JP3424666B2 - Digital camera body and computer-readable recording medium storing a program for controlling the digital camera body - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the generation of an image corresponding to the exposure time by synthesizing the exposure images for the number of divisions obtained by the exposure at the divided predetermined exposure time based on the correlation. The present invention relates to a technology of a digital camera that has a body-side blur suppression function for suppressing blur and an interchangeable lens is attached.

[0002]

2. Description of the Related Art Conventionally, there is known a technique for preventing a blurred image from being generated due to a camera shake at the time of shooting. For example, the camera described in Japanese Patent Application Laid-Open No. 11-164188 prevents generation of a blurred image by performing optical correction on the interchangeable lens side, and the digital camera described in Japanese Patent Application Laid-Open No. 6-141228. The camera prevents the generation of a blurred image by electronically processing a plurality of exposure images.

On the other hand, in addition to the technique for preventing the generation of these blurred images, a method for mounting an interchangeable lens for a silver salt single-lens reflex camera on a digital camera as described in Japanese Patent Laid-Open No. 2000-23184. The technology is known.

[0004]

However, the structure of the digital camera in which the interchangeable lens is mounted as described above is more complicated than that of a normal digital camera, and the digital camera body is larger and heavier. Become. For this reason, it can be said that there is a strong need for image stabilization in a digital camera equipped with an interchangeable lens for a silver salt single-lens reflex camera, but an interchangeable lens that performs optical compensation is installed in a digital camera body that performs electronic compensation. There is no known control method for performing effective blur correction in the event of an accident.

The present invention has been made in view of the above, and an object thereof is to provide a camera body of a digital camera capable of selecting more effective blur correction according to an attached interchangeable lens. That is.

[0006]

A camera body of a first digital camera according to the present invention for achieving the above object obtains by dividing a designated exposure time and exposing at the divided exposure time. A digital camera equipped with an interchangeable lens that has a body-side blur suppression function that suppresses blur when generating an image corresponding to a specified exposure time It is the camera body of.

In the camera body of the first digital camera, whether to activate the body side blur suppression function is set depending on the type of the interchangeable lens attached.

In the camera body of the first digital camera, when the focal length of the mounted interchangeable lens is smaller than a predetermined value, the body side blur suppression function is set not to operate, and the mounted interchangeable lens is replaced. When the focal length of the lens is larger than a predetermined value, the body side blur suppression function may be set to be activated.

Further, in the camera body of the first digital camera, when the specified exposure time is smaller than the reciprocal of the focal length of the attached interchangeable lens, the body side blur suppression function is set not to operate. If the attached interchangeable lens has a lens-side blurring suppression function that suppresses blurring when generating an image by changing the direction of light passing through the interchangeable lens according to the movement of the interchangeable lens. The body side blur suppression function can be set not to operate.

A camera body of a second digital camera according to the present invention is a camera body of a digital camera having a body side blurring suppressing function and having an interchangeable lens attached thereto.

In the camera body of the second digital camera, when the mounted interchangeable lens does not have the lens side blurring suppressing function, the body side blurring suppressing function is set to operate, and the mounted interchangeable lens is the lens. In the case of having a side blurring suppression function, a first type exposure image generated by using the lens side blurring suppression function from the first time point when the exposure of the image is started to a predetermined second time point, and from the second time point The second-type exposure image, which is the exposure image for the predetermined number of divisions up to the third time point corresponding to the designated exposure time, is set to be combined using the body-side blurring suppression function.

A camera body of a third digital camera according to the present invention is a camera body of a digital camera having a body side blurring suppressing function and having an interchangeable lens attached thereto.

In the camera body of the third digital camera, when the attached interchangeable lens has a lens side blurring suppressing function, the lens side from the first time point when the exposure of the image is started to the predetermined second time point is started. A first type exposure image generated by using the blur suppression function, and a second type exposure image which is an exposure image for a predetermined number of divisions from the second time point to a third time point corresponding to a specified exposure time. Selection of whether to set to be combined using the body-side blurring suppression function is accepted.

A camera body of a fourth digital camera according to the present invention is a camera body of a digital camera having a body side blurring suppressing function and having an interchangeable lens attached thereto.

In the camera body of the fourth digital camera, when the focal length of the mounted interchangeable lens is smaller than a predetermined value and the designated exposure time is smaller than the reciprocal of the focal length of the mounted interchangeable lens. , The body side blur suppression function is set not to operate. If the focal length of the mounted interchangeable lens is larger than a predetermined value or the specified exposure time is larger than the reciprocal of the focal length of the mounted interchangeable lens, (1) the mounted interchangeable lens is on the lens side. The first time point when the exposure of the image is started when the body side blur suppression function is set to be activated when the blur suppression function is not provided, and (2) the mounted interchangeable lens has the lens side blur suppression function. To a predetermined second time point from the first type exposure image generated using the lens-side blurring suppression function, and a predetermined number of divisions from the second time point to the third time point corresponding to the designated exposure time. The second-type exposure image, which is an exposure image, is set to be combined using the body-side blurring suppression function.

The camera body of the fifth digital camera according to the present invention divides the designated exposure time, and synthesizes the exposure images for the number of divisions obtained by the exposure with the divided exposure time based on the correlation. As a result, the camera body of the digital camera has a body-side blurring suppressing function that suppresses blurring when an image corresponding to a specified exposure time is generated, and is equipped with an interchangeable lens.

In the camera body of the fifth digital camera, when the mounted interchangeable lens has a lens-side blurring suppressing function, the lens-side blurring suppressing function and the body-side blurring suppressing function are selected depending on the amount of blurring of the camera body. Is set to operate.

In the camera body of the fifth digital camera, the blur amount of the camera body is specified by the data indicating the blur amount detected by the lens side blur suppression function, and the blur amount is larger than the predetermined value. It is possible to stop the operation of the lens-side blurring suppression function and to start the operation of the body-side blurring suppression function at the time when it is determined that.

Furthermore, in the camera bodies of these digital cameras, the body-side blurring suppression function from that point in time is activated and generated for the exposure image generated by the lens-side blurring suppression function up to that point in time. It is assumed that the plurality of exposure images are combined while moving, and the exposure time corresponding to the exposure after the body side blurring suppression function is activated after the time point is set to the specified exposure time and the time point before the time point. It may be set as a difference from the exposure time corresponding to the exposure after the lens side blurring suppression function is activated.

In the camera body of the fifth digital camera, when the focal length of the attached interchangeable lens is larger than a predetermined value, or when the designated exposure time is the reciprocal of the focal length of the attached interchangeable lens. When it is larger, the lens-side blurring suppressing function and the body-side blurring suppressing function can be set to operate according to the blurring amount of the camera body.

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A camera system according to an embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a top view for explaining the overall configuration of a camera system 1 which is one of the embodiments of the present invention, and FIG. 2 shows the front surface of a camera body 12 included in the present camera system 1. FIG. 3 is a diagram showing the back surface of the camera body 12.

As shown in FIG. 1, the camera system 1 includes
A camera body 12 having a configuration similar to that of a single-lens reflex type silver halide camera that uses a 35 mm film (details will be described with reference to FIG. 4 and the like), and an interchangeable lens 11 that can be attached to and detached from the camera body 12. Contains. A predetermined slot is provided on the side surface of the camera body 12, and a memory card 13 for recording a photographed image, photographing conditions and the like can be attached and detached.

A shutter button 121 is provided on the upper surface of the grip portion 120 of the camera body 12, and a power switch 122 is provided near the grip portion 120 on the upper surface of the camera body 12. A power supply unit 203 (which will be described later with reference to FIG. 5) is provided inside the grip unit 120, and stores four AA dry batteries serving as a drive source of the camera system 1.

As shown in FIG. 2, the lens ROM 14 of the interchangeable lens 11 mounted on the front surface of the camera body 12.
9 (see FIG. 4) and the communication terminal 124 for reading the data output from the X angular velocity sensor 145 (described later in FIG. 4) and the Y angular velocity sensor 141.
And a joint hole 125 for connecting a shaft for focusing in the interchangeable lens 11 to an internal motor, and as shown in FIG. The liquid crystal monitor 130 for displaying when various settings are made on the body 12, and the camera body 1.
2, a menu key 129 for displaying a menu of items that can be set with 2, a cross key 126 for moving a cursor displayed on the liquid crystal monitor 130, and the liquid crystal monitor 1
A confirmation key 127 for instructing confirmation of the option over which the upper cursor is over 30 and a cancel key 128 for instructing cancellation of the setting are provided.

FIG. 4 is a sectional view showing the main structure of the camera system 1 for photographing.

The photographer who holds the camera body 12 can see the first lens group 131 and the second lens group 1 in the interchangeable lens 11.
33, the optical image of the subject incident through the quick return mirror 1202, the pentaprism 1201 and the like is confirmed from the viewfinder 123, and the shutter button 121 is pressed at a desired timing. When the shutter button 121 is pressed, the quick return mirror 1202 is moved to position A.
To the position B, the focal plane shutter 1205 is opened along with the specified exposure time (shutter speed), and the optical image of the subject is CCD.
An image is taken by the CCD 1204 in the unit 1203.

The interchangeable lens 11 is a zoom lens including a first lens group 131 and a second lens group 133. The rotation of the lens drive motor 153 is transmitted to the interchangeable lens 11, and the first lens group 131 and the second lens group The group 133 is moved in the optical axis direction (left and right direction in the drawing) to perform focusing. In addition, the interchangeable lens 11 (not shown)
A diaphragm mechanism is provided, and the diaphragm can be adjusted from the camera body 12.

In particular, the interchangeable lens 11 is the first lens group 1
31 and the second lens group 133 between the variable apex angle prism 1
It has 32, and according to the blur of the camera at the time of shooting,
By changing the direction of the light incident on the second lens group 133 up, down, left, and right, generation of a blurred image is suppressed.

In order to suppress the generation of the blur image, more specifically, the interchangeable lens 11 rotates the prism in the Y direction to correct the blur in the vertical direction (Y direction) with respect to the subject. A Y angular velocity sensor 141 that detects the angular velocity of rotation of the interchangeable lens 11 in the Y direction, a Y apex angle sensor 143 that detects the inclination of the prism in the Y direction, the angular velocity of rotation of the interchangeable lens 11 and the inclination of the prism. And a Y shake control circuit 142 for controlling the Y actuator 144 based on
In order to correct the shake in the left-right direction (X direction) with respect to the subject, the X actuator 148, the X angular velocity sensor 145, the X apex angle sensor 147, and the X shake control circuit 146 are included as described above. (Hereinafter, such a function that suppresses the generation of a blur image by the lens may be referred to as an optical blur correction function.) Further, data indicating the type of the interchangeable lens 11 (focal length, optical blur correction) Data indicating whether or not the function is provided) is stored in advance in the lens ROM 149, and by connecting the lens side communication terminal 134 and the camera body side communication terminal 124, the data unique to the interchangeable lens 11 in the lens ROM 149. Can be used to perform control related to shooting with the camera body 12.

In the camera system 1 as described above, similar to the conventionally known camera system, the following FIGS.
The control as shown in FIG.

FIG. 5 is a block diagram showing the configuration of the control unit of the camera system 1.

The control unit of the camera system 1 is a camera control unit 201 which mainly controls mechanical operations during photographing.
And an image processing control unit 301 that mainly controls the processing of an image associated with shooting while being controlled by the camera control unit 201.

The camera control unit 201 has a power switch 12
Power supply from the power supply unit 203 to each unit is controlled based on the operation 2 (see FIG. 1, etc.), and at the time of shooting, the quick return mirror 1202 (see FIG. 4), the focal plane shutter 1205, and the lens drive motor 153 are described above. Then, the aperture is controlled via the aperture control driver 202.

Under the control of the image processing control unit 301, image processing of an image captured by the CCD 1204 during shooting (shutter button 121 (see FIG. 1 etc.), power switch 122, cross key 126, enter key). 127, a cancel key 128 and a menu key 129 are connected) Input from the operation unit 311; VRAM3
Display on the liquid crystal monitor 130 via 10, and
Image data, shooting conditions, etc. are written to the memory card 13.

More specifically, each unit controlled by the image processing control unit 301 has the following functions in order.

The CCD 1204 photoelectrically converts the optical image of the subject formed by the interchangeable lens 11 for each pixel for each of the RGB color components to generate an image signal (a signal sequence of pixel signals corresponding to each pixel). A clock is generated from the timing control circuit 302 and sent to the timing generator 303, the signal processing circuit 304, and the A / D converter 305 to adjust the control timing of each unit.

The timing generator 303 generates a drive control signal for the CCD 1204 based on the clock that is sent, for example, an exposure start / end timing signal, a read control signal for a light receiving signal of each pixel, and the like. Then, these signals are output to the CCD 1204.
The signal processing circuit 304 includes a CDS (correlation double sampling) circuit and an AGC (auto gain control) circuit. In the signal processing circuit 304, the CCD 1
Noise in the analog image signal output from 204 is reduced, and the level of the image signal is adjusted.

In the A / D converter 305, each pixel signal is converted into a digital signal having a predetermined number of bits based on the clock that is sent, and in the black level correction circuit 306, pixel data (A / D conversion is performed). Pixel signal) is corrected to a reference black level, and in the WB circuit 307, pixel data of each color component of RGB is adjusted based on a predetermined level conversion table so that the white balance is also adjusted during γ correction. Level conversion is performed. (The conversion coefficient of each color component of the level conversion table is set for each captured image.) In the γ correction circuit 308, the γ characteristic on the predetermined γ correction table is selectively used to perform the γ correction of the pixel data. . The image memory 309 is a memory for temporarily storing the pixel data after the γ correction, and stores pixel data of horizontal 1600 × vertical 1200 corresponding to one frame for a plurality of frames (for electronic blur correction processing described later). Remember.

The VRAM 310 is the liquid crystal monitor 130 (see FIG. 3).
Reference, for example, display of 400 × 300 pixels is performed)
Is a buffer memory for image data displayed on the card I / F 312, and the card I / F 312 writes image data from the image memory 309 to the memory card 13 and reads image data from the memory card 13 to the image memory 309. Interface. This memory card 1
The data above 3 will be described later with reference to FIG.

In addition to the control of each unit as described above, the image processing control unit 301 performs a filtering process for filtering a photographed image, a thumbnail image generation process for generating a thumbnail image of the photographed image, and a compressed photographed image for recording. Image recording processing, reproduction image generation processing for reproducing the image recorded in the memory card 13 on the liquid crystal monitor 130, and electronic blur correction processing (shown using FIG. 6). (The image processing control unit 301 includes a CPU, a flash ROM, a RAM, etc., and the control in the image processing control unit 301 is performed based on a predetermined firmware on the flash ROM. It can be rewritten by new firmware temporarily stored on the memory card 13.) In the filtering process, the high-frequency component of the image to be recorded is corrected by the digital filter, and the image quality related to the contour is corrected. In the thumbnail image generation process, pixel data for one frame in the image memory 309 is read out at predetermined intervals in the horizontal and vertical directions, is sequentially transferred to the memory card 13, and is recorded as a thumbnail image. .
In the image recording process, all pixel data is read from the image memory 309, and the read pixel data is compressed by the JPEG compression process such as two-dimensional DCT conversion and Huffman coding. The image data is recorded in a predetermined area on the memory card 13. (In addition to these, the image processing control unit 301 and the camera control unit 201 have a mechanism for performing autofocus control and automatic exposure control.) FIG. 6 is for explaining the electronic blur correction process. FIG.

In the electronic blur correction process, the exposure time designated by the photographer is divided, and image data of a frame corresponding to the division number is first generated for one photographed image. The generated images of a plurality of frames are combined at the position where the correlation is maximum, and the image data corresponding to one captured image is generated.

Actually, in the generation of the image data of these plural frames, the photographing range 402 is oblique to the stationary subject 401 due to camera shake of the photographer during the generation of the first frame and the generation of the second frame. If one pixel has been moved to the first frame 41,
The image data corresponding to 1 and the image data corresponding to the second frame 412 are generated.

The second frame 412 is moved with respect to the first frame 411, the correlation between both frames is calculated at each moving position, and the first frame 411 is located at the position of the second frame 412 where the correlation is maximum. By adding and synthesizing the image data corresponding to and the image data corresponding to the second frame 412, it is possible to obtain a (synthesized) captured image in which the generation of the blurred image is suppressed despite the actual camera shake. Will be obtained.

FIG. 7 is a diagram showing an example of data recorded on the memory card 13.

Data corresponding to captured images of a plurality of frames (here, 230 frames) are recorded on the memory card 13, and image data of captured images corresponding to one frame and corresponding thumbnail images are recorded. Image data is recorded by using a tag as a tag, a lens name, whether or not shooting is performed while optical shake correction is performed, a focal length, an F number at the time of shooting, a shooting mode (shooting mode related to shake correction processing as described below). Can be selected), and recording of data indicating the focal position and the like is accompanied.

In the camera system 1 which is premised on the configuration and operation as described above, the lens exchange-related processing as shown in FIG. 8 and FIGS. 9 to 12 are performed by the firmware on the flash ROM of the image processing control unit 301. The photographing processing as shown in FIG. 4 is performed, and the camera system 1 is particularly characterized by this photographing processing.

FIG. 8 is a flow chart showing a procedure of lens exchange-related processing accompanying exchange of the interchangeable lens 11, and FIGS. 9 and 10 are flow charts showing a procedure of photographing processing. Further, FIG. 11 is a flowchart showing the procedure of the optical blur correction photographing / recording 1 processing, and FIG. 12 is a flowchart showing the procedure of the optical blur correction photographing / recording 2 processing.

As shown in FIG. 8, in the lens exchange-related processing, it is determined whether or not the lens has been exchanged (step 11, hereinafter step is abbreviated as S). When the lens is replaced (Yes in S11), data indicating the type of lens (focal length, data indicating whether or not the optical blur correction function is provided) is stored in the lens ROM 149 in the interchangeable lens 11.
From (FIG. 4), the image is stored in the RAM in the image processing control unit 301 (S12), and this processing ends.

The photographing processing shown in FIGS. 9 and 10 uses the data indicating the type of lens stored in the above-mentioned lens exchange-related processing, and the blur correction modes I to IV are used in the photographing processing. Either (see Fig. 1
3, with the display on the liquid crystal monitor 130 as shown in FIG. 14), which is selectively set in advance by the photographer.

The shake correction mode I and the shake correction mode II are modes for instructing to shoot by preferentially using the optical shake correction function of the interchangeable lens 11, and the shake correction mode III is for the photographer. It is a mode to instruct to shoot while performing blur correction based on the setting,
The blur correction mode IV is a mode for instructing that priority is given to normal shooting (with or without the optical blur correction function).

In the blur correction mode I, either the normal photographing / recording process using only the optical blur correcting function or the blur correcting photographing / recording 1 process (FIG. 11) accompanied by the electronic blur correction is performed by the interchangeable lens 11. Has an optical blur correction function, and whether or not there is a condition that a blur image is easily generated. In the blur correction mode II,
Image stabilization shooting / recording 2 processing (FIG. 12) that uses both optical image stabilization and electronic image stabilization, and image stabilization correction /
One of the recording 1 processes is selected depending on whether or not the interchangeable lens 11 has an optical blur correction function.

In the shake correction mode III, whether the interchangeable lens 11 has an optical shake correction function in the normal shooting / recording process, the shake correction shooting / recording 2 process, and the shake correction shooting / recording 1 process, and , Is selected according to the preset setting by the photographer (FIG. 14), and in the shake correction mode IV, the normal shooting / recording process is performed unless the condition that the blurred image is likely to be generated is set to the condition that the blurred image is easily generated. At some time, the shake correction shooting / recording 2 processing and the shake correction shooting / recording 1 processing are selected depending on whether or not the interchangeable lens 11 has an optical shake correction function.

More specifically, in this photographing process, as shown in FIG. 9, first, it is judged whether or not the shutter button 121 (FIG. 3 etc.) is half pressed (S2).
1). If the shutter button 121 is not pressed halfway (No in S21), the main photographing process ends,
If the shutter button 121 is pressed halfway (Yes in S21), the WB circuit 30 is operated while the autofocus control and the data calculation for the automatic exposure are performed.
7 (FIG. 5) is performed, and the exposure time at the time of shooting is set here (S22).

Subsequently, it is determined whether or not the shutter button 121 has been fully pressed at a predetermined timing from the half-pressed state (S23). Shutter button 12
If 1 is not fully pressed (No in S23),
The process from S21 is repeated, and the shutter button 12
If 1 is fully pressed (Yes in S23), it is determined whether the set shake correction mode is I or IV (S24).

When the shake correction mode I is set (when it is judged to be I in S24), it is first judged whether or not the interchangeable lens 11 has an optical shake correction function ( S25).

If the interchangeable lens 11 has an optical blur correction function (Yes in S25), normal photographing / recording processing is performed (S26), and normal (while the optical blur correction function is used) The shooting is performed and the shot image is recorded, and the main shooting process ends.

If the interchangeable lens 11 does not have the optical blur correction function (No in S25), whether or not the focal length of the interchangeable lens 11 is 80 mm or more, which is the limit of the middle telephoto, (S27). The shutter speed (exposure time) is 1 / f or less where f is the focal length (and 1 / when the constant is k).
Whether or not (k · f) or less is determined (S28).

The focal length f is not 80 mm or more (S27
No.) and the shutter speed is 1 / f or less (Yes in S28), that is, when the conditions are not such that a blurred image is easily generated, normal shooting / recording processing is performed (S26), and When the photographing process is completed and the blur image is easily generated (Yes in S27).
Alternatively, No in S28), the shake correction shooting / recording 1 process (described later in detail with reference to FIG. 11) is performed (S2).
9) The main photographing process ends.

When the blur correction mode II is set (when it is determined to be II in S24), the interchangeable lens 11 first has an optical blur correction function as in the blur correction mode I described above. It is determined whether or not (S3
0).

If the interchangeable lens 11 has an optical blur correction function (Yes in S30), blur correction photographing / recording 2 processing (which will be described later in detail with reference to FIG. 12) is performed (S).
31), if the main photographing process ends and the interchangeable lens 11 does not have the optical blur correction function (No in S30),
The shake correction shooting / recording 1 processing is performed (S32), and the main shooting processing ends.

When the shake correction mode III is set (when it is determined to be III in S24),
Similar to the blur correction mode II, etc., first, it is determined whether or not the interchangeable lens 11 has an optical blur correction function (S33).

If the interchangeable lens 11 has an optical blur correction function (Yes in S33), the photographer determines (first
It is determined whether the optical shake correction function is turned on by the switch setting (S) (S34).

If the optical blur correction function is turned on (Yes in S34), normal photographing / recording processing is performed (S35), and this processing ends.

If the optical shake correction function is not turned on (No in S34), it is determined whether the electronic shake correction process is turned on by the (second) switch setting by the photographer. (S36). If the electronic blur correction process is not turned on (No in S36), the normal shooting / recording process (with optical blur correction) is performed (S3).
5) If the main photographing process is completed and the electronic blur correction process is turned on (Yes in S36), the blur correction photographing /
The recording 2 process is performed (S37), and the main photographing process ends.

If the interchangeable lens 11 does not have the optical blur correction function (No in S33), it is determined whether or not the electronic blur correction is turned on by the (second) switch setting by the photographer. (S38). If the electronic blur correction process is turned on (Yes in S38), the blur correction shooting / recording 1 process is performed (S39), the main shooting process ends, and the electronic blur correction process is turned on. If not (No in S38), normal photographing / recording processing (without optical blur correction) is performed (S40), and the main photographing processing ends.

Further, when the shake correction mode IV is set (when it is determined to be IV in S24), whether the focal length f of the interchangeable lens 11 is 80 mm or more (S41), the shutter speed is determined. First, it is determined whether or not is 1 / f or less (S42).

If the focal length f is not 80 mm or more (S41
No.) and the shutter speed is 1 / f or less (Yes in S42), that is, when the conditions are not such that a blurred image is likely to be generated, normal shooting / recording processing is performed (S43), and The shooting process is over,
If the condition is such that a blurred image is easily generated (S41
(Yes in S42 or No in S42), it is further determined whether or not the interchangeable lens 11 has an optical blur correction function (S44).

If the interchangeable lens 11 has the optical blur correction function (Yes in S44), the blur correction photographing / recording 2 process is performed (S45), the main photographing process is completed, and the interchangeable lens 11 is completed. Does not have the optical blur correction function (No in S44), the blur correction photographing / recording 1 process is performed (S46), and the main photographing process ends.

Next, in accordance with the setting of these shake correction modes, shake correction shooting / recording 1 processing selectively performed (shooting with electronic shake correction as shown in FIG. 6 which is more widely performed than before is performed. / Recording process) and blur correction photographing / recording 2 process (photographing / recording process including optical blur correction and electronic blur correction included in the present invention).

In the shake correction photographing / recording 1 process, as shown in FIG. 11, the shutter speed is set to one fourth of the set value set by the photographer (S2901), and the frame and the image corresponding to the frame are set. 1 is substituted for n, which is a variable that specifies the memory (S2902).

Subsequently, the photographing process for the frame n (the photographing process for the optical image of the subject as described with reference to FIG. 5) and the recording in the image memory n are performed (S290).
3), it is determined whether n has been incremented to 4 (S2904).

If n has not been incremented to 4 (No in S2904), n is incremented (S2905) and the processes from S2903 are repeated.
If n has been incremented to 4 (Yes in S2904), 2 is substituted for n (S2906).

Next, the correlation is calculated while moving the frame n with respect to the frame 1, and the movement amount of the frame n having the maximum correlation is obtained (S2907). Thereafter, the frame n is actually moved by the calculated moving amount (S290
8), it is determined whether n has been incremented to 4 (S2909).

If n has not been incremented to 4 (No in S2909), n is incremented (S2910) and the processes from S2907 are repeated.

If n has been incremented to 4 (Yes in S2909), frame 1 to frame 4
Image data is added for each pixel (S2
911), data relating to shooting is recorded in the tag (see FIG. 7) (S2912), and the image data after addition is JPEG.
It is compressed in the format and recorded on the memory card 13 (S2
913), and the main shake correction shooting / recording 1 process is returned.

In the blur correction photographing / recording 2 processing, as shown in FIG. 12, exposure at the shutter speed set by the photographer is first started (S3101), and the interchangeable lens 11 (see FIG. 4) side ( The motion vector in the X direction (horizontal direction) and Y direction (vertical direction) of the interchangeable lens 11 detected by using the X angular velocity sensor 145 and the Y angular velocity sensor 141 is equal to or more than a threshold value designated in advance. It is determined whether or not (S3102).

If the motion vector does not exceed the threshold value (No in S3102), the normal exposure process with optical blur correction is continued (S3103), and it is determined whether or not these exposures have been completed. (S3104). If the exposure is not completed (No in S3104), S31
If the exposure is completed (Yes in S3104), the process is moved to S3118.

When the motion vector exceeds the threshold value (S
If Yes at 3102, the exposure is stopped (S310).
5), the captured image data is stored in the image memory 1 (S3
106), (here, it is assumed that the image memory is used for four frames, and the image memory 1 records images until the motion vector reaches the threshold value. The underexposure time is divided into three (so that the memory 4 is used) (S3107).

Then, 2 is substituted for the variable n for specifying the frame and the image memory corresponding to the frame (S3108), the photographing process for the frame n is performed, and the image is recorded in the image memory n ( S3109), n
Is determined to be incremented to 4 (S3110).

If n is not incremented to 4 (No in S3110), n is incremented (S3111) and the processing from S3109 is repeated.
If n has been incremented to 4 (Yes in S3110), 2 is substituted for n (S3112). (After the blur correction shooting / recording 2 processing, S3113 to S3119
The process in step S29 is S29 of the above-described shake correction shooting / recording 1 process.
This is the same as the processing in 07 to S2913. ) Frame 1
On the other hand, the correlation is calculated while moving the frame n, and the movement amount of the frame n having the maximum correlation is obtained (S31).
13) Then, the frame n is actually moved by the calculated movement amount (S3114), and it is determined whether or not n is incremented to 4 (S3115).

If n is not incremented to 4 (No in S3115), n is incremented (S3116) and the processes from S3113 are repeated.

If n has been incremented to 4 (Yes in S3115), frame 1 to frame 4
Image data is added (S3117), shooting-related data is recorded in the tag (S3118), and the added image data is compressed and recorded in the memory card 13 (S3119). Will be returned.

By using the optical blur correction photographing / recording 2 processing as described above, for example, when the shutter speed is designated or set to 1/8 second, 1/1 is set.
Assuming that the motion vector reaches a predetermined threshold value after 6 seconds, a single image corresponding to a shutter speed of 1/16 second is generated by being exposed while the optical blur correction function is used. , The remaining 1/16 (1 / 8-1 / 1
6) The shutter speed for seconds is divided into three, 1
Three images corresponding to a shutter speed of / 48 seconds are combined, and the image data of these combined images is recorded in the memory card 13.

Actually, the setting on these shake correction modes is accompanied by the following display on the liquid crystal monitor 130.
FIG. 13 is a diagram showing a display on the liquid crystal monitor 130 when the blur correction mode is set by the photographer, and FIG. 14 is a diagram showing whether or not optical blur correction is further performed when the blur correction mode III is selected. FIG. 6 is a diagram showing a display on the liquid crystal monitor 130 when the photographer sets whether or not (electronic) blur correction processing is performed.

In the display on the liquid crystal monitor 130 shown in FIG. 13, the photographer uses the cross key 126 (see FIG. 3) to move the cursor 1301 up and down and presses the enter key 127 to obtain a desired blur. The correction mode can be selectively set, and the liquid crystal monitor 13 shown in FIG.
In the display of 0, the photographer uses the cross key 126 as in the above.
Using the enter key 127, the two switch settings in the photographing process (FIG. 10) are instructed, whether or not the optical blur correction of the interchangeable lens 11 is used, and whether the electronic blur correction process of the camera body 12 is performed. Whether or not can be set.

To summarize the above, the present camera system can perform the following processing by setting each shake correction mode.

That is, in photographing in which the blur correction mode I is designated, the interchangeable lens is used when the interchangeable lens has the optical blur correcting function and when the interchangeable lens does not have the optical blur correcting function. When the focal length of the camera is less than 80 mm (wide-angle shooting) and the shutter speed is less than or equal to the reciprocal of the focal length of the interchangeable lens, the electronic camera shake correction function of the camera body is controlled not to operate, and the interchangeable lens is also controlled. When the camera does not have an optical blur correction function, the focal length of the interchangeable lens is 80 mm or more (telephoto shooting) or the shutter speed is larger than the reciprocal of the focal length of the interchangeable lens. It is controlled to activate the dynamic blur correction function.

In particular, when the interchangeable lens has the optical blur correction function, the electronic blur correction function on the camera body side is not activated, so that the image processing time can be shortened. The time interval from one shooting to the next shooting can be shortened.

In photographing in which the blur correction mode II is designated, when the interchangeable lens does not have an optical blur correcting function, the electronic blur correcting function of the camera body is controlled to operate, and the interchangeable lens is optically operated. When the camera has a shake correction function, it is controlled so that the electronic shake correction function of the camera body and the optical shake correction function of the interchangeable lens are used together.

In shooting with the shake correction mode III specified, depending on the switch setting of the photographer, if the interchangeable lens has the optical shake correction function, the electronic shake correction function is not operated or the electronic shake correction function is not activated. It is instructed whether to operate both the correction function and the optical shake correction function at the same time, and when the interchangeable lens does not have the optical shake correction function,
It is instructed whether to activate the electronic image stabilization function.

In photographing with the blur correction mode IV specified, if the focal length of the interchangeable lens is smaller than 80 mm and the shutter speed is less than or equal to the reciprocal of the focal length of the interchangeable lens, electronic blurring of the camera body is performed. When the focal length of the interchangeable lens is 80 mm or more, or when the shutter speed is greater than the reciprocal of the focal length of the interchangeable lens, the correction function is controlled not to operate.
(1) When the interchangeable lens does not have an optical blur correction function, it is controlled to operate the electronic blur compensation function, and (2) when the interchangeable lens has an optical blur compensation function, It is controlled so that the optical image stabilization function and the optical image stabilization function are operated together.

In these camera systems, the photographer appropriately sets any one of the blur correction modes I to IV, so that effective blur correction is appropriately selected according to the type of the interchangeable lens. It will be.

Further, in the above description, the optical blur correction function on the interchangeable lens side and the electronic blur correction function on the camera body side are used together to operate the optical blur correction function. Regarding the combined use of the two functions, it can be said that more preferable shake correction is performed because the following control is performed in particular.

That is, (1) by using the data indicating the amount of blur detected for the optical blur correction (data indicating the motion vector), it is determined whether or not the optical blur correction is stopped. It is possible to eliminate the need to newly provide a detection device for the control that uses both the optical shake correction and the electronic shake correction.

(2) When a predetermined threshold value representing a range in which optical blur correction is possible is exceeded, photographing accompanied by optical blur correction is stopped and photographing using electronic blur correction is started, whereby camera blurring is started. When is extremely large, effective blur correction can be performed by simpler processing.

(3) A time point close to the time when the shutter button is pressed by synthesizing a plurality of images photographed with electronic blur correction with reference to an image photographed with optical blur correction. With this image as a reference, more preferable blur correction can be performed.

(4) The time from the start of exposure to the time at which optical blur correction is stopped is subtracted from the exposure time designated at the time of shooting, and the electronic blur after the optical blur correction is stopped. By setting the exposure time for shooting with correction, it is possible to eliminate insufficient exposure for the designated exposure time, and more preferable blur correction can be performed.

(5) In particular, when the focal length of the interchangeable lens is larger than a predetermined value or when the designated exposure time is larger than the reciprocal of the focal length of the interchangeable lens, the optical image is easily generated under the condition that a blurred image is easily generated. By using both the electronic blurring correction and the electronic blurring correction together, the blurring correction can be more effectively designated.

[0100]

The camera body of the first digital camera according to the present invention is more effective because the body side blur suppression function is activated or deactivated depending on the focal length of the interchangeable lens, the exposure time and the like. The appropriate shake correction will be appropriately selected.

In particular, in the camera body of the first digital camera, when the interchangeable lens having the lens-side blurring suppressing function is attached, the body-side blurring suppressing function is set to be inoperative so that the photographing is performed. In this case, the image processing time can be shortened.

In the camera body of the second digital camera according to the present invention, depending on whether or not the interchangeable lens has the lens-side blurring suppressing function, from the first time point when the exposure is started to the predetermined second time point. The lens-side blurring suppressing function and the first-type exposure image generated by using the lens-side blurring suppressing function, and a predetermined number of divisions from the second time point to the third time point corresponding to the designated exposure time. Since the combined operation of the body-side blurring suppressing function for synthesizing the second type exposure image or the operation of the body-side blurring suppressing function is set, effective blurring correction is appropriately selected.

In the camera body of the third digital camera according to the present invention, the lens-side blur suppression function and the body-side blur suppression function in the case where the interchangeable lens has the lens-side blur suppression function in accordance with the selection (by the photographer) in advance. Since the combined operation and non-operation of the blur suppression function as described above are set, it can be said that effective blur correction is appropriately selected.

In the camera body of the fourth digital camera according to the present invention, when a blurred image is difficult to be generated,
Under the condition that the body side blur suppression function is disabled and the blur image is likely to be generated, depending on whether or not the interchangeable lens has the lens side blur suppression function, the lens side blur suppression function and the body side blur suppression function , Combined operation as above,
Alternatively, since the operation of the body side blur suppression function is set, it can be said that effective blur correction is appropriately selected.

In the camera body of the fifth digital camera according to the present invention, when the interchangeable lens has the lens-side blurring suppressing function, the lens-side blurring suppressing function and the body-side blurring suppressing function are selected according to the amount of blurring of the camera body. It can be said that effective blur correction is performed according to the interchangeable lens because it is set to operate.

In particular, in the camera body of the fifth digital camera, the blur amount of the camera body is specified by the data indicating the blur amount detected by the lens side blur suppression function. Need not be newly provided.

In the camera body of the fifth digital camera, the operation of the lens side blurring suppression function is stopped and the operation of the body side blurring suppression function is started when it is determined that the blurring amount is larger than a predetermined value. By doing so, more effective blur correction can be performed by a simpler process.

Further, in the camera body of the fifth digital camera, a plurality of exposures generated by operating the body side image blur suppression function are set on the basis of the exposure image generated by operating the lens side image blur suppression function. By moving and synthesizing the images, more preferable blur correction can be performed based on the exposure image at the time when the exposure is started.

In the camera body of the fifth digital camera, the exposure time at the time of shooting with the body side blurring suppression function activated is set appropriately, so that the exposure is insufficient for the specified exposure time. Can be resolved.

Further, in the camera body of the fifth digital camera, under the condition that a blurred image is easily generated,
By using the optical blur correction and the electronic blur correction together, the blur correction can be more effectively designated.

[Brief description of drawings]

FIG. 1 is a top view for explaining the overall configuration of a camera system 1 which is one of the embodiments of the present invention.

FIG. 2 is a camera body 1 included in the present camera system 1.
It is a figure which shows the front surface of 2.

FIG. 3 is a diagram showing a back surface of a camera body 12.

FIG. 4 is a cross-sectional view showing a main configuration relating to shooting by the camera system 1.

5 is a block diagram showing a configuration of a control unit of the camera system 1. FIG.

FIG. 6 is a diagram for explaining electronic blur correction processing.

FIG. 7 is a diagram showing an example of data recorded on a memory card 13.

FIG. 8 is a flowchart showing a procedure of lens exchange-related processing accompanying exchange of the interchangeable lens 11.

FIG. 9 is a first flowchart showing a procedure of a photographing process.

FIG. 10 is a second flowchart showing the procedure of a photographing process.

FIG. 11 is a flowchart showing a procedure of optical blur correction photographing / recording 1 processing.

FIG. 12 is a flowchart showing a procedure of optical blur correction photographing / recording 2 processing.

FIG. 13 is a diagram showing a display on the liquid crystal monitor when the blur correction mode is set by the photographer.

FIG. 14 is a view showing the liquid crystal monitor 130 when the photographer sets whether to perform optical blur correction and whether to perform (electronic) blur correction processing when the blur correction mode III is selected. It is a figure which shows the display of.

[Explanation of symbols]

1 camera system 11 Interchangeable lens 12 camera body 13 memory card 120 grip 121 shutter button 122 power switch 123 Finder 124 Camera body side communication terminal 125 joint holes 126 Four-way controller 127 Confirm key 128 Cancel key 129 Menu key 130 LCD monitor 131 First lens group 132 Variable apex angle prism 133 second lens group 134 Lens side communication terminal 141 X angular velocity sensor 142 X blur control circuit 143 X actuator 144 X vertical angle sensor 145 Y angular velocity sensor 146 Y shake control sensor 147 Y vertical angle sensor 148 Y actuator 149 lens ROM 151 screw 152 screw shaft 153 Lens drive motor 201 Camera control unit 202 aperture driver 203 power supply 301 Imaging control unit 302 Timing control circuit 303 Timing Generator 304 signal processing circuit 305 A / D converter 306 Black level correction circuit 307 WB circuit 308 γ correction circuit 309 image memory 310 VRAM 311 Operation part 312 card I / F 401 subject 402 shooting range 411 first frame 412 second frame 1201 Penta prism 1202 quick return mirror 1203 CCD unit 1204 CCD 1205 focal plane shutter 1301-1303 cursor

Continuation of front page (51) Int.Cl. ⁷ identification code FI H04N 5/232 H04N 5/232 Z (58) Fields investigated (Int.Cl. ⁷ , DB name) G03B 5/00 G03B 7/20 G03B 17 / 14 G03B 19/02 H04N 5/232

Claims (19)

(57) [Claims] 1. An image corresponding to a specified exposure time by dividing the specified exposure time and synthesizing the exposure images for the number of divisions obtained by the exposure with the divided exposure time based on the correlation. has a suppressing body side blur suppression function blurring upon generation of a camera body of a digital camera interchangeable lens is mounted, it is specified exposure time, focal length of the mounted interchangeable lens
When the reciprocal of the separation is less than the
The camera body of a digital camera, which is set so that it does not move . 2. The camera body of a digital camera according to claim 1, wherein when the focal length of the attached interchangeable lens is smaller than a predetermined value, the body side blurring suppressing function is set not to operate. 3. The camera body of the digital camera according to claim 1, wherein when the focal length of the attached interchangeable lens is larger than a predetermined value, the camera body side blur suppression function is activated. 4. A lens-side blurring suppressing function for suppressing blurring when an image is generated by changing the direction of light passing through the interchangeable lens according to the movement of the interchangeable lens,
The camera body of the digital camera according to claim 1, wherein the camera body of the digital camera is set so as not to activate the body-side blurring suppressing function when the attached interchangeable lens has it. 5. An image corresponding to a specified exposure time by dividing the specified exposure time and synthesizing the exposure images for the number of divisions obtained by the exposure with the divided exposure time based on the correlation. A camera body of a digital camera equipped with an interchangeable lens, which has a body-side blurring suppression function to suppress blurring when the image is generated, and changes the direction of light passing through the interchangeable lens according to the movement of the interchangeable lens. Sets the lens-side blurring suppression function that suppresses blurring when generating an image to activate the body-side blurring suppression function when the attached interchangeable lens does not have it. In the case of having the suppression function, the first-type dew generated by using the lens-side blur suppression function from the first time point when the image exposure is started to the predetermined second time point. Setting to combine the image and the second type exposure image, which is the exposure image for the predetermined number of divisions from the second time point to the third time point corresponding to the specified exposure time, by using the body side blur suppression function The camera body of a digital camera characterized by: 6. An image corresponding to a specified exposure time by dividing the specified exposure time and synthesizing the exposure images for the number of divisions obtained by the exposure with the divided exposure time based on the correlation. A camera body of a digital camera equipped with an interchangeable lens, which has a body-side blurring suppression function to suppress blurring when the image is generated, and changes the direction of light passing through the interchangeable lens according to the movement of the interchangeable lens. Thus, when the attached interchangeable lens has a lens-side blurring suppression function that suppresses blurring when generating an image, the lens-side blurring suppression from the first time point when the exposure of the image is started to a predetermined second time point is performed. First generated using a function
The seed exposure image and the second exposure image, which is the exposure image for the predetermined number of divisions from the second time point to the third time point corresponding to the specified exposure time, are combined using the body side blur suppression function. A camera body of a digital camera, which accepts a selection as to whether or not to set. 7. An image corresponding to a specified exposure time by dividing the specified exposure time and synthesizing the exposure images for the number of divisions obtained by the exposure with the divided exposure time based on the correlation. A camera body of a digital camera to which an interchangeable lens is attached, which has a body-side blurring suppressing function to suppress blurring when generating
Also, if the specified exposure time is less than the reciprocal of the focal length of the attached interchangeable lens, the body side blur suppression function is set not to operate, and the attached focal length of the interchangeable lens is greater than the specified value. Alternatively, if the specified exposure time is greater than the reciprocal of the focal length of the attached interchangeable lens, the direction of the light passing through the interchangeable lens is changed according to the movement of the interchangeable lens, so that blurring during image generation is prevented. Set the lens side blur suppression function to activate the body side blur suppression function when the attached interchangeable lens does not have it, and the focal length of the attached interchangeable lens is greater than a specified value or specified. If the installed exposure time is larger than the reciprocal of the focal length of the attached interchangeable lens, and the attached interchangeable lens has a lens side blur suppression function. A first type exposure image generated by using the lens-side blurring suppression function from the first time point when the exposure of the image is started to a predetermined second time point, and the first type exposure image corresponding to the specified exposure time from the second time point. Three
A camera body of a digital camera, characterized in that it is set so as to be combined with a second type exposure image which is an exposure image for a predetermined number of divisions up to a point in time using a body side blurring suppression function. 8. An image corresponding to a specified exposure time by dividing the specified exposure time and synthesizing the exposure images for the number of divisions obtained by the exposure with the divided exposure time based on the correlation. A camera body of a digital camera equipped with an interchangeable lens, which has a body-side blurring suppression function to suppress blurring when the image is generated, and changes the direction of light passing through the interchangeable lens according to the movement of the interchangeable lens. Therefore, if the attached interchangeable lens has a lens-side blurring suppression function that suppresses blurring when generating an image, and the focal length of the attached interchangeable lens is larger than a predetermined value.
First, a camera body of a digital camera, which is set to operate a lens side blurring suppression function and a body side blurring suppression function according to the amount of camera body blurring. 9. The camera body of a digital camera according to claim 8 , wherein the blur amount of the camera body is specified by data indicating the blur amount detected by the lens side blur suppression function. 10. The camera body of a digital camera according to claim 9 , wherein the operation of the lens-side blurring suppressing function is stopped when it is determined that the blurring amount is larger than a predetermined value. 11. The camera body of a digital camera according to claim 10 , wherein the operation of the body side blurring suppression function is started at the time when it is determined that the blurring amount is larger than a predetermined value. 12. A plurality of exposure images generated by operating the body-side blurring suppression function from the time point are moved with respect to an exposure image generated by operating the lens-side blurring prevention function up to the time point. The camera body of the digital camera according to claim 11 , wherein the camera body and the camera body are combined together. 13. The exposure time corresponding to the exposure after the body side blur suppression function is activated after the time point is set to the specified exposure time and the exposure after the lens side blur suppression function is activated before the time point. The camera body of the digital camera according to claim 11, which is set as a difference from a corresponding exposure time. 14. A lens-side blur suppression function and a body-side blur suppression function are activated according to the amount of blur of the camera body when the specified exposure time is greater than the reciprocal of the focal length of the mounted interchangeable lens. The camera body of the digital camera according to claim 8, which is set. 15. An image corresponding to a specified exposure time by dividing the specified exposure time and synthesizing the exposure images for the number of divisions obtained by the exposure with the divided exposure time based on the correlation. It includes inhibiting the body-side blur suppression processor blur upon generating of the interchangeable lens is a computer readable recording medium recording a program for controlling the camera body of a digital camera mounted, designated exposure time But the focal length of the attached interchangeable lens
When the reciprocal of the separation is less than the
A computer-readable recording medium storing a program for controlling the camera body of a digital camera, which is set so as not to move . 16. An image corresponding to the specified exposure time by dividing the specified exposure time and synthesizing the exposure images for the number of divisions obtained by the exposure with the divided exposure time based on the correlation. A computer-readable recording medium that contains a program for controlling the camera body of a digital camera to which the interchangeable lens is attached, including body-side blur suppression processing that suppresses blur when generating By changing the direction of light according to the movement of the interchangeable lens, the lens side blur suppression function that suppresses blurring when generating images is activated when the attached interchangeable lens does not have one. When the attached interchangeable lens has the lens-side blurring suppression function, whether it is the first time when the exposure of the image is started. A first type exposure image generated by using the lens-side blurring suppression function up to a predetermined second time point, and exposure for a predetermined number of divisions from the second time point to a third time point corresponding to a specified exposure time. A computer-readable recording medium having a program for controlling a camera body of a digital camera, characterized in that the second type exposure image, which is an image, is set so as to be combined using a body side blur suppression process. 17. An image corresponding to a specified exposure time by dividing the specified exposure time and synthesizing the exposure images for the number of divisions obtained by the exposure with the divided exposure time based on the correlation. A computer-readable recording medium that contains a program for controlling the camera body of a digital camera to which the interchangeable lens is attached, including body-side blur suppression processing that suppresses blur when generating When the attached interchangeable lens has a lens-side blurring suppression function that suppresses blurring when generating an image by changing the direction of light according to the movement of the interchangeable lens, the first exposure of the image is started. The first generated by using the lens side blurring suppression function from the first time point to the predetermined second time point.
The seed exposure image and the second exposure image, which is the exposure image for the predetermined number of divisions from the second time point to the third time point corresponding to the specified exposure time, are combined using the body side blur suppression process. A computer-readable recording medium having recorded therein a program for controlling a camera body of a digital camera, which is characterized by receiving a selection as to whether or not to set. 18. An image corresponding to a specified exposure time by dividing the specified exposure time and synthesizing the exposure images for the number of divisions obtained by the exposure with the divided exposure time based on the correlation. A computer-readable recording medium that stores a program for controlling the camera body of a digital camera to which an interchangeable lens is attached, including a body-side blurring suppression process that suppresses blur when the interchangeable lens is attached. The focal length of is smaller than the specified value,
Also, if the specified exposure time is smaller than the reciprocal of the focal length of the attached interchangeable lens, the body side blur suppression process is set not to operate, and the focal length of the attached interchangeable lens is larger than a predetermined value. Alternatively, if the specified exposure time is greater than the reciprocal of the focal length of the attached interchangeable lens, the direction of the light passing through the interchangeable lens is changed according to the movement of the interchangeable lens, so that blurring during image generation is prevented. Set the lens side blur suppression function to activate the body side blur suppression process when the attached interchangeable lens does not have it, and the focal length of the attached interchangeable lens is greater than a specified value or specified. If the installed exposure time is larger than the reciprocal of the focal length of the attached interchangeable lens, and the attached interchangeable lens has a lens side blur suppression function. A first type exposure image generated by using the lens-side blurring suppression function from the first time point when the exposure of the image is started to a predetermined second time point, and the first type exposure image corresponding to the specified exposure time from the second time point. Three
A program for controlling a camera body of a digital camera, which is set so as to be combined with a second type exposure image, which is an exposure image for a predetermined number of divisions up to a point in time, using body side blurring suppression processing. A computer-readable recording medium in which is recorded. 19. An image corresponding to a specified exposure time by dividing the specified exposure time and synthesizing the exposure images for the number of divisions obtained by the exposure with the divided exposure time based on the correlation. A computer-readable recording medium that contains a program for controlling the camera body of a digital camera to which the interchangeable lens is attached, including body-side blur suppression processing that suppresses blur when generating If the attached interchangeable lens has a lens-side blurring suppression function that suppresses blurring when generating an image by changing the direction of light according to the movement of the interchangeable lens, the focal length of the mounted interchangeable lens Is greater than the specified value
First, a computer-readable recording program for controlling the camera body of a digital camera, characterized in that the lens side blur suppression function and the body side blur suppression process are set to operate according to the amount of camera body blur Possible recording medium.