Electronic apparatus, method for controlling electronic apparatus, program, and storage medium

Abstract

To easily check a result of focus adjustment in specific focus adjustment (at least one of autofocus and manual focus).SOLUTION: An electronic apparatus has acquisition means that acquires a picked-up image having a plurality of image areas picked up through a plurality of optical systems; and display control means that performs control to display the picked-up image. When focus adjustment is performed by autofocus (AF), the display control means performs control to change an image to be displayed from the picked-up image to an enlarged image obtained by enlarging an area where the AF can be performed in any one of the plurality of image areas.SELECTED DRAWING: Figure 9

Description

Technical Field

[0001] The present invention relates to an electronic device, a control method for an electronic device, a program, and a storage medium.

Background Art

[0002] There is known a technique of acquiring an image having two image regions with parallax using two optical systems facing the same direction, and displaying the two image regions in a stereoscopically viewable manner. There is also a camera that can capture an image having two image regions with parallax by mounting a lens unit having two optical systems facing the same direction. By using a circumferential fisheye lens as each optical system, an image region representing a wide range of 180 degrees or more (hemisphere, 90 degrees in all directions from the image center) can be obtained as each image region.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] When using a plurality of optical systems, the subject appears smaller than when using a single optical system, so it is difficult for the user to check the focus adjustment result. In order to make it easier to check the focus adjustment result, it is also conceivable to enlarge a partial region of the captured image. However, since the region to be enlarged varies depending on the type of focus adjustment, it is not simply a matter of enlarging.

[0005] An object of the present invention is to provide a technique that can easily confirm the focus adjustment result in a specific focus adjustment (at least one of autofocus and manual focus).

Means for Solving the Problems

[0006] A first aspect of the present invention includes acquisition means for acquiring a captured image having a plurality of image regions captured through a plurality of optical systems, respectively, and display control means for controlling to display the captured image. When focus adjustment is performed by autofocus (AF), the display control means controls to switch the image to be displayed from the captured image to an enlarged image obtained by enlarging an AF-enabled region in any one of the plurality of image regions. The electronic device is characterized by this.

[0007] A second aspect of the present invention includes acquisition means for acquiring a captured image having a plurality of image regions captured through a plurality of optical systems, respectively, and display control means for controlling to display the captured image. When focus adjustment is performed by manual focus (MF), the display control means controls to switch the image to be displayed from the captured image to an enlarged image obtained by enlarging any one of the plurality of image regions. The electronic device is characterized by this.

Advantages of the Invention

[0008] According to the present invention, in a specific focus adjustment (at least one of autofocus and manual focus), the adjustment result of the focus can be easily confirmed.

Brief Description of the Drawings

[0009]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Figure 9

Embodiments for Carrying Out the Invention

[0010] Hereinafter, embodiments according to the present invention will be described in detail with reference to the drawings. In this embodiment, the case where the electronic device is a digital camera (imaging device) will be described as an example.

[0011] FIG. 1 is a schematic diagram showing an example of the overall configuration of the system according to this embodiment. The system according to this embodiment includes a digital camera (camera) 100 and a lens unit attached to the camera 100. In FIG. 1, a lens unit 300 is attached (connected) to the camera 100. Although details of the lens unit 300 will be described later, by attaching the lens unit 300, the camera 100 can capture one image (still image or moving image) including two image regions having a predetermined parallax.

[0012] FIGS. 2(A) and 2(B) are external views showing an example of the appearance of the camera 100. FIG. 2(A) is a perspective view of the camera 100 seen from the front side, and FIG. 2(B) is a perspective view of the camera 100 seen from the back side.

[0013] The camera 100 has, on its upper surface, a shutter button 101, a power switch 102, a mode switching switch 103, a main electronic dial 104, a sub electronic dial 105, a video button 106, and an external viewfinder display unit 107. The shutter button 101 is an operation member for giving an instruction for preparation for shooting or an instruction for shooting. The power switch 102 is an operation member for switching on and off the power of the camera 100. The mode switching switch 103 is an operation member for switching various modes. The main electronic dial 104 is a rotary operation member for changing set values such as shutter speed and aperture. The sub electronic dial 105 is a rotary operation member for moving a selection frame (cursor) or advancing an image. The video button 106 is an operation member for giving an instruction to start or stop video shooting (recording). The external viewfinder display unit 107 displays various set values such as shutter speed and aperture.

[0014] The camera 100 has, on its back, a display unit 108, a touch panel 109, direction keys 110, a SET button 111, an AE lock button 112, a zoom button 113, a playback button 114, a menu button 115, an eyepiece portion 116, an eyepiece detection unit 118, and a touch bar 119. The display unit 108 displays images and various types of information. The touch panel 109 is an operation member that detects touch operations on the display surface (touch operation surface) of the display unit 108. The direction keys 110 are an operation unit composed of keys (4-direction keys) that can be pressed in the up, down, left, and right directions respectively. Processing can be performed according to the position where the direction keys 110 are pressed. The SET button 111 is an operation member that is mainly pressed when determining a selected item. The AE lock button 112 is an operation member that is pressed when fixing the exposure state in the shooting standby state. The zoom button 113 is an operation member for switching the on and off states of the zoom mode in the live view display (LV display) in the shooting mode. When the zoom mode is on, the live view image (LV image) can be enlarged or reduced by operating the main electronic dial 104. Also, the zoom button 113 is used when enlarging the playback image or increasing the magnification rate in the playback mode. The playback button 114 is an operation member for switching between the shooting mode and the playback mode. By pressing the playback button 114 in the shooting mode, the camera shifts to the playback mode, and the latest image among the images recorded on the recording medium 227 described later can be displayed on the display unit 108.

[0015] The menu button 115 is an operation member that is pressed to display a menu screen on which various settings can be made on the display unit 108. The user can intuitively perform various settings using the menu screen displayed on the display unit 108, the direction keys 110, and the SET button 111. The eyepiece portion 116 is a part where the user looks into the eyepiece finder (peeping type finder) 117. The user can visually recognize the video displayed on the EVF 217 (Electronic View Finder) described later inside the camera 100 through the eyepiece portion 116. The eyepiece detection unit 118 is a sensor that detects whether the user is looking into the eyepiece portion 116 (eyepiece finder 117).

[0016] The touch bar 119 is a linear touch operation member (line touch sensor) capable of receiving touch operations. The touch bar 119 is arranged at a position where it can be touched (touched) with the right thumb in a state where the grip portion 120 is held in the right hand (a state where it is held with the little finger, ring finger, and middle finger of the right hand) so that the shutter button 101 can be pressed with the index finger of the right hand. That is, the touch bar 119 is operable in a state (shooting posture) where the user peeks into the eyepiece 116 through the viewfinder 117 and can press the shutter button 101 at any time. The touch bar 119 can receive a tap operation on the touch bar 119 (an operation of touching and releasing without moving the touch position within a predetermined period), a slide operation to the left and right (an operation of moving the touch position while keeping the touch after touching), and the like. The touch bar 119 is an operation member different from the touch panel 109 and does not have a display function. The touch bar 119 functions as, for example, a multifunction bar (M-Fn bar) to which various functions can be assigned.

[0017] In addition, the camera 100 includes a grip portion 120, a thumb rest portion 121, a terminal cover 122, a lid 123, a communication terminal 124, and the like. The grip portion 120 is a holding portion formed in a shape that is easy to hold with the right hand when the user holds the camera 100. With the grip portion 120 held by the little finger, ring finger, and middle finger of the right hand to hold the camera 100, the shutter button 101 and the main electronic dial 104 are arranged at positions operable by the index finger of the right hand. Also, in the same state, the sub electronic dial 105 and the touch bar 119 are arranged at positions operable by the thumb of the right hand. The thumb rest portion 121 (thumb standby position) is a grip portion provided at a location on the back side of the camera 100 where it is easy to place the thumb of the right hand that is holding the grip portion 120 without operating any operation members. The thumb rest portion 121 is composed of a rubber member or the like for enhancing the holding force (grip feeling). The terminal cover 122 protects connectors such as connection cables for connecting the camera 100 to an external device (external apparatus). The lid 123 protects the recording medium 227 and the slot by closing the slot for storing the recording medium 227 described later. The communication terminal 124 is a terminal for communicating with the lens unit (such as the lens unit 200 and the lens unit 300 described later) that is detachable from the camera 100.

[0018] FIG. 3 is a block diagram showing an example of the configuration of the camera 100. In FIG. 3, the same components as those in FIGS. 2(A) and 2(B) are denoted by the same reference numerals as in FIGS. 2(A) and 2(B), and the description of those components is omitted as appropriate. In FIG. 3, the lens unit 200 is attached to the camera 100.

[0019] First, the lens unit 200 will be described. The lens unit 200 is a type of interchangeable lens unit that is detachable from the camera 100. The lens unit 200 is a single-lens lens unit and is an example of a normal lens unit. The lens unit 200 includes a diaphragm 201, a lens 202, a diaphragm drive circuit 203, an AF (auto focus) drive circuit 204, a lens system control circuit 205, a communication terminal 206, and the like.

[0020] The aperture 201 is configured such that its aperture diameter is adjustable. The lens 202 is composed of a plurality of lenses. The aperture drive circuit 203 adjusts the light amount by controlling the aperture diameter of the aperture 201. The AF drive circuit 204 drives the lens 202 to focus. The lens system control circuit 205 controls the aperture drive circuit 203, the AF drive circuit 204, etc. based on an instruction from the system control unit 50, which will be described later. The lens system control circuit 205 controls the aperture 201 via the aperture drive circuit 203 and focuses by changing the position of the lens 202 via the AF drive circuit 204. The lens system control circuit 205 is capable of communicating with the camera 100. Specifically, communication is performed via the communication terminal 206 of the lens unit 200 and the communication terminal 124 of the camera 100. The communication terminal 206 is a terminal for the lens unit 200 to communicate with the camera 100 side.

[0021] Next, the camera 100 will be described. The camera 100 includes a shutter 210, an imaging unit 211, an A / D converter 212, a memory control unit 213, an image processing unit 214, a memory 215, a D / A converter 216, an EVF 217, a display unit 108, and a system control unit 50.

[0022] The shutter 210 is a focal plane shutter that can freely control the exposure time of the imaging unit 211 based on an instruction from the system control unit 50. The imaging unit 211 is an image sensor composed of a CCD, a CMOS element, or the like that converts an optical image into an electrical signal. The imaging unit 211 may have an imaging surface phase difference sensor that outputs defocus amount information to the system control unit 50. The A / D converter 212 converts the analog signal output from the imaging unit 211 into a digital signal. The image processing unit 214 performs predetermined processing (such as pixel interpolation, resizing processing such as reduction, color conversion processing, etc.) on the data from the A / D converter 212 or the data from the memory control unit 213. Also, the image processing unit 214 performs predetermined arithmetic processing using the captured image data, and based on the obtained arithmetic result, the system control unit 50 performs exposure control and distance measurement control. By this processing, TTL (through-the-lens) type AF processing, AE (automatic exposure) processing, EF (flash pre-emission) processing, etc. are performed. Further, the image processing unit 214 performs predetermined arithmetic processing using the captured image data, and based on the obtained arithmetic result, the system control unit 50 performs TTL type AWB (auto white balance) processing.

[0023] The image data from the A / D converter 212 is written into the memory 215 via the image processing unit 214 and the memory control unit 213. Alternatively, the image data from the A / D converter 212 is written into the memory 215 via the memory control unit 213 without passing through the image processing unit 214. The memory 215 stores the image data obtained by the imaging unit 211 and converted into digital data by the A / D converter 212, and the image data for display on the display unit 108 and the EVF 217. The memory 215 has a storage capacity sufficient to store a predetermined number of still images, a moving image for a predetermined time, and audio. Also, the memory 215 doubles as a memory for image display (video memory).

[0024] The D / A converter 216 converts the image data for display stored in the memory 215 into an analog signal and supplies it to the display unit 108 and the EVF 217. Therefore, the image data for display written in the memory 215 is displayed on the display unit 108 and the EVF 217 via the D / A converter 216. The display unit 108 and the EVF 217 perform display according to the analog signal from the D / A converter 216. The display unit 108 and the EVF 217 are, for example, displays such as an LCD or an organic EL. The digital signal A / D-converted by the A / D converter 212 and stored in the memory 215 is converted into an analog signal by the D / A converter 216 and sequentially transferred to the display unit 108 and the EVF 217 for display, thereby performing live view display.

[0025] The system control unit 50 is a control unit composed of at least one processor and / or at least one circuit. That is, the system control unit 50 may be a processor, a circuit, or a combination of a processor and a circuit. The system control unit 50 controls the entire camera 100. The system control unit 50 realizes each process of the flowchart described later by executing the program recorded in the non-volatile memory 219. Further, the system control unit 50 also performs display control by controlling the memory 215, the D / A converter 216, the display unit 108, the EVF 217, and the like.

[0026] In addition, the camera 100 includes a system memory 218, a non-volatile memory 219, a system timer 220, a communication unit 221, an attitude detection unit 222, and an eyepiece detection unit 118.

[0027] As the system memory 218, for example, RAM is used. In the system memory 218, constants, variables, programs read from the non-volatile memory 219, etc., for the operation of the system control unit 50 are expanded. The non-volatile memory 219 is an electrically erasable and recordable memory, and for example, EEPROM is used as the non-volatile memory 219. In the non-volatile memory 219, constants, programs, etc., for the operation of the system control unit 50 are recorded. The program here is a program for executing the flowchart described later. The system timer 220 is a timing unit that measures the time used for various controls and the time of the built-in clock. The communication unit 221 transmits and receives video signals and audio signals to and from external devices connected by a wireless or wired cable. The communication unit 221 can also be connected to a wireless LAN (Local Area Network) or the Internet. Also, the communication unit 221 can communicate with external devices using Bluetooth (registered trademark) or Bluetooth Low Energy. The communication unit 221 can transmit the image captured by the imaging unit 211 (including live images) and the image recorded on the recording medium 227, and can receive images and other various information from external devices. The attitude detection unit 222 detects the attitude of the camera 100 with respect to the direction of gravity. Based on the attitude detected by the attitude detection unit 222, it is possible to determine whether the image captured by the imaging unit 211 is an image captured with the camera 100 held horizontally or vertically. The system control unit 50 can add orientation information corresponding to the attitude detected by the attitude detection unit 222 to the image file of the image captured by the imaging unit 211, or rotate the image according to the detected attitude. For the attitude detection unit 222, for example, an acceleration sensor, a gyro sensor, etc. can be used. It is also possible to detect the movement of the camera 100 (such as panning, tilting, lifting, whether it is stationary or not, etc.) using the attitude detection unit 222.

[0028] The eyepiece detection unit 118 can detect the approach of any object to the eyepiece unit 116 (eyepiece finder 117). For the eyepiece detection unit 118, for example, an infrared proximity sensor can be used. When an object approaches, the infrared rays projected from the light projecting unit of the eyepiece detection unit 118 are reflected by the object and received by the light receiving unit of the infrared proximity sensor. The distance from the eyepiece unit 116 to the object can be determined based on the amount of the received infrared rays. In this way, the eyepiece detection unit 118 performs eyepiece detection to detect the proximity distance of the object to the eyepiece unit 116. The eyepiece detection unit 118 is an eyepiece detection sensor that detects the approach (eyepiece contact) and separation (eyepiece release) of the eye (object) to the eyepiece unit 116. When an object approaching within a predetermined distance to the eyepiece unit 116 is detected from the non-eyepiece state (non-approach state), it is detected that the eyepiece is in contact. On the other hand, when an object whose approach has been detected moves away by a predetermined distance or more from the eyepiece state (approach state), it is detected that the eyepiece is released. The threshold value for detecting eyepiece contact and the threshold value for detecting eyepiece release may be different, for example, by providing hysteresis. Also, after detecting eyepiece contact, it is assumed to be in the eyepiece state until eyepiece release is detected. After detecting eyepiece release, it is assumed to be in the non-eyepiece state until eyepiece contact is detected. The system control unit 50 switches the display (display state) / non-display (non-display state) of the display unit 108 and the EVF 217 according to the state detected by the eyepiece detection unit 118. Specifically, at least in the shooting standby state and when the switching setting of the display destination is automatic switching, when not in the eyepiece state, the display destination is the display unit 108 and the display is turned on, and the EVF 217 is not displayed. Also , when in the eyepiece state, the display destination is the EVF 217 and the display is turned on, and the display unit 108 is not displayed. Note that the eyepiece detection unit 118 is not limited to an infrared proximity sensor, and other sensors may be used for the eyepiece detection unit 118 as long as it can detect a state that can be regarded as eyepiece contact.

[0029] Also, the camera 100 includes an external finder display unit 107, an external finder display drive circuit 223, a power control unit 224, a power supply unit 225, a recording medium I / F 226, an operation unit 228, and the like.

[0030] The external finder display unit 107 is driven by the external finder display drive circuit 223 and displays various setting values of the camera 100 such as shutter speed and aperture. The power control unit 224 is composed of a battery detection circuit, a DC-DC converter, a switch circuit for switching the energized block, etc., and detects the presence or absence of battery installation, the type of battery, the remaining battery level, etc. Further, the power control unit 224 controls the DC-DC converter based on the detection result and the instruction of the system control unit 50, and supplies the necessary voltage to each unit including the recording medium 227 for the necessary period. The power supply unit 225 is a primary battery such as an alkaline battery and a lithium battery, a secondary battery such as a NiCd battery, a NiMH battery, and a Li battery, an AC adapter, etc. The recording medium I / F 226 is an interface with the recording medium 227 such as a memory card and a hard disk. The recording medium 227 is a memory card or the like for recording the captured image, and is composed of a semiconductor memory, a magnetic disk, etc. The recording medium 227 may be detachable from the camera 100 or may be built in the camera 100.

[0031] The operation unit 228 is an input unit that receives operations (user operations) from the user and is used to input various instructions to the system control unit 50. The operation unit 228 includes a shutter button 101, a power switch 102, a mode changeover switch 103, a touch panel 109, other operation units 229, etc. The other operation units 229 include a main electronic dial 104, a sub electronic dial 105, a movie button 106, a direction key 110, a SET button 111, an AE lock button 112, a zoom button 113, a playback button 114, a menu button 115, a touch bar 119, etc.

[0032] The shutter button 101 has a first shutter switch 230 and a second shutter switch 231. The first shutter switch 230 turns on during the operation of the shutter button 101, i.e., in the so-called half-press (shooting preparation instruction), and outputs a first shutter switch signal SW1. The system control unit 50 starts shooting preparation processes such as AF processing, AE processing, AWB processing, and EF processing in response to the first shutter switch signal SW1. The second shutter switch 231 turns on when the operation of the shutter button 101 is completed, i.e., in the so-called full-press (shooting instruction), and outputs a second shutter switch signal SW2. The system control unit 50 starts a series of shooting processes from reading the signal from the imaging unit 211 to generating an image file including the captured image and writing it to the recording medium 227 in response to the second shutter switch signal SW2.

[0033] The mode switch 103 switches the operation mode of the system control unit 50 to any one of the still image shooting mode, video shooting mode, playback mode, etc. The modes included in the still image shooting mode are the auto shooting mode, auto scene discrimination mode, manual mode, aperture priority mode (Av mode), shutter speed priority mode (Tv mode), program AE mode (P mode). Also, there are various scene modes and custom modes for shooting settings according to the shooting scene. The user can directly switch to any of the above shooting modes by the mode switch 103. Alternatively, the user can first switch to the list screen of the shooting modes by the mode switch 103 and then selectively switch to any one of the displayed multiple modes using the operation unit 228. Similarly, the video shooting mode may also include a plurality of modes.

[0034] The touch panel 109 is a touch sensor that detects various touch operations on the display surface of the display unit 108 (the operation surface of the touch panel 109). The touch panel 109 and the display unit 108 can be integrally configured. For example, the touch panel 109 is attached to the upper layer of the display surface of the display unit 108 so that the light transmittance does not interfere with the display of the display unit 108. Then, by associating the input coordinates on the touch panel 109 with the display coordinates on the display surface of the display unit 108, a GUI (Graphical User Interface) can be configured as if the user can directly operate the screen displayed on the display unit 108. The touch panel 109 can use any one of various methods such as a resistive film method, a capacitance method, a surface acoustic wave method, an infrared method, an electromagnetic induction method, an image recognition method, and an optical sensor method. Depending on the method, there are methods that detect a touch when there is contact with the touch panel 109, and methods that detect a touch when a finger or a pen approaches the touch panel 109, but any method may be used.

[0035] The system control unit 50 can detect the following operations or states on the touch panel 109. · A finger or pen that was not touching the touch panel 109 newly touches the touch panel 109, that is, the start of a touch (hereinafter referred to as Touch-Down). · A state in which the touch panel 109 is being touched with a finger or a pen (hereinafter referred to as Touch-On). · The finger or pen that is touching the touch panel 109 is moving while touching (hereinafter referred to as Touch-Move). · A finger or pen that was touching the touch panel 109 has left (been released) from the touch panel 109, that is, the end of a touch (hereinafter referred to as Touch-Up). · A state in which nothing is touching the touch panel 109 (hereinafter referred to as Touch-Off).

[0036] When a touch-down is detected, a touch-on is also detected simultaneously. After a touch-down, unless a touch-up is detected, a touch-on is usually detected continuously. Even when a touch-move is detected, a touch-on is detected continuously. Even if a touch-on is detected, if the touch position does not move, a touch-move is not detected. After it is detected that all fingers and pens that were touching have touched up, it becomes a touch-off.

[0037] These operations and states, and the position coordinates where a finger or pen is touching on the touch panel 109 are notified to the system control unit 50 through the internal bus. The system control unit 50 determines what kind of operation (touch operation) has been performed on the touch panel 109 based on the notified information. Regarding a touch-move, the moving direction of the finger or pen moving on the touch panel 109 can also be determined for each vertical component and horizontal component on the touch panel 109 based on the change in the position coordinates. When it is detected that a touch-move has been made by a predetermined distance or more, it is determined that a slide operation has been performed. An operation of quickly moving a finger a certain distance while touching the touch panel 109 and then leaving it as it is is called a flick. In other words, a flick is an operation of quickly tracing on the touch panel 109 as if pushing it with a finger. When it is detected that a touch-move has been made by a predetermined distance or more at a predetermined speed or more and a touch-up is detected as it is, it is determined that a flick has been performed (it can be determined that there is a flick following a slide operation). Furthermore, a touch operation of touching multiple locations (for example, two points) together (multi-touching) and bringing the touch positions closer to each other is called a pinch-in, and a touch operation of moving the touch positions away from each other is called a pinch-out. The pinch-out and pinch-in are collectively called a pinch operation (or simply a pinch).

[0038] FIG. 4 is a schematic diagram showing an example of the configuration of the lens unit 300. FIG. 4 shows a state where the lens unit 300 is attached to the camera 100. Among the components of the camera 100 shown in FIG. 4, the same components as those described in FIG. 3 are given the same reference numerals as in FIG. 3, and the description of those components is omitted as appropriate.

[0039] The lens unit 300 is a type of interchangeable lens unit that is detachable from the camera 100. The lens unit 300 is a binocular lens unit capable of imaging right and left images with parallax. The lens unit 300 has two optical systems, and each of the two optical systems can image a subject within a range of a substantially 180-degree wide viewing angle. Specifically, with each of the two optical systems of the lens unit 300, a subject within a viewing field (angle of view) of 180 degrees in the left-right direction (horizontal angle, azimuth angle, yaw angle) and 180 degrees in the up-down direction (vertical angle, pitch angle) can be imaged. That is, with each of the two optical systems, a range of the front hemisphere can be imaged.

[0040] The lens unit 300 includes a right-eye optical system 301R having a plurality of lenses and a reflection mirror, etc., a left-eye optical system 301L having a plurality of lenses and a reflection mirror, etc., a lens system control circuit 303, and a focus drive circuit 304. The right-eye optical system 301R has a lens 302R disposed on the subject side, and the left-eye optical system 301L has a lens 302L disposed on the subject side. The lens 302R and the lens 302L face the same direction, and their optical axes are substantially parallel.

[0041] The lens system control circuit 303 controls the focus drive circuit 304. The lens system control circuit 303 adjusts the focus by changing the positions of the lens 302R and the lens 302L via the focus drive circuit 304. The focus drive circuit 304 drives the lens 302L in conjunction with the lens 302R. That is, the focus of the entire lens unit 300 is adjusted. By adjusting the focus, no focus shift occurs between the right image formed via the right-eye optical system 301R and the left image formed via the left-eye optical system 301L. In the case where a focus shift occurs between the right image and the left image, the user can finely adjust it with an adjustment unit (not shown in FIG. 4).

[0042] The lens unit 300 is a binocular lens unit (VR180 lens unit) for obtaining an image of VR180, which is one of the formats of VR (Virtual Reality) images enabling binocular stereoscopic vision. The lens unit 300 has a fisheye lens capable of capturing a range of approximately 180 degrees in each of the right optical system 301R and the left optical system 301L. Note that the range that can be captured by the lenses of each of the right optical system 301R and the left optical system 301L may be about 160 degrees, which is narrower than the 180-degree range. The lens unit 300 can form an image of the right image formed through the right optical system 301R and the left image formed through the left optical system 301L on one or two imaging elements of the camera to which the lens unit 300 is attached. In the camera 100, the right image and the left image are formed on one imaging element (imaging sensor), and one image (binocular image) in which the right image region (region of the right image) and the left image region (region of the left image) are arranged side by side is generated.

[0043] The lens unit 300 is attached to the camera 100 via the lens mount portion 307 and the camera mount portion 305 of the camera 100. By doing so, the system control unit 50 of the camera 100 and the lens system control circuit 303 of the lens unit 300 are electrically connected via the communication terminal 124 of the camera 100 and the communication terminal 306 of the lens unit 300.

[0044] FIG. 5 is a schematic diagram showing an example of the captured image 500 of the camera 100. In FIG. 5, the right image region 501R formed through the right optical system 301R and the left optical system 301L The left image area 501L and the right image area 501R are imaged side by side (as a set) on the imaging unit 211 of the camera 100. That is, two optical images (subject images) are respectively imaged on two areas of one imaging element (imaging sensor) by the right-eye optical system 301R and the left-eye optical system 301L. The imaging unit 211 converts the imaged optical image (optical signal) into an analog electrical signal. By using the lens unit 300 in this way, one image including two image areas with parallax can be acquired from two locations (optical systems), namely the right-eye optical system 301R and the left-eye optical system 301L. By dividing the acquired image into a left-eye image and a right-eye image and performing VR display, the user can view a stereoscopic VR image in a range of approximately 180 degrees. That is, the user can view the VR180 image stereoscopically. In the example of FIG. 5, each of the left image area 501L and the right image area 501R is an area of a circumferential fisheye image.

[0045] Here, a VR image is an image that can be VR-displayed as described later. VR images include omnidirectional images (full-sphere images) captured by an omnidirectional camera (full-sphere camera), panoramic images having a video range (effective video range) wider than the display range that can be displayed at once on the display unit, and the like. Also, VR images are not limited to still images, but also include moving images and live images (images acquired from a camera almost in real time). A VR image has a video range (effective video range) of up to 360 degrees in the left-right direction and 360 degrees in the up-down direction. Also, VR images include images having a wider angle of view than the angle of view that can be captured by a normal camera, or a video range wider than the display range that can be displayed at once on the display unit, even if they are less than 360 degrees in the left-right direction and less than 360 degrees in the up-down direction. The image captured by the camera 100 using the above-described lens unit 300 is a type of VR image. A VR image can be VR-displayed, for example, by setting the display mode of a display device (a display device capable of displaying a VR image) to "VR view". By displaying a partial range of a VR image having a 360-degree angle of view and having the user change the posture of the display device in the left-right direction (horizontal rotation direction), the displayed range can be moved, and an omnidirectional video without seams in the left-right direction can be viewed.

[0046] VR display (VR view) is a display method (display mode) with a variable display range that displays a video within the field of view corresponding to the posture of the display device among VR images. In VR display, there is "monocular VR display (monocular VR view)" that performs a transformation (distortion correction) of mapping the VR image onto a virtual sphere to display one image. Also, in VR display, there is "binocular VR display (binocular VR view)" that performs a transformation of mapping the VR image for the left eye and the VR image for the right eye onto a virtual sphere respectively and arranges and displays them in the left and right regions. By performing "binocular VR display" using the VR images for the left eye and the right eye with a parallax from each other, it is possible to perform stereoscopic viewing of these VR images. In any VR display, for example, when the user wears a display device such as an HMD (head-mounted display), a video within the field of view corresponding to the orientation of the user's face is displayed. For example, assume that among the VR images, a video within the field of view centered at 0 degrees in the left-right direction (a specific orientation, for example, north) and 90 degrees in the up-down direction (90 degrees from the zenith, that is, horizontal) is being displayed at a certain point in time. When the posture of the display device is reversed front and back from this state (for example, the display surface is changed from facing south to facing north), the display range is changed to a video within the field of view centered at 180 degrees in the left-right direction (the opposite orientation, for example, south) and 90 degrees in the up-down direction among the same VR images. That is, when the user wears an HMD and turns the face from north to south (that is, turns to face the back), the video displayed on the HMD is also changed from the video of the north to the video of the south. Note that the VR image captured using the lens unit 300 is an image that captures a range of approximately 180 degrees in the front (180° image), and there is no video in the range of approximately 180 degrees in the back. When such an image is VR-displayed and the posture of the display device is changed to the side where there is no video, a blank area is displayed.

[0047] By thus performing VR display of the VR image, the user can visually obtain a feeling (sense of immersion) as if being inside the VR image (inside the VR space). Note that the display method of the VR image is not limited to the method of changing the posture of the display device. For example, a touch panel or a direction button The display range may be moved (scrolled) in response to a user operation via, for example, a touch operation or the like. Further, in the case of VR display (when the display mode is "VR view"), in addition to the change in the display range due to a change in the posture, the display range may be changed in response to a touch move on the touch panel, a drag operation with a mouse or the like, or pressing a direction button. Note that a smartphone mounted on a VR goggle (head-mounted adapter) is a type of HMD.

[0048] FIG. 6 is a block diagram showing an example of the logical configuration (software configuration) of the camera 100.

[0049] The image acquisition unit 600 acquires a captured image having a plurality of image regions captured through a plurality of optical systems. The image acquisition unit 600 acquires, for example, a captured image 500 in which a right image region 501R formed through the right optical system 301R and a left image region 501L formed through the left optical system 301L are arranged side by side, as shown in FIG. 5.

[0050] The adjustment instruction unit 601 instructs the lens system control circuit 303 to adjust the focus in response to a focus adjustment operation (an operation for adjusting the focus) by the user. The focus adjustment operation may be an operation on the camera 100, an operation on the lens unit 300, or an operation on an external device connected via the communication unit 221. The focus adjustment operation on the camera 100 is, for example, a half-press operation of the shutter button 101 of the camera 100 or a touch operation on the touch panel 109. The focus adjustment operation on the lens unit 300 is, for example, an operation of turning the focus ring of the lens unit 300. The focus adjustment operation on the external device is, for example, an operation of issuing an instruction to adjust the focus in an application on the external device.

[0051] The state determination unit 602 determines whether the focus is being adjusted. There are two types of focus adjustment methods: autofocus (AF) in which the camera 100 and the lens unit 300 automatically focus, and manual focus (MF) in which the user focuses. If the state determination unit 602 is in the middle of calculating the focus position or the lenses 302R and 302L are being driven, it determines that the focus is being adjusted in AF, and otherwise determines that it is not being adjusted. If the user is turning the focus ring, the state determination unit 602 determines that the focus is being adjusted in MF, and otherwise determines that it is not being adjusted.

[0052] The method determination unit 603 determines whether the focus adjustment method is AF or MF. For example, the AF mode or the MF mode can be set in the camera 100 or the lens unit 300, and the method determination unit 603 determines the focus adjustment method according to the set mode. Note that the determination method is not particularly limited as long as it can determine whether the focus adjustment method is AF or MF.

[0053] The information acquisition unit 604 acquires information on the AF distance measurement possible area from the camera 100 and the lens unit 300. The AF distance measurement possible area is an area where AF is possible. The AF distance measurement possible area may be interpreted as an area where distance measurement is possible. The area 700 in FIG. 7(A) indicates the AF distance measurement possible area. The information acquisition unit 604 acquires information on the AF distance measurement possible area based on, for example, the image height from the optical center (the center of the right image area or the left image area). The information on the AF distance measurement possible area may be any information that can identify the area. When the AF distance measurement possible area is rectangular, it may be the coordinates of the upper left corner of the rectangle, the width, and the height information.

[0054] The determination unit 605 determines the area (display area) to be displayed during focus adjustment. Here, when using two optical systems such as the lens unit 300, the subject appears smaller than when using one optical system, so it is difficult to confirm the focus adjustment result. Focus adjustment If the area to be checked at the whole hour is enlarged, it becomes easier for the user to check the focus adjustment result. However, in the case of AF and MF, since the focusing method and the method of checking the focus are different, the area to be enlarged is different.

[0055] Therefore, the determination unit 605 determines the display area so that the focus adjustment result can be easily checked in both AF and MF.

[0056] When focus adjustment is performed in AF, the user looks at the AF ranging possible area and checks whether the focus is correct at the intended location. Therefore, when performing focus adjustment in AF, it is preferable that the AF ranging possible area is easy to check. Therefore, when focus adjustment is performed in AF, the determination unit 605 determines the AF ranging possible area in any of the plurality of image areas (right image area or left image area) as the display area.

[0057] In FIG. 7(A), the area 700 is the AF ranging possible area. The shape of the area 700 is circular. Thus, the AF ranging possible area may be a shape other than a rectangle, but the EVF 217 and the display unit 108 for displaying the display area are often rectangles. Therefore, the determination unit 605 may determine only the area 700 as the display area, or may determine the rectangular area including the area 700 as the display area. For example, as shown in FIG. 7(B), the determination unit 605 may determine the area 701 of the circumscribed rectangle of the area 700 as the display area. The area 701 touches the upper and lower sides of the area 700 and does not touch the right and left sides, but may also touch the right and left sides. Also, as shown in FIG. 7(C), the determination unit 605 may determine the area 702 of the inscribed rectangle of the area 700 as the display area. Not limited to these, the determination unit 605 may determine the display area so as to include the AF ranging possible area.

[0058] When focus adjustment is performed by MF, the determination unit 605 determines one of the plurality of image regions (right image region or left image region) as the display region. In the case of MF, there is no region such as an AF distance measurement possible area, and it is not necessary to limit the area that the user checks. As described above, the focus drive circuit 304 drives the lens 302L in conjunction with the lens 302R to adjust the focus. Therefore, the difference between the right image region and the left image region is only the parallax. In MF where the focus is mainly adjusted visually, it is more important that one of the images is easier to check than that the parallax can be confirmed.

[0059] The display control unit 606 controls to display the captured image acquired by the image acquisition unit 600 on the EVF 217 or the display unit 108. When focus adjustment is performed, the display control unit 606 controls to switch to an enlarged image obtained by enlarging the display region determined by the determination unit 605 from the captured image. When the camera 100 is connected to an external device, the display control unit 606 may control to display the captured image or the enlarged image on the display of the external device.

[0060] FIG. 8(A) is a schematic diagram of an enlarged image when focus adjustment is performed by AF. The image 800 is an image obtained by enlarging the region (AF distance measurement possible area) 702 in FIG. 7(C). In FIG. 8(A), black image regions 802 are provided on the left and right of the image 800. The width of the region 802 may be larger (smaller) than the example in FIG. 8(A). The aspect ratio of the AF distance measurement possible area may be made the same as the aspect ratio of the EVF 217 or the display unit 108, and the region 802 may not be displayed.

[0061] FIG. 8(B) is a schematic diagram of an enlarged image when focus processing is performed by MF. The image 801 is an image obtained by enlarging the left image region 501L in FIG. 5. In FIG. 8(B), the entire left image region 501L is displayed. Note that the image 801 may be an image obtained by enlarging the right image region 501R.

[0062] The image 800 in Fig. 8(A) (magnified image when focus adjustment is performed by AF) is an orthographic cylindrical image, and the image 801 in Fig. 8(B) (magnified image when focus adjustment is performed by MF) is a circumferential fisheye image. The magnified image when focus adjustment is performed by AF may be a circumferential fisheye image, and the magnified image when focus adjustment is performed by MF may be an orthographic cylindrical image. Both the magnified image when focus adjustment is performed by AF and the magnified image when focus adjustment is performed by MF may be orthographic cylindrical images, or may be circumferential fisheye images. Further, instead of the circumferential fisheye image or the orthographic cylindrical image, a perspective projection image may be used.

[0063] Return to the description of Fig. 6. The AF availability determination unit 607 determines whether the camera 100 and the lens attached to the camera 100 are capable of AF.

[0064] Fig. 9 is a flowchart showing an example of the operation of the camera 100. This operation is realized by the system control unit 50 expanding and executing the program recorded in the non-volatile memory 219 in the system memory 218. For example, when the user performs a focus adjustment operation, the operation in Fig. 9 starts.

[0065] In step S901, the system control unit 50 (adjustment instruction unit 601) instructs the lens system control circuit 303 to perform focus adjustment.

[0066] In step S902, the system control unit 50 (state determination unit 602) determines whether focus adjustment is in progress. If focus adjustment is in progress, the process proceeds to step S903; otherwise, the process proceeds to step S909.

[0067] In step S903, the system control unit 50 (AF availability determination unit 607) determines whether AF is possible. If AF is possible, the process proceeds to step S904; otherwise, the process proceeds to step S907. For example, if a lens capable of AF is attached, the process proceeds to step S904; if a lens capable of AF is not attached, the process proceeds to step S907.

[0068] In step S904, the system control unit 50 (method determination unit 603) determines whether the focus adjustment method is AF or MF. If it is AF, the process proceeds to step S905. If it is MF, the process proceeds to step S907.

[0069] In step S905, the system control unit 50 (information acquisition unit 604) acquires information on the AF distance measurement available area in the left image area or the right image area.

[0070] In step S906, the system control unit 50 (determination unit 605) determines the AF distance measurement available area as the display area based on the information on the AF distance measurement available area acquired in step S905.

[0071] In step S907, the system control unit 50 (determination unit 605) determines the left image area or the right image area as the display area.

[0072] In step S908, the system control unit 50 (display control unit 606) displays an enlarged image obtained by enlarging the display area determined in step S906 or step S907 on the EVF 217 or the display unit 108.

[0073] In step S909, the system control unit 50 (display control unit 606) displays the captured image acquired by the image acquisition unit 600 and ends this operation.

[0074] According to the processes of steps S903 to S908, the display control unit 606 controls as follows. When focus adjustment is performed by AF, the display control unit 606 controls to switch the displayed image from the captured image (a captured image having a plurality of image areas) to an enlarged image (a first enlarged image) in which an AF distance measurement possible area in any one of the plurality of image areas is enlarged. When focus adjustment is performed by MF, the display control unit 606 controls to switch the displayed image from the captured image to an enlarged image (a second enlarged image) in which any one of the plurality of image areas is enlarged. When focus adjustment is performed by AF, the display control unit 606 controls to switch the displayed image from the captured image to the first enlarged image if an AF-capable lens is mounted, and to the second enlarged image if no AF-capable lens is mounted.

[0075] The process of FIG. 9 assumes a case where focus adjustment is performed by MF for both the left optical system 301L and the right optical system 301R. The second enlarged image is, for example, an image obtained by enlarging the left image area captured through the left optical system 301L. When focus adjustment is performed by MF for only one of the left optical system 301L and the right optical system 301R, the second enlarged image may be an enlarged image obtained by enlarging the image area captured through the optical system for which focus adjustment is performed. For example, the second enlarged image may be an image obtained by enlarging the left image area when focus adjustment is performed only for the left optical system 301L, and may be an image obtained by enlarging the right image area when focus adjustment is performed only for the right optical system 301R.

[0076] The processes of steps S906 and S907 are basic processes when the user does not specify the display area. In any case where focus adjustment is performed by either AF or MF, the user can perform various customizations such as switching the display area and specifying the display area. For example, the display control unit 606 may control as follows.

[0077] The display control unit 606 may control to switch the image to be displayed among a plurality of enlarged images respectively corresponding to a plurality of image areas according to a user operation. For example, when the display control unit 606 is enlarging and displaying the left image area 501L, if a pressing operation of a predetermined button or a touch operation on an area other than the enlarged image is performed, it may control to enlarge and display the right image area 501R. The area other than the enlarged image is, for example, the area 802 in FIG. 8(A) or the area 803 in FIG. 8(B). Thereby, the user can easily confirm the focus adjustment results of both the left image area and the right image area.

[0078] If the display area is specified by the user, when the focus adjustment is performed, the display control unit 606 may control to switch the image to be displayed from the captured image to a third enlarged image obtained by enlarging the area specified by the user. The display control unit 606 may control to display the third enlarged image instead of the first enlarged image or the second enlarged image. For example, when the AF process is performed, the display control unit 606 may control to enlarge and display an area wider (narrower) than the AF ranging possible area. When the MF process is performed, the display control unit 606 may control to enlarge and display a partial area specified by the user instead of the entire left image area or right image area. Also, the display control unit 606 may control to display the third enlarged image after the first enlarged image or the second enlarged image. For example, when an operation (such as a touch operation) for specifying a partial area is performed while the left image area is being enlarged and displayed by the display control unit 606, it may control to further enlarge and display the specified area. Thereby, the user can easily confirm the focus adjustment result of the desired area.

[0079] The display control unit 606 may control to display the enlarged image at a magnification specified by the user. Thereby, the user can display the image at a desired size and confirm the focus adjustment result.

[0080] According to this embodiment, in either AF or MF focus adjustment, the focus adjustment result can be easily confirmed. In this embodiment, the image displayed during focus adjustment is changed from the captured image to an enlarged image in both AF and MF focus adjustments. However, in at least one of the focus adjustments, it may be changed from the captured image to an enlarged image.

[0081] Moreover, although the embodiments of the present invention have been described in detail, the present invention is not limited to these specific embodiments, and various forms within the scope not departing from the gist of the present invention are also included in the present invention. Furthermore, each of the above-described embodiments merely shows one embodiment of the present invention, and it is also possible to appropriately combine the embodiments.

[0082] For example, although obtaining one image in which two image regions with parallax are arranged side by side has been described, the number of image regions, that is, the number of optical systems, may be more than two, and the arrangement of the plurality of image regions is not particularly limited.

[0083] In addition, the present invention is not limited to cameras or PCs, and can be applied to any electronic device that can handle an image having a plurality of image regions respectively corresponding to a plurality of optical systems. For example, the present invention can be applied to PDAs, mobile phone terminals, portable image viewers, printer devices, digital photo frames, music players, game machines, electronic book readers, cloud servers, etc. The present invention can also be applied to video players, display devices (including projection devices), tablet terminals, smartphones, AI speakers, home appliances, in-vehicle devices, etc. The present invention can also be applied to multi-eye smartphones having a plurality of different types of optical systems such as standard lenses, wide-angle lenses, and zoom lenses.

[0084] <Other Embodiments> The present invention can also be implemented by supplying a program that realizes one or more functions of the above-described embodiments to a system or apparatus via a network or a storage medium, and causing one or more processors in a computer of the system or apparatus to read and execute the program. It can also be implemented by a circuit (for example, an ASIC) that realizes one or more functions.

[0085] The disclosure of this embodiment includes the following configurations, methods, programs, and media. (Configuration 1) Acquisition means for acquiring a captured image having a plurality of image regions captured through a plurality of optical systems respectively; Display control means for controlling to display the captured image; and When focus adjustment is performed by autofocus (AF), the display control means controls to switch the image to be displayed from the captured image to an enlarged image obtained by enlarging an AF-enabled region in any one of the plurality of image regions. An electronic device characterized by the above. (Configuration 2) Acquisition means for acquiring a captured image having a plurality of image regions captured through a plurality of optical systems respectively; Display control means for controlling to display the captured image; and When focus adjustment is performed by manual focus (MF), the display control means controls to switch the image to be displayed from the captured image to an enlarged image obtained by enlarging any one of the plurality of image regions. An electronic device characterized by the above. (Configuration 3) When focus adjustment is performed by manual focus (MF), the display control means controls to switch the image to be displayed from the captured image to a second enlarged image obtained by enlarging any one of the plurality of image regions. The electronic device according to Configuration 1, characterized by the above. (Configuration 4) When the focus adjustment is performed by the MF only for any one of the plurality of optical systems, the second enlarged image is an enlarged image obtained by enlarging an image area captured through the optical system for which the focus adjustment is performed. The electronic device according to Configuration 3, characterized in that. (Configuration 5) The display control means controls to switch the image to be displayed among the plurality of enlarged images respectively corresponding to the plurality of image areas according to a user operation. The electronic device according to Configuration 1 or 2, characterized in that. (Configuration 6) If an area to be displayed during focus adjustment is specified by the user, when the focus adjustment is performed, the display control means controls to switch the image to be displayed from the captured image to a third enlarged image obtained by enlarging the area specified by the user. The electronic device according to any one of Configurations 1 to 5, characterized in that. (Configuration 7) The display control means controls to display the enlarged image at a magnification specified by the user. The electronic device according to Configuration 1 or 2, characterized in that. (Configuration 8) When the focus adjustment is performed by AF, the display control means If a lens capable of AF is mounted, controls to switch the image to be displayed from the captured image to an enlarged image obtained by enlarging the area capable of AF, If a lens capable of AF is not mounted, controls to switch the image to be displayed from the captured image to an enlarged image obtained by enlarging any one of the plurality of image areas. The electronic device according to any one of Configurations 1 to 7, characterized in that. (Configuration 9) Each of the plurality of optical systems includes a fish-eye lens, Each of the plurality of image areas is an area of a circumferential fish-eye image. The electronic device according to any one of Configurations 1 to 8, characterized in that. (Configuration 10) The enlarged image is an orthographic cylindrical image The electronic device according to Configuration 1 or 2, characterized in that (Method 1) An acquisition step of acquiring a captured image having a plurality of image regions captured through a plurality of optical systems respectively, A display control step of controlling to display the captured image, and when focus adjustment is performed by autofocus (AF), in the display control step, the image to be displayed is controlled to be switched from the captured image to an enlarged image obtained by enlarging an AF-enabled region in any of the plurality of image regions A control method for an electronic device, characterized in that (Method 2)(Method 2) An acquisition step of acquiring a captured image having a plurality of image regions captured through a plurality of optical systems respectively, A display control step of controlling to display the captured image, and when focus adjustment is performed by manual focus (MF), in the display control step, the image to be displayed is controlled to be switched from the captured image to an enlarged image obtained by enlarging any of the plurality of image regions A control method for an electronic device, characterized in that (Program) (Program) A program for causing a computer to function as each means of the electronic device according to any one of Configurations 1 to 10 (Medium) A computer-readable storage medium storing a program for causing a computer to function as each means of the electronic device according to any one of Configurations 1 to 10

Description of Reference Numerals

[0086] 100: Camera 600: Image acquisition unit 606: Display control unit

Claims

1. An acquisition unit that acquires a captured image having a plurality of image regions captured through a plurality of optical systems respectively; A display control unit that controls to display the captured image; and when focus adjustment is performed by autofocus (AF), the display control unit controls to switch the image to be displayed from the captured image to an enlarged image obtained by enlarging an area where AF is possible in any of the plurality of image regions. An electronic device characterized by the above.

2. An acquisition unit that acquires a captured image having a plurality of image regions captured through a plurality of optical systems respectively; A display control unit that controls to display the captured image; and when focus adjustment is performed by manual focus (MF), the display control unit controls to switch the image to be displayed from the captured image to an enlarged image obtained by enlarging any of the plurality of image regions. An electronic device characterized by the above.

3. When focus adjustment is performed by manual focus (MF), the display control unit controls to switch the image to be displayed from the captured image to a second enlarged image obtained by enlarging any of the plurality of image regions. The electronic device according to claim 1, characterized by the above.

4. When focus adjustment is performed by MF for only any one of the plurality of optical systems, the second enlarged image is an enlarged image obtained by enlarging an image region captured through the optical system for which the focus adjustment is performed. The electronic device according to claim 3, characterized by the above.

5. The display control unit controls to switch the image to be displayed among a plurality of the enlarged images respectively corresponding to the plurality of image regions according to a user operation. The electronic device according to claim 1, characterized by the above.

6. If a region to be displayed during focus adjustment is specified by the user, when the focus adjustment is performed, the display control unit controls to switch the image to be displayed from the captured image to a third enlarged image obtained by enlarging the region specified by the user. The electronic device according to claim 1, characterized by the above.

7. The display control unit controls to display the enlarged image at a magnification specified by the user. The electronic device according to claim 1, characterized by the above.

8. When focus adjustment is performed by AF, the display control unit If a lens capable of AF is mounted, control is performed so as to switch the displayed image from the captured image to an enlarged image obtained by enlarging the AF-capable area in the captured image. If a lens capable of AF is not mounted, control is performed so as to switch the displayed image from the captured image to an enlarged image obtained by enlarging any one of the plurality of image areas. The electronic device according to claim 1, characterized in that.

9. Each of the plurality of optical systems includes a fish-eye lens. Each of the plurality of image areas is an area of a circumferential fish-eye image. The electronic device according to claim 1, characterized in that.

10. The enlarged image is an orthographic cylindrical image. The electronic device according to claim 1, characterized in that.

11. An acquisition step of acquiring a captured image having a plurality of image areas captured through a plurality of optical systems respectively; A display control step of controlling to display the captured image; having; When focus adjustment is performed by autofocus (AF), in the display control step, control is performed so as to switch the displayed image from the captured image to an enlarged image obtained by enlarging the AF-capable area in any one of the plurality of image areas. A control method for an electronic device, characterized in that.

12. An acquisition step of acquiring a captured image having a plurality of image areas captured through a plurality of optical systems respectively; A display control step of controlling to display the captured image; having; When focus adjustment is performed by manual focus (MF), in the display control step, control is performed so as to switch the displayed image from the captured image to an enlarged image obtained by enlarging any one of the plurality of image areas. A control method for an electronic device, characterized in that.

13. A program for causing a computer to function as each means of the electronic device according to any one of claims 1 to 10.

14. A computer-readable storage medium storing a program for causing a computer to function as each means of the electronic device according to any one of claims 1 to 10.

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