WO2013157224A1 - ストロボ装置の照射方向角度調整方法ならびにストロボ装置およびストロボ装置を備えた撮像装置 - Google Patents
ストロボ装置の照射方向角度調整方法ならびにストロボ装置およびストロボ装置を備えた撮像装置 Download PDFInfo
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- WO2013157224A1 WO2013157224A1 PCT/JP2013/002428 JP2013002428W WO2013157224A1 WO 2013157224 A1 WO2013157224 A1 WO 2013157224A1 JP 2013002428 W JP2013002428 W JP 2013002428W WO 2013157224 A1 WO2013157224 A1 WO 2013157224A1
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- WIPO (PCT)
- Prior art keywords
- strobe device
- direction angle
- irradiation direction
- strobe
- signal
- Prior art date
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
- G03B15/05—Combinations of cameras with electronic flash apparatus; Electronic flash units
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B2215/00—Special procedures for taking photographs; Apparatus therefor
- G03B2215/05—Combinations of cameras with electronic flash units
- G03B2215/0514—Separate unit
- G03B2215/0517—Housing
- G03B2215/0521—Housing movable housing, e.g. bounce-light
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B2215/00—Special procedures for taking photographs; Apparatus therefor
- G03B2215/05—Combinations of cameras with electronic flash units
- G03B2215/0514—Separate unit
- G03B2215/0557—Multiple units, e.g. slave-unit
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B2215/00—Special procedures for taking photographs; Apparatus therefor
- G03B2215/05—Combinations of cameras with electronic flash units
- G03B2215/0582—Reflectors
- G03B2215/0585—Movable reflectors, e.g. change of illumination angle or direction
Definitions
- the present invention relates to a method for adjusting an irradiation direction angle of a stroboscopic device when stroboscopic photography is performed using a plurality of stroboscopic devices, a stroboscopic device, and an imaging device including the stroboscopic device.
- each strobe device is disposed at an appropriate position with respect to the subject, for example, on the front side, the back side, the up-down direction side, and the left-right direction side of the subject.
- a method of adjusting the irradiation direction angle of a strobe device includes a step of transmitting a first signal related to a current irradiation direction angle of a strobe device to be adjusted to a specific strobe device, and a specific strobe device.
- a first signal related to a current irradiation direction angle of a strobe device to be adjusted to a specific strobe device, and a specific strobe device.
- the second signal is transmitted from the specific strobe device to the strobe device to be adjusted, and the irradiation direction angle of the strobe device to be adjusted is changed to a desired irradiation direction angle.
- the irradiation direction angle of another strobe device to be adjusted remotely can be adjusted.
- each strobe device includes a strobe body unit, a light emitting unit, a signal transmission / reception unit, and a control unit. Then, the control unit of its own strobe device changes the irradiation direction angle of its own strobe device based on the first signal related to the current irradiation direction angle of the other strobe device.
- control is performed to transmit the change amount of the irradiation direction angle further changed from the signal transmission / reception unit to the other strobe device as a second signal, and the control unit of the other strobe device is It has a configuration for performing control to change the irradiation direction angle of another strobe device based on the second signal.
- the second signal is transmitted to another strobe device, and the irradiation direction angle of the other strobe device is changed to a desired irradiation direction angle.
- the irradiation direction angle of another strobe device can be adjusted remotely from the position of the own strobe device.
- each strobe device includes a strobe main unit, a light emitting unit capable of changing an irradiation direction angle, a signal transmission / reception unit, and a control unit. Then, the control unit of the own strobe device performs control to transmit the first signal related to the current irradiation direction angle to the other strobe device. When the irradiation direction angle of the other flash device changed based on the first signal is further changed, the control unit of the other flash device further changes the other irradiation direction angle from the changed irradiation direction angle. To change the amount of change as the second signal. Further, the control unit of the own strobe device has a configuration for performing control to change the irradiation direction angle of the own strobe device based on the second signal.
- the second signal is transmitted from another strobe device, and the irradiation direction angle of its own strobe device is changed to a desired irradiation direction angle.
- the irradiation direction angle of its own strobe device is changed to a desired irradiation direction angle.
- each strobe device includes a strobe body unit, a light emitting unit capable of changing an irradiation direction angle, a signal transmission / reception unit, a control unit, and a selection unit.
- the selection unit has a first mode in which the irradiation direction angle of another strobe device is changed, and a second mode in which the own irradiation direction angle is changed. Then, when the selection unit is selected in the first mode, the control unit of the own strobe device irradiates the own strobe device based on the received first signal relating to the current irradiation direction angle of the other strobe device. Change the direction angle.
- control is performed to transmit the change amount of the irradiation direction angle changed from the irradiation direction angle changed based on the first signal as a second signal to another strobe device.
- the control unit of the other strobe device performs control to change the irradiation direction angle of the other strobe device based on the second signal.
- the control unit of its own strobe device performs control to transmit its current irradiation direction angle to another strobe device.
- the control unit of the other strobe device determines the change amount of the other irradiation direction angle to be changed from the changed irradiation direction angle. 2 is transmitted as a signal.
- the control unit of the own strobe device has a configuration for performing control to change the irradiation direction angle of the own strobe device based on the second signal.
- the second signal is transmitted to another strobe device, and the irradiation direction angle of the other strobe device is changed to a desired irradiation direction angle.
- the irradiation direction angle of another strobe device can be adjusted remotely from the position of the own strobe device.
- the second signal is transmitted from another strobe device, and the irradiation direction angle of its own strobe device is changed to a desired irradiation direction angle.
- the irradiation direction angle of its own strobe device can be adjusted remotely from a position where another strobe device is located.
- an imaging apparatus of the present invention includes the strobe device. As a result, an imaging apparatus that is excellent in operability and workability and can be photographed at an appropriate timing is obtained.
- FIG. 1 is a block diagram showing a configuration of an imaging apparatus according to an embodiment of the present invention.
- FIG. 2 is a side view of the strobe device according to the embodiment.
- FIG. 3 is a top view of the strobe device according to the embodiment.
- FIG. 4A is a diagram for explaining an irradiation range in the vertical direction that can be set by the strobe device according to the embodiment.
- FIG. 4B is a diagram for explaining an irradiation range in the left-right direction that can be set by the strobe device according to the embodiment.
- FIG. 5 is a block diagram of the strobe device according to the embodiment.
- FIG. 6 is a diagram illustrating a shooting situation at the time of multi-flash flash shooting using the flash device according to the embodiment.
- FIG. 7 is a control flowchart of the control unit of the strobe device according to the embodiment.
- FIG. 8 is a control flowchart of the control unit of the strobe device according to the embodiment.
- FIG. 9 is a control flowchart of the control unit of the strobe device according to the embodiment.
- FIG. 1 is a block diagram showing a configuration of an imaging apparatus according to an embodiment of the present invention.
- FIG. 2 is a side view of the strobe device according to the embodiment.
- FIG. 3 is a top view of the strobe device according to the embodiment.
- FIG. 4A is a diagram for explaining an irradiation range in the vertical direction that can be set by the strobe device according to the embodiment.
- FIG. 4B is a diagram for explaining an irradiation range in the left-right direction that can be set by the strobe device according to the embodiment.
- FIG. 5 is a block diagram of the strobe device according to the embodiment.
- the imaging apparatus 1 includes at least a photographing function unit 3 that images a subject, a calculation unit 4, a display unit 5, an operation unit 6, and a peripheral I / F (Interface). 7.
- the imaging device 1 is provided with a stroboscopic device 2 that irradiates a subject with stroboscopic light so as to be attachable (detachable).
- the calculation unit 4 controls the strobe device 2 and the photographing function unit 3.
- the display unit 5 displays an image obtained by capturing the subject.
- the operation unit 6 switches setting of shooting conditions and power on / off.
- the peripheral I / F 7 inputs and outputs image data and the like between the imaging device 1 and peripheral devices.
- the strobe device 2 of the present embodiment has a configuration suitable for multi-flash strobe photography for photographing a subject using a plurality of strobe devices 2 such as a specific strobe device and a strobe device to be adjusted.
- a specific strobe device may be described as “self strobe device” and a strobe device to be adjusted may be described as “other strobe device”.
- each of the plurality of strobe devices 2 of the present embodiment includes at least a strobe main body portion 8 formed of, for example, a rectangular housing and a flash discharge tube 9.
- the light emitting unit 10 houses the flash discharge tube 9 and emits light emitted from the flash discharge tube 9 toward the outside.
- the variable mechanism 11 varies the angle of the light emitting unit 10 with respect to the strobe body unit 8 so that the irradiation direction angle is changed.
- the drive unit 12 drives the variable mechanism 11.
- the operation start state detection unit 13 detects an operation start state when the angle of the light emitting unit 10 with respect to the strobe body unit 8 is changed from the outside by a photographer or the like.
- the angle detection unit 14 detects the angle of the light emitting unit 10 with respect to the strobe body unit 8.
- the signal transmission / reception unit 15 transmits / receives signals to / from other strobe devices 2.
- the selection unit 16 selects an irradiation direction angle adjustment mode for adjusting the irradiation direction angle of the strobe device 2.
- the control unit 17 controls the angle (posture) of the light emitting unit 10 with respect to the strobe body unit 8.
- the operation unit 18 is provided in the strobe body unit 8 and allows a photographer to set a desired irradiation direction angle.
- the light emitting unit 10 is rotatably connected to the upper surface 8 a side of the strobe body unit 8.
- the imaging apparatus 1 shown in FIG. 1 is provided on the lower surface 8b side of the strobe body 8 so as to be connectable.
- the strobe main body 8 is connected to the imaging device 1 so that the front faces the imaging direction B of the imaging device 1 (the optical axis direction of the imaging lens; see FIGS. 2 and 3).
- the strobe body 8 is connected to the imaging device 1 so that the front surface 8 c faces the shooting direction B of the imaging device 1.
- the light emitting unit 10 includes a housing formed in, for example, a substantially rectangular shape (including a rectangular shape), and an opening portion 19 that irradiates light emitted from the flash discharge tube 9 on one surface 10a side of the housing. It has. And the light emission part 10 changes the inclination direction with respect to the vertical direction A (refer FIG. 2) of the opening part 19 via the variable mechanism 11, and the irradiation direction C (refer FIG. 2) with which strobe light is irradiated is changed. It is configured to be changeable.
- the variable mechanism 11 includes a vertical direction variable mechanism 20 and a horizontal direction variable mechanism 21, and rotatably connects the strobe body unit 8 and the light emitting unit 10.
- the vertical direction variable mechanism 20 of the variable mechanism 11 rotates in the vertical direction F around the rotation axis X (see FIG. 4A) provided along the width direction D (see FIG. 3) of the strobe body 8.
- the horizontal direction variable mechanism 21 of the variable mechanism 11 can rotate in the horizontal direction G around a rotation axis Y (see FIG. 4B) provided in the vertical direction E (height direction: see FIG. 4A) of the strobe body 8. It is connected to.
- the drive unit 12 rotationally drives the vertical direction variable mechanism 20, for example, a vertical direction drive unit 22 including a vertical direction drive motor and the like, and a horizontal direction variable mechanism 21, for example.
- a horizontal driving unit 23 including a horizontal driving motor.
- the operation start state detection unit 13 starts changing the variable mechanism 11 when the angle of the light emitting unit 10 with respect to the strobe main body 8 is rotated from the outside by a photographer or the like. Detect that.
- the state where the variable mechanism 11 starts to change is referred to as an “operation start state”.
- the operation start state detector 13 detects the rotation of the vertical direction variable mechanism 20, for example, the rotary type potentiometer 24 for the vertical direction and the rotation of the horizontal direction variable mechanism 21, for example, the rotary type horizontal.
- a direction potentiometer 25 is provided.
- the angle detection unit 14 includes a vertical direction angle detection unit 26 and a horizontal direction angle detection unit 27 and is provided in the strobe body unit 8.
- the vertical direction angle detection unit 26 detects the inclination angle of the light emitting unit 10 in the vertical direction A.
- the horizontal direction angle detector 27 detects the rotation angle of the light emitting unit 10 with respect to the horizontal direction G.
- the vertical direction angle detection unit 26 is constituted by, for example, a three-axis acceleration sensor that detects acceleration in three directions of the XYZ axes.
- the vertical inclination angle of the light emitting unit 10 (the posture of the light emitting unit 10) is detected by detecting the gravitational acceleration at rest with a triaxial acceleration sensor.
- the horizontal direction angle detection unit 27 is configured by a geomagnetic sensor that detects the magnitude and direction of a magnetic field (magnetic field).
- the horizontal inclination angle (attitude of the light emission part 10) of the light emission part 10 is detected by detecting the azimuth
- the signal transmission / reception unit 15 is an input / output interface, and remotely communicates, for example, its own strobe device 2 and one or a group of other strobe devices 2 with, for example, wireless communication. Communicate using the method. Specifically, the signal transmission / reception unit 15 of the own strobe device 2 transmits information to be transmitted to the signal transmission / reception unit 15 of one or a group of other strobe devices 2 as a transmission destination, or one or a group of others. For example, a signal including identification information such as a channel for transmitting the strobe device 2 is transmitted. As a result, communication between the flash device 2 of its own and another flash device 2 is performed.
- the identification information means a unique value given in advance for each strobe device 2 in order to identify one or a group of other strobe devices 2, and a set value set as necessary.
- the identification information of the present embodiment is a setting value set as necessary for each strobe device 2, and will be described as “channel” below.
- the channel can be set individually for each other strobe device 2 or can be set collectively for a group of other strobe devices 2.
- the selection unit 16 includes at least a mode selection unit 28, a first channel selection unit 29, and a second channel selection unit 30.
- the mode selection unit 28 selects a master mode corresponding to the “first mode” of the present embodiment and a remote mode corresponding to the “second mode”.
- the master mode is a mode in which the irradiation direction angle of the light emitting unit 10 with respect to the strobe body unit 8 of another strobe device 2 is changed.
- the remote mode is a mode in which the irradiation direction angle of the light emitting unit 10 of the own flash device 2 is changed by another flash device 2 in the master mode.
- the first channel selection unit 29 selects the channel of the strobe device 2 in the remote mode
- the second channel selection unit 30 selects its own strobe device 2. Select the channel.
- the control unit 17 includes at least an A / D conversion device 31, an arithmetic device 32, a control device 33, and a storage device 34.
- the A / D conversion device 31 performs A / D conversion on the detection signal detected by the angle detection unit 14 and the signal received from the signal transmission / reception unit 15.
- the arithmetic device 32 calculates a rotation angle for operating the light emitting unit 10 based on the conversion value converted by the A / D conversion device 31.
- the control device 33 controls the posture of the light emitting unit 10 by driving the drive unit 12 based on the rotation angle calculated by the calculation device 32.
- the storage device 34 stores identification information or the like given to one or a group of strobe devices 2 such as its own strobe device 2 or another strobe device 2.
- control unit 17 of the present embodiment will be specifically described.
- control unit 17 selects, for example, its own strobe device 2 as the master mode by the mode selection unit 28 of the selection unit 16.
- the signal transmission / reception unit 15 of the flash device 2 of the own flash device 2 sends a first signal related to the current irradiation direction angle of another flash device 2 in remote mode (hereinafter referred to as “remote flash device”).
- remote flash device a first signal related to the current irradiation direction angle of another flash device 2 in remote mode
- control unit 17 rotates the light emitting unit 10 by changing the variable mechanism 11 with the drive unit 12 so as to correspond to the irradiation direction angle of the remote strobe device designated based on the first signal,
- the irradiation direction angle of the own strobe device 2 set to the mode is changed.
- the irradiation direction angle of its own strobe device 2 is changed to a desired state (irradiation direction angle most suitable for photographing) with respect to the remote strobe device.
- the control unit 17 rotates the amount of rotation (this (Corresponding to “change amount” in the embodiment) is transmitted from the signal transmitting / receiving unit 15 to the remote strobe device as a second signal.
- the irradiation direction angle of the remote strobe device that has received the second signal is changed based on the second signal of the irradiation direction angle of its own strobe device 2.
- the irradiation direction angle of the own flash device 2 and the other flash devices 2 is set to the desired irradiation direction angle of the photographer.
- control unit 17 selects the remote mode of the strobe device 2 by the mode selection unit 28 of the selection unit 16.
- control unit 17 sends the first signal related to the current irradiation direction angle of the own strobe device 2 from the signal transmission / reception unit 15 to the strobe device 2 in another master mode (hereinafter referred to as “master strobe device”). Send to.
- control unit 17 further rotates the angle of the light emitting unit 10 relative to the strobe body unit 8 by a photographer or the like from the irradiation direction angle of the master strobe device that has changed the irradiation direction angle based on the first signal.
- the rotation amount (change amount) of the irradiation direction angle of the master strobe device is further used as the second signal as the master strobe device. Send from.
- the control unit 17 rotates the light emitting unit 10 by changing the variable mechanism 11 using the drive unit 12, and the irradiation direction of its own strobe device 2. Change the angle. Thereby, the irradiation direction angle of the own flash device 2 and the other flash devices 2 is set to the desired irradiation direction angle of the photographer.
- the control unit 17 drives the drive unit 12 to change the variable mechanism 11 following the change, and changes the angle of the light emitting unit 10.
- the operation unit 18 shown in FIG. 5 is provided on the rear surface 8d of the strobe body unit 8, and constitutes a part of an input interface provided for setting or changing the photographing conditions of the strobe device 2.
- Information set or changed directly or indirectly by operation of the operation unit 18 is stored in the storage device 34 of the control unit 17 and gives a command to the control device 33 directly or indirectly.
- the operation unit 18 detects the tilted angle with the angle detection unit 14, and the calculation device 32 performs the desired operation.
- the irradiation direction angle can also be set.
- FIG. 6 is a diagram showing a shooting situation at the time of multi-flash flash shooting using the flash device according to the embodiment.
- a channel is assigned to each of the first strobe device 35, the second strobe device 36, and the third strobe device 37 in order to identify its own strobe device from other strobe devices.
- a channel is assigned by the photographer selecting a channel with the second channel selection unit 30 of the selection unit 16 of each of the first strobe device 35, the second strobe device 36, and the third strobe device 37. It is done. For example, “Channel 1” is selected for the first strobe device 35, “Channel 2” is selected for the second strobe device 36, and “Channel 3” is selected for the third strobe device 37.
- the channels selected by the second channel selection unit 30 of the selection unit 16 of the first strobe device 35, the second strobe device 36, and the third strobe device 37 are the first strobe device 35 and the second strobe device, respectively. 36 and the storage device 34 of each control unit 17 of the third strobe device 37.
- an irradiation direction angle adjustment method for a plurality of strobe devices will be described with reference to FIGS. 7 to 9 with reference to FIG.
- the method of adjusting the irradiation direction angle of the strobe device will be described by taking the first strobe device 35 and the second strobe device 36 as an example. That is, in the case of the third strobe device 37, the same operation is performed as described below in accordance with the selected master mode or remote mode, and thus description thereof is omitted.
- control flowcharts of the control unit of the strobe device according to the embodiment are control flowcharts of the control unit of the strobe device according to the embodiment.
- the photographer selects the irradiation direction angle adjustment mode (master mode / remote mode) of each of the first strobe device 35, the second strobe device 36, and the third strobe device.
- the first strobe device 35 near the photographer is selected by the mode selection unit 28 as the master mode.
- the second strobe device 36 and the third strobe device 37 are selected in the remote mode by the mode selection unit 28.
- the irradiation direction angle adjustment mode of each of the first strobe device 35, the second strobe device 36, and the third strobe device is selected as the master mode or the remote mode. (Step S1).
- the second strobe set as the remote strobe device in the remote mode In order to adjust the angle of the light emitting unit 10 of the device 36 from the position of the first strobe device 35, it is determined whether or not the channel of the second strobe device 36 has been set (step S2). At this time, channel 2 is selected by the first channel selection unit 29 of the first strobe device 35 in the master mode. Further, the channel 2 selected by the first channel selection unit 29 is stored in the storage device 34 of the control unit 17.
- step S2 when the channel of the second strobe device 36, which is a remote strobe device, is set (YES in step S2), the control unit 17 of the first strobe device 35 sends the signal from the signal transmitting / receiving unit 15 to the second strobe device 36.
- a transmission command of the first signal related to the current irradiation direction angle is transmitted to the second strobe device 36 (step S3).
- a first signal relating to the current irradiation direction angle of the second strobe device 36 is transmitted to the first strobe device 35. If the channel of the second strobe device 36 which is a remote strobe device is not set (No in step S2), the process waits until it is set.
- step S3 it is determined whether or not the transmission command for the first signal transmitted from the signal transmission / reception unit 15 of the first strobe device 35 has been received by the second strobe device 36, which is a remote strobe device (step S3).
- the control unit 17 of the second strobe device 36 adjusts.
- the angle of the current light emitting unit 10 before the detection is detected by the angle detection unit 14 (step S12). If the signal transmitter / receiver 15 of the second strobe device 36 has not received the first signal transmission command from the first strobe device 35 (No in step S11), the process waits until it is received.
- the angle detection unit 14 of the second strobe device 36 performs A / D conversion on the detected detection signal by the A / D conversion device 31 and inputs the converted value to the arithmetic device 32. Then, the arithmetic device 32 of the second strobe device 36 stores the conversion value input from the A / D conversion device 31 in the storage device 34 as the current angle (initial value) before adjusting the angle of the light emitting unit 10. To do.
- control unit 17 of the second strobe device 36 transmits a first signal corresponding to its own irradiation direction angle detected by the angle detection unit 14 to the first strobe device 35 (step S13).
- Step S4 it is determined whether or not the signal transmitting / receiving unit 15 of the first strobe device 35 has received the first signal transmitted from the second strobe device 36 that is a remote strobe device.
- the control unit 17 of the first strobe device 35 changes its own irradiation direction angle based on the first signal as shown in FIG. It changes so that it may become the irradiation direction angle in 2 strobe devices 36 (step S5). If the first signal has not been received (No in step S4), it waits for a predetermined time until it is received.
- the photographer confirms that the angle of the light emitting unit 10 in the first strobe device 35 is changed to the current angle of the light emitting unit 10 in the second strobe device 36. Then, by rotating the light emitting unit 10 of the first strobe device 35, the irradiation direction angle of the first strobe device 35 is adjusted (step S6). That is, the photographer rotates the angle of the light emitting unit 10 of the first strobe device 35 near the photographer so that the angle corresponds to the angle of the light emitting unit 10 of the remote second strobe device 36. Then, the angle of the light emitting unit 10 in the first strobe device 35 is adjusted.
- step S7 it is determined whether or not the operation start state detection unit 13 of the first strobe device 35 has detected an operation start state in which the angle of the light emitting unit 10 with respect to the strobe body unit 8 has been changed.
- the operation start state detection unit 13 detects the operation start state (YES in step S7)
- the angle of the light emitting unit 10 is changed so as to follow the change in the angle of the light emitting unit 10 of the first strobe device 35.
- Step S8 When the operation start state detection unit 13 of the first strobe device 35 does not detect the operation start state (No in step S7), the operation waits for a predetermined time until detection, and ends when the predetermined time elapses.
- the angle detection unit 14 of the first strobe device 35 detects the rotation amount (change amount) of the irradiation direction angle of its own strobe body unit 8 rotated from the current irradiation direction angle of its own (step). S9).
- control unit 17 of the first strobe device 35 uses the rotation amount of its own light emitting unit 10 detected by the angle detection unit 14 as a second signal as a second signal from the signal transmission / reception unit 15 to the signal transmission / reception unit of the second strobe device 36. 15 (step S10).
- step S14 it is determined whether or not the second strobe device 36 has received the second signal transmitted from the signal transmitting / receiving unit 15 of the first strobe device 35 (step S14).
- the control unit 17 of the second strobe device 36 determines its own irradiation direction.
- the driving unit 12 is driven based on the second signal to vary the variable mechanism 11, and the light emitting unit 10 is rotated by the amount of rotation. Turn (step S15).
- the irradiation direction angle of the second strobe device 36 is set to the irradiation direction angle after the rotation of the first strobe device 35.
- the first strobe device 35 in the master mode sets the irradiation direction angle of the first strobe device 35 based on the first signal transmitted from the second strobe device 36 in the remote mode. Rotate according to the current irradiation direction angle of 36.
- the photographer changes the irradiation direction angle of the first strobe device 35 to a desired irradiation direction angle for the second strobe device 36
- the second signal is transmitted from the first strobe device 35 to the second strobe device 36.
- the irradiation direction angle of the second strobe device 36 is changed to a desired irradiation direction angle.
- the irradiation direction angle of the second strobe device 36 can be adjusted remotely from a position where the first strobe device 35 is located.
- the first strobe device 35 transmits the first signal to the first strobe device 35 from the second strobe device 36 in which the remote mode is selected, and the irradiation direction angle of the first strobe device 35 is changed to the irradiation direction angle of the second strobe device 36. Rotate accordingly.
- the first strobe device 35 uses the irradiation direction angle of the first strobe device 35 as a second signal. 35, the irradiation direction angle of the second strobe device 36 is changed to a desired irradiation direction angle.
- the irradiation direction angle of the second strobe device 36 can be adjusted remotely from the position where the first strobe device 35 is located.
- the operation start state detection unit 13 of the first strobe device 35 detects the operation start state. At this time, the angle of the light emitting unit 10 is changed so as to follow the change of the irradiation direction angle of the first strobe device 35, and the operation of changing the light emitting unit 10 to a desired irradiation direction angle is assisted.
- the photographer does not need to operate the light emitting unit 10 of the first strobe device 35 against the mechanical reaction force.
- strobe devices such as the first strobe device 35 set to the master mode are not easily destroyed.
- the irradiation direction angle adjustment method of the strobe device of the present invention is not limited to the above-described embodiments, and various changes can be made without departing from the scope of the present invention. It goes without saying that may be added.
- the angle detection unit may include an azimuth detecting unit such as a GPS sensor that can detect the azimuth of each strobe device 2 in the irradiation direction.
- an azimuth detecting unit such as a GPS sensor that can detect the azimuth of each strobe device 2 in the irradiation direction.
- each strobe device 2 may be defined by a relative angle with respect to a specific direction (for example, a shooting direction or a direction where a subject is present) of each strobe main body 8 or the imaging device 1.
- the strobe device 2 may apply one or a plurality of strobe devices 2 or all of the strobe devices 2 to the strobe device 2 that supports bounce flash photography. Thereby, illumination more suitable for photography can be obtained by using a plurality of strobe devices.
- the communication method between the master strobe device in the master mode and the remote strobe device in the remote mode has been described as being wireless, but the present invention is not limited to this.
- wirelesses such as optical communication performed by infrared communication and the pulse light emission of a light emission part.
- communication may be performed by connecting the strobe devices 2 to each other and transmitting a light or electric signal for communication.
- a function for remotely identifying the strobe device 2 in the remote mode from among the plurality of strobe devices 2 may be provided.
- the strobe device 2 in the master mode transmits a response operation command to the strobe device 2 in the remote mode
- only the strobe device 2 in the remote mode among the plurality of strobe devices 2 performs a predetermined operation.
- You may comprise as follows. Thereby, it becomes possible to change only the irradiation direction angle of a specific strobe device 2, and it is possible to obtain illumination more suitable for photographing.
- predetermined operation means that the light emitting unit reciprocates by a predetermined angle, or that the light emitting unit, backlight light emitting unit, infrared light emitting unit, etc. emit light (flash emission, lighting, flashing, etc.) The operation to do. Furthermore, the strobe device 2 in each remote mode stores the angle of its own light emitting unit, and after returning to the response operation command from the strobe device 2 in the master mode, it returns to the angle before the response operation. Also good. As a result, it is possible to return to the origin after the photographing is completed.
- the operation unit 18 of the strobe device 2 is provided in the strobe body unit 8
- the present invention is not limited thereto.
- the operation unit may be provided in the light emitting unit or the imaging device 1.
- the strobe device 2 may be built in the imaging device 1.
- a strobe device in which a compact digital camera has an auto bounce function can be used similarly.
- the control unit 17 of the strobe device 2 is mounted in the imaging device 1, and the strobe device is controlled by communication via wired or wireless.
- a subject when photographed using a plurality of strobe devices including a strobe main body and a light emitting unit, one or a group of strobe devices among the plurality of strobe devices.
- This is a method of adjusting the irradiation direction angle of a strobe device that adjusts the irradiation direction angle.
- the step of making it correspond to the irradiation direction angle of the strobe device to be adjusted based on, and the step of changing the irradiation direction angle of the specific strobe device to a state desired for the strobe device to be adjusted.
- the specific strobe device changes its own irradiation direction angle in accordance with the current irradiation direction angle of the strobe device to be adjusted based on the first signal.
- the photographer considers the specific strobe device to be a strobe device that adjusts, and changes the stroboscope device that adjusts the irradiation direction angle of the specific strobe device to a desired state.
- the second signal is transmitted from the specific strobe device to the strobe device to be adjusted, and the irradiation direction angle of the strobe device to be adjusted is changed to a desired irradiation direction angle.
- the irradiation direction angle of another strobe device to be adjusted remotely can be adjusted.
- a strobe device for use in photographing a subject using a plurality of strobe devices composed of the own strobe device and other strobe devices, each strobe device comprising a strobe body.
- a light emitting unit capable of changing the irradiation direction angle
- a signal transmitting / receiving unit and a control unit.
- the control unit of the own strobe device responds to the irradiation direction angle of the other strobe device based on the first signal related to the current irradiation direction angle of the other strobe device received by the signal transmission / reception unit of the own strobe device. Let me change the irradiation direction angle of my strobe device.
- the change amount of the irradiation direction angle further changed from the irradiation direction angle changed based on the first signal is changed.
- control is performed so that the second signal is transmitted from the signal transmission / reception unit to another strobe device.
- the control unit of the other strobe device has a configuration for performing control to change the irradiation direction angle of the other strobe device based on the second signal.
- the irradiation direction angle of its own strobe device is changed according to the current irradiation direction angle of the other strobe device, based on the first signal transmitted from the other strobe device.
- the photographer changes the irradiation direction angle of his strobe device to a desired state with respect to other strobe devices.
- the second signal is transmitted to another strobe device, and the irradiation direction angle of the other strobe device is changed to a desired irradiation direction angle.
- the irradiation direction angle of another strobe device can be adjusted remotely from the position of the own strobe device.
- a strobe device for use in photographing a subject using a plurality of strobe devices composed of the own strobe device and other strobe devices, each strobe device comprising a strobe body.
- a light emitting unit capable of changing the irradiation direction angle
- a signal transmitting / receiving unit and a control unit.
- the control unit of its own strobe device performs control to transmit the first signal related to its current irradiation direction angle from the signal transmitting / receiving unit to another strobe device.
- the control unit of the other strobe device changes the irradiation direction angle changed based on the first signal. From this, control is performed so that the change amount of the other irradiation direction angle to be changed is transmitted as the second signal. Further, the control unit of the own strobe device further has a configuration for performing control to change the irradiation direction angle of the own strobe device based on the second signal received by the signal transmission / reception unit.
- the first signal is transmitted to the other strobe device so that the irradiation direction angle of the other strobe device corresponds to the irradiation direction angle of the own strobe device.
- the photographer changes the irradiation direction angle of another strobe device to a desired irradiation direction angle with respect to the own strobe device.
- the second signal is transmitted from another strobe device, and the irradiation direction angle of its own strobe device is changed to a desired irradiation direction angle.
- a strobe device for use in photographing a subject using a plurality of strobe devices composed of the own strobe device and other strobe devices, each strobe device comprising a strobe body.
- Unit a light emitting unit capable of changing the irradiation direction angle
- a signal transmission / reception unit a control unit
- a selection unit selects a first mode in which the irradiation direction angle of another strobe device is changed, and a second mode in which the irradiation direction angle of the own strobe device is changed by another strobe device in the first mode.
- the control unit of the own strobe device receives the first signal relating to the current irradiation direction angle of the other strobe device received by the signal transmission / reception unit of the own strobe device. Based on the above, the irradiation direction angle of its own strobe device is changed in correspondence with the irradiation direction angle of the other strobe device.
- the changed irradiation direction angle is changed to a desired state with respect to another strobe device, a change amount of the irradiation direction angle further changed from the irradiation direction angle changed based on the first signal is changed to 2 is transmitted from the signal transmission / reception unit to another strobe device as the second signal.
- control unit of the other strobe device performs control to change the irradiation direction angle of the other strobe device based on the second signal.
- control unit of the own strobe device performs control to transmit the first signal related to the current irradiation direction angle from the signal transmission / reception unit to another strobe device. Do. Then, the control unit of the other strobe device may change the irradiation direction angle of the other strobe device that has changed the irradiation direction angle based on the first signal, and the irradiation changed based on the first signal.
- Control is performed so that the change amount of another irradiation direction angle that is further changed from the direction angle is transmitted as the second signal. Furthermore, the control unit of the own strobe device has a configuration for performing control to change the irradiation direction angle of the own strobe device based on the second signal received by the signal transmission / reception unit.
- the irradiation direction angle of its own strobe device is determined based on the first signal transmitted from the other strobe device. It is changed according to the irradiation direction angle.
- the photographer changes the irradiation direction angle of his strobe device to a state desired for another strobe device.
- the second signal is transmitted to another strobe device, and the irradiation direction angle of the other strobe device is changed to a desired irradiation direction angle.
- the irradiation direction angle of another strobe device can be adjusted remotely from the position of the own strobe device.
- the first signal is transmitted to the other strobe device so that the irradiation direction angle of the other strobe device corresponds to the irradiation direction angle of the own strobe device.
- the photographer changes the irradiation direction angle of another strobe device to a desired irradiation direction angle with respect to the own strobe device.
- the second signal is transmitted from another strobe device, and the irradiation direction angle of its own strobe device is changed to a desired irradiation direction angle.
- the irradiation direction angle of its own strobe device can be adjusted remotely from a position where another strobe device is located.
- the strobe device further includes an operation start state detection unit that detects an operation start state that changes an angle of the light emitting unit with respect to the strobe body unit, and the control unit detects the operation start state detection unit. It has the structure which performs control which changes the angle of a light emission part so that it may follow an operation start state.
- the operation start state detection unit detects the operation start state of the strobe device. Then, the angle of the light emitting unit of the strobe device is changed so as to follow the change of the irradiation direction angle of the strobe device. Thereby, the operation
- the strobe device is provided. As a result, the operability and workability are reduced, and an imaging device capable of photographing at an appropriate timing can be realized.
- the control unit of the strobe device may be mounted on the imaging device, and the control unit may control the strobe device by communication with the strobe device mounted on the imaging device. .
- a compact camera with a built-in strobe device can realize the same operation.
- the present invention is useful in technical fields such as a strobe device and an imaging device that perform strobe photography using a plurality of strobe devices.
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Abstract
Description
以下に、本発明の実施の形態のストロボ装置およびストロボ装置を備えた撮像装置について、図1から図5を用いて説明する。
2 ストロボ装置
3 撮影機能部
4 演算部
5 表示部
6,18 操作部
8 ストロボ本体部
8a 上面
8b 下面
8c 正面
8d 背面
9 閃光放電管
10 発光部
10a 一方の面
11 可変機構
12 駆動部
13 動作開始状態検知部
14 角度検出部
15 信号送受信部
16 選択部
17 制御部
19 開口部
20 鉛直方向可変機構
21 水平方向可変機構
22 鉛直方向駆動部
23 水平方向駆動部
24 鉛直方向用ポテンショメータ
25 水平方向用ポテンショメータ
26 鉛直方向角度検出部
27 水平方向角度検出部
28 モード選択部
29,30 チャネル選択部
31 変換装置
32 演算装置
33 制御装置
34 記憶装置
35 第1ストロボ装置
36 第2ストロボ装置
37 第3ストロボ装置
Claims (7)
- ストロボ本体部と発光部とを備えるストロボ装置を複数用いて被写体を撮影する場合において、複数の前記ストロボ装置のうちの1つまたは1群のストロボ装置の照射方向角度を調整するストロボ装置の照射方向角度調整方法であって、
前記調整するストロボ装置の現在の照射方向角度に関する第1の信号を前記複数のストロボ装置のうちの特定のストロボ装置に送信するステップと、
前記特定のストロボ装置の照射方向角度を、前記第1の信号に基づいて前記調整するストロボ装置の照射方向角度に対応させるステップと、
前記特定のストロボ装置の照射方向角度を、前記調整するストロボ装置にとって所望な状態に変更するステップと、
前記第1の信号に基づいて変更された照射方向角度から、さらに変更される前記特定のストロボ装置の照射方向角度の変更量を、第2の信号として前記調整するストロボ装置に送信するステップと、
前記調整するストロボ装置の照射方向角度を、前記第2の信号に基づいて変更するステップと、
を備えるストロボ装置の照射方向角度調整方法。 - 自己のストロボ装置および他のストロボ装置から構成される複数のストロボ装置を用いて被写体を撮影する場合に用いられるストロボ装置であって、
それぞれの前記ストロボ装置は、ストロボ本体部と、照射方向角度を変更可能な発光部と、信号送受信部と、制御部を備え、
前記自己のストロボ装置の前記制御部は、
前記自己のストロボ装置の前記信号送受信部が受信した前記他のストロボ装置の現在の照射方向角度に関する第1の信号に基づいて前記他のストロボ装置の照射方向角度に対応させて前記自己のストロボ装置の照射方向角度を変更し、
変更した前記照射方向角度が前記他のストロボ装置に対して所望な状態に変更された場合、前記第1の信号に基づいて変更された照射方向角度から、さらに変更される照射方向角度の変更量を、第2の信号として前記信号送受信部から前記他のストロボ装置に送信する制御を行い、
前記他のストロボ装置の前記制御部は、
前記他のストロボ装置の照射方向角度を前記第2の信号に基づいて変更させる制御を行うストロボ装置。 - 自己のストロボ装置および他のストロボ装置から構成される複数のストロボ装置を用いて被写体を撮影する場合に用いられるストロボ装置であって、
それぞれの前記ストロボ装置は、ストロボ本体部と、照射方向角度を変更可能な発光部と、信号送受信部と、制御部を備え、
前記自己のストロボ装置の前記制御部は、
前記自己の現在の照射方向角度に関する第1の信号を前記信号送受信部から前記他のストロボ装置に送信する制御を行い、
前記他のストロボ装置の前記制御部は、
前記第1の信号に基づいて照射方向角度を変更した前記他のストロボ装置の照射方向角度がさらに変更される場合、前記第1の信号に基づいて変更された照射方向角度から、さらに変更される前記他の照射方向角度の変更量が第2の信号として送信する制御を行い、
前記自己のストロボ装置の前記制御部は、さらに前記信号送受信部で受信した前記第2の信号に基づいて前記自己のストロボ装置の照射方向角度を変更させる制御を行うストロボ装置。 - 自己のストロボ装置および他のストロボ装置から構成される複数のストロボ装置を用いて被写体を撮影する場合に用いられるストロボ装置であって、
それぞれの前記ストロボ装置は、ストロボ本体部と、照射方向角度を変更可能な発光部と、信号送受信部と、制御部と、選択部とを備え、
前記選択部は、前記他のストロボ装置の照射方向角度を変更する第1のモードと、前記第1のモードにある前記他のストロボ装置によって自己の前記ストロボ装置の照射方向角度が変更される第2のモードとを有し、
前記自己のストロボ装置の前記制御部は、
前記選択部が前記第1のモードに選択された場合、前記自己のストロボ装置の前記信号送受信部が受信した前記他のストロボ装置の現在の照射方向角度に関する第1の信号に基づいて前記他のストロボ装置の照射方向角度に対応させて前記自己のストロボ装置の照射方向角度を変更し、
変更した前記照射方向角度が前記他のストロボ装置に対して所望な状態に変更されると、前記第1の信号に基づいて変更された照射方向角度から、さらに変更される照射方向角度の変更量を、第2の信号として前記信号送受信部から前記他のストロボ装置に送信する制御を行い、
前記他のストロボ装置の前記制御部は、
前記他のストロボ装置の照射方向角度を前記第2の信号に基づいて変更させる制御を行う、
また、前記自己のストロボ装置の前記制御部は、
前記選択部が前記第2のモードに選択された場合、前記自己の現在の照射方向角度に関する第1の信号を前記信号送受信部から前記他のストロボ装置に送信する制御を行い、
前記他のストロボ装置の前記制御部は、
前記第1の信号に基づいて照射方向角度を変更した前記他のストロボ装置の照射方向角度がさらに変更される場合、前記第1の信号に基づいて変更された照射方向角度から、さらに変更される前記他の照射方向角度の変更量が第2の信号として送信する制御を行い、前記自己のストロボ装置の前記制御部は、さらに前記信号送受信部で受信した前記第2の信号に基づいて前記自己のストロボ装置の照射方向角度を変更させる制御を行うストロボ装置。 - 前記ストロボ本体部に対する前記発光部の角度を変更させる動作開始状態を検知する動作開始状態検知部を、さらに備え、
前記制御部は、前記動作開始状態検知部が検知した動作開始状態に従動するように前記発光部の角度を変更させる制御を行う請求項2または請求項4のいずれか1項に記載のストロボ装置。 - 前記請求項2から請求項5のいずれか1項に記載のストロボ装置を備えた撮像装置。
- 前記ストロボ装置の制御部が前記撮像装置に搭載され、
前記制御部は、前記撮像装置に搭載された前記ストロボ装置との間で通信により前記ストロボ装置を制御する請求項6に記載の撮像装置。
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US14/394,520 US20150036042A1 (en) | 2012-04-17 | 2013-04-10 | Method for adjusting illumination direction angle of strobe device, strobe device, and imaging device equipped with strobe device |
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JP6288992B2 (ja) * | 2013-08-30 | 2018-03-07 | キヤノン株式会社 | 照明装置及び撮像装置 |
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JP6719947B2 (ja) * | 2016-04-04 | 2020-07-08 | キヤノン株式会社 | 撮像システム、発光装置、発光制御方法、及びプログラム |
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JP6815826B2 (ja) | 2016-10-25 | 2021-01-20 | キヤノン株式会社 | 撮像装置、撮像システム及び自動照射方向制御方法 |
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