode is selected from among the multiple points in the distance measuring means, and any of the multiple points is selected. When it is difficult to focus on the camera, a program for causing the computer to execute a process for controlling the focus on a distant view than when the second distance measuring mode is selected is stored. And butterflies.
Further, in the recording medium of the present invention, when the first distance measuring mode is selected, the program causes the computer to perform a focus control process on a point farthest in focus among the multiple points. It is made to perform.
In the recording medium of the present invention, when the second distance measurement mode is selected, the program causes the computer to perform a focus control process on the closest point of focus among the multiple points. It is made to perform.
[0014]
According to the present invention, it is possible to select a distance measuring mode according to a subject to be photographed, and in the normal mode and the macro mode, the closest subject among many points is focused. In the distant view mode, the subject farthest among many points is focused. As described above, by performing optimal control for each selected distance measurement mode, it is possible to perform shooting smoothly and appropriately.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
Preferred embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 shows a configuration in an embodiment of the present invention. In the figure, reference numeral 100 denotes an image processing apparatus. Reference numeral 10 denotes a photographic lens, 12 denotes a shutter having a diaphragm function, and 14 denotes an image sensor that converts an optical image into an electric signal. The sensitivity of the image sensor can be changed by control of the system control circuit 50. Reference numeral 16 denotes an A / D converter that converts an analog signal output of the image sensor 14 into a digital signal. Reference numeral 18 denotes a timing at which a clock signal and a control signal are supplied to the image sensor 14, the A / D converter 16, and the D / A converter 26. The generation circuit is controlled by the memory control circuit 22 and the system control circuit 50.
[0016]
An image processing circuit 20 performs predetermined pixel interpolation processing and color conversion processing on the data from the A / D converter 16 or the data from the memory control circuit 22. In the image processing circuit 20, a predetermined calculation process is performed using the captured image data, and the system control circuit 50 controls the exposure control unit 40 and the distance measurement control unit 42 based on the obtained calculation result. TTL (through-the-lens) AF (autofocus) processing, AE (automatic exposure) processing, and EF (flash pre-emission) processing are performed. Further, the image processing circuit 20 performs predetermined arithmetic processing using captured image data, and also performs TTL AWB (auto white balance) processing based on the obtained arithmetic result.
[0017]
A memory control circuit 22 controls the A / D converter 16, the timing generation circuit 18, the image processing circuit 20, the image display memory 24, the D / A converter 26, the memory 30, and the compression / decompression circuit 32. Data of the A / D converter 16 is written into the image display memory 24 or the memory 30 via the image processing circuit 20, the memory control circuit 22, or directly via the memory control circuit 22.
[0018]
Reference numeral 24 denotes an image display memory, 26 denotes a D / A converter, and 28 denotes an image display unit including a TFT LCD or the like. The display image data written in the image display memory 24 is displayed by the image display unit 28 via the D / A converter 26. An electronic viewfinder function can be realized by sequentially displaying captured image data using the image display unit 28.
[0019]
The image display unit 28 can arbitrarily turn on / off the display according to an instruction from the system control circuit 50. When the display is turned off, the power consumption of the image processing apparatus 100 can be greatly reduced.
[0020]
Reference numeral 30 denotes a memory for storing captured still images and moving images, and has a sufficient storage capacity to store a predetermined number of still images and a predetermined time of moving images. Thereby, even in the case of continuous shooting or panoramic shooting in which a plurality of still images are continuously shot, a large amount of image writing can be performed at a high speed to the memory 30. The memory 30 can also be used as a work area for the system control circuit 50. A compression / decompression circuit 32 compresses / decompresses image data by adaptive discrete cosine transform (ADCT) or the like, reads an image stored in the memory 30, performs compression processing or expansion processing, and stores the processed data in the memory Write to 30.
[0021]
Reference numeral 40 denotes exposure control means for controlling the shutter 12 having a diaphragm function, and has a flash light control function in cooperation with the flash 48.
[0022]
Reference numeral 42 denotes a distance measurement control means for controlling the focusing of the photographing lens 10, reference numeral 44 denotes a zoom control means for controlling zooming of the photographing lens 10, and reference numeral 46 denotes an image stabilization control means for controlling the operation of the optical image stabilization means 102 which is a means for correcting shake. It is a control means. The anti-vibration control means 46 includes a normal mode with high power consumption but good tracking characteristics, and an economy mode with low power consumption but slightly poor tracking characteristics. A flash 48 has an AF auxiliary light projecting function and a flash light control function. The exposure control means 40 and the distance measurement control means 42 are controlled using the TTL method. Based on the calculation result obtained by calculating the captured image data by the image processing circuit 20, the system control circuit 50 performs the exposure control means 40 and the distance measurement. Control is performed on the control means 42.
[0023]
A system control circuit 50 controls the entire image processing apparatus 100, and a memory 52 stores constants, variables, programs, and the like for operation of the system control circuit 50. Reference numeral 54 denotes a display unit such as a liquid crystal display device or a speaker that displays an operation state or a message using characters, images, sounds, or the like in accordance with execution of a program in the system control circuit 50. One or a plurality of places are installed near the portion where they can be visually recognized, and are configured by a combination of, for example, an LCD, an LED, and a sounding element. The display unit 54 is partly installed in the optical viewfinder 104.
[0024]
Among the display contents of the display unit 54, what is displayed on the LCD or the like includes single shot / continuous shooting display, self-timer display, compression rate display, number of recorded pixels, number of recorded pixels, number of remaining images that can be captured, shutter Speed display, Aperture display, Exposure compensation display, Flash display, Red-eye reduction display, Macro shooting display, Buzzer setting display, Clock battery level display, Battery level display, Error display, Information display with multiple digits, recording There are a display state of the media 200 and 210, a communication I / F operation display, a date / time display, and the like.
[0025]
Among the display contents of the display unit 54, what is displayed in the optical viewfinder 104 includes in-focus display, camera shake warning display, flash charge display, shutter speed display, aperture value display, exposure correction display, and the like.
[0026]
Reference numeral 56 denotes an electrically erasable / recordable nonvolatile memory such as an EEPROM.
[0027]
Reference numerals 60, 62, 64, 66, 68, and 70 denote operation means for inputting various operation instructions of the system control circuit 50. A single unit such as a switch, a dial, a touch panel, pointing by line-of-sight detection, a voice recognition device, or the like Consists of multiple combinations.
[0028]
Here, a specific description of these operating means will be given.
Reference numeral 60 denotes a mode dial switch, which can switch and set various function modes such as power-off, automatic shooting mode, shooting mode, panorama splicing shooting mode, playback mode, multi-screen playback / erase mode, and PC connection mode.
Reference numeral 62 denotes a shutter switch SW1, which is turned on during the operation of a shutter button (not shown), and performs AF (auto focus) processing, AE (auto exposure) processing, AWB (auto white balance) processing, EF (flash pre-flash) processing, and the like. Instruct the start of operation.
[0029]
Reference numeral 64 denotes a shutter switch SW2, which is turned on when an operation of a shutter button (not shown) is completed, and an exposure process for writing a signal read from the image sensor 12 to the memory 30 via the A / D converter 16 and the memory control circuit 22. Then, the development processing using the calculation in the image processing circuit 20 and the memory control circuit 22 is performed, and the image data is read from the memory 30. Then, compression is performed by the compression / decompression circuit 32, and an instruction to start an operation of a series of processing such as recording processing for writing image data to the recording medium 200 or 210 is given.
[0030]
Reference numeral 66 denotes an image display ON / OFF switch, which can set ON / OFF of the image display unit 28. With this function, it is possible to save power by cutting off the current supply to the image display unit 28 such as a TFTLCD or the like when shooting using the optical finder 104.
[0031]
The distance measurement mode setting means 68 is a distance measurement mode such as a normal mode selected when shooting a normal subject, a macro mode selected when shooting a macro subject, and a distant view mode selected when shooting a distant view. Set up.
[0032]
Reference numeral 70 denotes an operation unit including various buttons, a touch panel, etc., a menu button, a set button, a multi-screen playback page change button, a flash setting button, a single shooting / continuous shooting / self-timer switching button, and a menu movement “+” (plus). Button, menu move "-" (minus) button, playback image move "+" (plus) button, play image move "-" (minus) button, shooting image quality selection button, exposure compensation button, date / time setting button, etc. is there.
[0033]
80 is a power supply control means, which is composed of a battery detection circuit, a DC-DC converter, a switch circuit for switching a block to be energized, etc., and detects whether or not a battery is installed, the type of battery, and the remaining battery level. The DC-DC converter is controlled based on the result and an instruction from the system control circuit 50, and a necessary voltage is supplied to each part including the recording medium for a necessary period. Reference numeral 82 denotes a connector, 84 denotes a connector, and 86 denotes a primary battery such as an alkaline battery or a lithium battery, a secondary battery such as a NiCd battery, a NiMH battery, or a Li battery, an AC adapter, or the like.
[0034]
90 and 94 are interfaces with a recording medium such as a memory card and a hard disk, 92 and 96 are connectors for connecting to a recording medium such as a memory card and a hard disk, and 98 is a recording medium 200 or 210 attached to the connector 92 and / or 96 It is a recording medium attachment / detachment detecting means for detecting whether or not the recording medium is being used.
[0035]
In the present embodiment, it is assumed that there are two systems of interfaces and connectors for attaching a recording medium. Of course, the interface and connector to which the recording medium is attached may have a single or a plurality of systems. Moreover, it is good also as a structure provided with combining the interface and connector of a different standard.
[0036]
The interface and the connector may be configured using a PCMCIA card, a CF (compact flash) card, or the like that conforms to a standard. Further, when the interfaces 90 and 94 and the connectors 92 and 96 are configured using a PCMCIA card, a CF (compact flash) card, or the like, a LAN card, a modem card, a USB card, an IEEE 1394 card, a P1284 card. By connecting various communication cards such as SCSI cards and communication cards such as PHS, image data and management information attached to the image data can be transferred to and from peripheral devices such as other computers and printers. .
[0037]
Reference numeral 102 denotes an optical image stabilization unit that prevents image blur and is controlled by the image stabilization control unit 46.
Reference numeral 104 denotes an optical viewfinder, which can take an image using only the optical viewfinder without using the electronic viewfinder function of the image display unit 28. Further, in the optical viewfinder 104, some functions of the display unit 54 such as an in-focus display, a camera shake warning display, a flash charge display, a shutter speed display, an aperture value display, an exposure correction display, and the like are installed.
A communication unit 110 has various communication functions such as RS232C, USB, IEEE1394, P1284, SCSI, modem, LAN, and wireless communication. Reference numeral 112 denotes a connector for connecting the image processing apparatus 100 to another device by the communication unit 110 or an antenna in the case of wireless communication.
[0038]
Reference numeral 200 denotes a recording medium such as a memory card or a hard disk. The recording medium 200 includes a recording unit 202 composed of a semiconductor memory, a magnetic disk, and the like, an interface 204 with the image processing apparatus 100, and a connector 206 that connects to the image processing apparatus 100.
Reference numeral 210 denotes a recording medium such as a memory card or a hard disk. The recording medium 210 includes a recording unit 212 composed of a semiconductor memory, a magnetic disk, or the like, an interface 214 with the image processing apparatus 100, and a connector 216 that connects to the image processing apparatus 100.
[0039]
The operation of the image processing apparatus 100 in this embodiment will be described with reference to FIG.
FIG. 2 shows a flowchart of the main routine of the image processing apparatus 100 of the present embodiment.
If the shutter switch SW1 (62) is pressed by the system control circuit 50 in step S101, the process proceeds to step S102, and if not, the process returns to step S101.
[0040]
In step S102, photographing preparation operations such as photometry and colorimetry are performed, and the process proceeds to step S103.
If the setting of the distance measurement mode setting means 68 is the normal mode in step S103, the process proceeds to step S105. If the macro mode is set, the process proceeds to step S104. If the distance measurement mode is set, the process proceeds to step S106.
[0041]
In step S104, multipoint ranging is performed using data output from the arithmetic processing of the image processing circuit 20 in the macro area, and the process proceeds to step S107.
In step S105, multipoint distance measurement is performed using data output from the arithmetic processing of the image processing circuit 20 in the normal region, and the process proceeds to step S108.
In step S106, in the distant view area, multipoint distance measurement is performed using data output from the arithmetic processing of the image processing circuit 20, and the process proceeds to step S109.
Here, the macro area is 10 cm to 60 cm, the normal area is 50 cm to infinity, and the distant view area is 3 m to infinity.
[0042]
In step S107, the reliability of the data output from the arithmetic processing of the image processing circuit 20 is determined. If even one of the multi-point ranging is reliable, the process proceeds to step S113, and if not, the process proceeds to step S110.
In step S108, the reliability of the data output from the arithmetic processing of the image processing circuit 20 is determined. If even one of the multi-point ranging is reliable, the process proceeds to step S113, and if not, the process proceeds to step S111.
In step S109, the reliability of the data output from the arithmetic processing of the image processing circuit 20 is determined. If even one point in the multi-point distance measurement is reliable, the process proceeds to step S114. Otherwise, the process proceeds to step S112.
[0043]
In step S110, a fixed point in the macro mode is calculated and set as the in-focus position, and the process proceeds to step S115. Here, the fixed point of the macro mode is an arbitrary distance within the macro area.
In step S111, a fixed point in the normal mode is calculated and set as the in-focus position, and the process proceeds to step S115. Here, the fixed point in the normal mode is an arbitrary distance including infinity within the depth.
In step S112, a fixed point in the distant view mode is calculated and set as a focus position, and the process proceeds to step S115. Here, the fixed point in the distant view mode is an arbitrary distance in the distant view area.
[0044]
In step S113, the closest in-focus position is selected from the distance measuring points reliable in step S107, and the process proceeds to step S115.
In step S114, the farthest in-focus position is selected from the distance measuring points reliable in step S107, and the process proceeds to step S115.
In step S115, the photographing lens 10 is moved to the in-focus position obtained as described above, and the process proceeds to step S116.
[0045]
If the shutter switch SW2 (64) is pressed in step S116, the process proceeds to step S118. Otherwise, the process proceeds to step S117.
If the shutter switch SW1 (62) is pressed in step S117, the process proceeds to step S116, and if not, the process returns to step S101.
In step S118, normal shooting is performed, and the process proceeds to step S119.
The image taken in step S119 is recorded, and the process returns to step S116.
[0046]
As described above, it is possible to select a distance measurement mode according to the subject to be photographed. In the normal mode and the macro mode, the closest object in the multi-point distance measurement is focused. By focusing on a distant subject and performing optimal control for each selected ranging mode, an image in focus on the subject can be obtained in many cases.
[0047]
In addition, by providing a distant view mode, you can focus on a fixed point in the distant view, even when the subject cannot be measured with a low contrast subject such as the sky. it can.
[0048]
Here, each functional block and processing procedure shown in the various embodiments described above may be configured by hardware, or configured by a microcomputer system including a CPU or MPU, ROM, RAM, and the like, and the operation thereof is performed by ROM. Alternatively, it may be realized according to a work program stored in the RAM. In addition, what is implemented by supplying a software program for realizing the function to the RAM so as to realize the function of the function block and operating the function block according to the program is also included in the scope of the present invention. include.
[0049]
In this case, the software program itself realizes the functions of the above-described embodiments, and the program itself and means for supplying the program to a computer, for example, a recording medium storing such a program are included in the present invention. Configure. As a storage medium for storing such a program, in addition to the ROM and RAM, for example, a floppy disk, a hard disk, an optical disk, a magneto-optical disk, a CD-ROM, a CD-I, a CD-R, a CD-RW, a DVD, a zip, a magnetic A tape or a non-volatile memory card can be used.
[0050]
Further, by executing the program supplied by the computer, not only the functions of the above-described embodiments are realized, but also the OS (operating system) or other application software in which the program is running on the computer. Needless to say, such a program is included in the embodiment of the present invention even when the functions of the above-described embodiment are realized.
[0051]
Further, after the supplied program is stored in the memory provided in the function expansion board of the computer or the function expansion unit connected to the computer, the CPU or the like provided in the function expansion board or function expansion unit based on the instructions of the program Needless to say, the present invention includes the case where the functions of the above-described embodiment are realized by performing part or all of the actual processing.
[0052]
【The invention's effect】
As described above, according to the present invention, the focus control is performed on the point corresponding to the selected ranging mode from among the multiple points measured by the ranging unit in this type of imaging apparatus. Good shooting with smooth and proper focus can be performed in many extreme shooting situations. In this case, there are advantages such as easy handling and excellent usability.
[Brief description of the drawings]
FIG. 1 is a block diagram showing a configuration example in an embodiment of the present invention.
FIG. 2 is a flowchart showing a part of a main routine of apparatus operation in the embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Shooting lens 12 Shutter 14 Image pick-up element 16 A / D converter 18 Timing generation circuit 20 Image processing circuit 22 Memory control circuit 24 Image display memory 26 D / A converter 28 Image display part 30 Memory 32 Image compression / expansion circuit 40 Exposure Control means 42 Distance control means 44 Zoom control means 46 Anti-vibration control means 48 Flash 50 System control circuit 52 Memory 54 Display unit 56 Non-volatile memory 60 Mode dial switch 62 Shutter switch SW1
64 Shutter switch SW2
66 Image display ON / OFF switch 68 Ranging mode switch 70 Operation unit 80 Power supply control means 82 Connector 84 Connector 86 Power supply means 90 Interface 92 Connector 94 Interface 96 Connector 98 Recording medium attachment / detachment detection means 100 Image processing apparatus 102 Optical image stabilization means 104 Optical finder 110 Communication means 112 Connector (or antenna)
200 Recording Medium 202 Recording Unit 204 Interface 206 Connector 210 Recording Medium 212 Recording Unit 214 Interface 216 Connector

Claims (5)

An image pickup apparatus that records an image picked up by an image pickup means by a recording means and displays the recorded image by a display means,
Ranging means capable of ranging based on the calculation result of the image processing means on the image data captured by the imaging means and focusing at multiple points, the first ranging mode and the second ranging A ranging mode setting means capable of selecting a mode and a third ranging mode;
The area for obtaining data in the first distance measurement mode and the area for obtaining data in the third distance measurement mode partially overlap, and the area for obtaining data in the second distance measurement mode and the third distance measurement mode. partially overlap the regions to obtain data in the distance measurement mode,
The areas for obtaining the respective data in the order of the first, third and second ranging modes are set far away,
When the first distance measuring mode is selected, focus control is performed so that the object farthest from the multiple points in the distance measuring means is in focus, and in the case of the second and third distance measuring modes. Controls the focus so that the closest subject is in focus,
When it is difficult to focus at any of the multiple points , the first fixed point in the first area and the second fixed distance measuring mode are used as fixed points corresponding to the modes in the first distance measuring mode. The focus control is performed on the second fixed point in the second region, and in the third distance measuring mode, the focus is controlled on the third fixed point in the third region and including infinity in the depth of field. An imaging device. An imaging apparatus that records an image captured by an imaging unit by a recording unit and displays the recorded image by a display unit, and based on a calculation result by an image processing unit on data of an image captured by the imaging unit Ranging means capable of ranging and focusing at multiple points; Ranging mode setting means capable of selecting a first ranging mode, a second ranging mode, and a third ranging mode; A method for controlling an imaging apparatus comprising:
The area for obtaining data in the first distance measurement mode and the area for obtaining data in the third distance measurement mode partially overlap, and the area for obtaining data in the second distance measurement mode and the third distance measurement mode. Partly overlap with the area where data is acquired in the distance measurement mode.
A region for obtaining each data in the order of the first, third and second ranging modes is set far away,
When the first distance measuring mode is selected, focus control is performed so that the object farthest from the multiple points in the distance measuring means is in focus, and in the case of the second and third distance measuring modes. Controls the focus so that the closest subject is in focus,
When it is difficult to focus at any of the multiple points , the first fixed point in the first area and the second fixed distance measuring mode are used as fixed points corresponding to the modes in the first distance measuring mode. Is focused on the second fixed point in the second region, and in the third distance measuring mode, the focus is controlled at the third fixed point in the third region and including infinity in the depth of field. Device control method. An imaging apparatus that records an image captured by an imaging unit by a recording unit and displays the recorded image by a display unit, and based on a calculation result by an image processing unit on data of an image captured by the imaging unit Ranging means capable of ranging and focusing at multiple points; Ranging mode setting means capable of selecting a first ranging mode, a second ranging mode, and a third ranging mode; Is a program for controlling an imaging apparatus equipped with
The area for obtaining data in the first distance measurement mode and the area for obtaining data in the third distance measurement mode partially overlap, and the area for obtaining data in the second distance measurement mode and the third distance measurement mode. Partly overlap with the area where data is acquired in the distance measurement mode.
A region for obtaining each data in the order of the first, third and second ranging modes is set far away,
When the first distance measuring mode is selected, focus control is performed so that the object farthest from the multiple points in the distance measuring means is in focus, and in the case of the second and third distance measuring modes. Controls the focus so that the closest subject is in focus,
When it is difficult to focus at any of the multiple points , the first fixed point in the first area and the second fixed distance measuring mode are used as fixed points corresponding to the modes in the first distance measuring mode. Then, in the third distance measurement mode, the computer executes a process for controlling the focus to the third fixed point in the third area and including infinity in the depth of field . A computer-readable recording medium characterized by storing a program. The program, when the first distance measuring mode is selected, causes the computer to execute a process of performing focus control on a point farthest in focus among the multiple points. computer-readable recording medium according to 3. The program, when the second distance measuring mode is selected, causes a computer to execute a focus control process on a point closest to a focused position among the multiple points. computer-readable recording medium according to 3.

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