JP2013025195A - Optical device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve operability and suppress power consumption.SOLUTION: A ring RG1 rotates striding over an angle range AR1 and an angle range AR2 lined up in a direction in which an angle is increased. When the rotation angle of the ring RG1 increases to an angle θon that belongs to the angle range AR1, a main power supply is activated by a sub CPU. When the rotation angle of the ring RG1 is changed in the angle range AR2, the position of a zoom lens 12 is changed accompanied thereby. A main CPU refers to the position of the zoom lens 12 that has been changed in such a manner and adjusts the arrangement of a focus lens 16. When a period during which the rotation angle of the ring RG1 remains within the angle range AR1, with the main power supply actuated, exceeds a threshold THon or THoff, the main CPU displays an activating-operation guide screen or an ending-operation guide screen on an LCD monitor.

Description

  The present invention relates to an optical device, and more particularly to an optical device that is applied to a digital camera and adjusts the setting of an optical system with reference to rotation of a rotating member.

  An example of this type of device is disclosed in Patent Document 1. According to this background art, when a zoom switch for instructing zooming is pressed, the main microcomputer instructs the camera AF microcomputer to zoom in the wide direction. The camera AF microcomputer drives a zoom lens provided in the video lens unit in the wide direction. The zoom position is detected by the zoom position detection block, and the detection result is transmitted to the main microcomputer via the camera AF microcomputer. When the zoom position reaches the wide end, the main microcomputer drives the display signal generation block to display characters indicating “wide end” on the electronic viewfinder.

JP-A-8-331433

  However, in the background art, since the zoom switch is independent of the power switch, the operability is limited.

  Therefore, a main object of the present invention is to provide an optical device capable of improving operability and suppressing power consumption.

  An optical device according to the present invention (10: reference numeral corresponding to the embodiment; the same applies hereinafter) is a rotating member that rotates across a first angle range (AR1) and a second angle range (AR2) arranged in a direction in which the angle increases. (RG1), starting means (S1 to S3) for starting the power supply when the rotation angle of the rotation member increases to the first specific angle (θon) belonging to the first angle range, and rotation of the rotation member in the second angle range The adjusting means (20, S41, S45) for adjusting the setting of the optical system (12, 16) with reference, and a notification is generated when the rotation angle of the rotating member remains in the first angle range with the power supply activated Informing means (S11, S17 to S27, S43, S47, S53 to S65) are provided.

  Preferably, the notifying means measures the period during which the rotation angle of the rotating member stays in the first angle range without reaching the second angle range in response to the processing of the starting means (S11, S17 to S21). And first notification generating means (S25) for generating a first notification with reference to the period measured by the first measuring means.

  Preferably, there is further provided stop means (S7 to S9, S33 to S35, S57, S73) for stopping the power supply when the rotation angle of the rotating member decreases to the second specific angle (θoff) belonging to the first angle range. .

  In one aspect, the notifying means detects the shift of the rotation angle of the rotation member from the second angle range to the first angle range (S43), and the rotation angle of the rotation member does not reach the second specific angle. Second measurement means (S55 to S59) for measuring the period of staying in the first angle range in response to detection by the detection means, and second for generating the second notification with reference to the period measured by the second measurement means Notification generating means (S63) is included.

  In another aspect, the second specific angle corresponds to an angle smaller than the first specific angle.

  Preferably, processing means (24) for processing electronic data based on the output of the optical system and initialization means (S5) for initializing the setting of the processing means in relation to the processing of the activation means are further provided.

  Preferably, imaging means (18) for outputting an electronic image representing a scene captured on the imaging surface is further provided, the optical system includes a zoom lens (12) disposed in front of the imaging surface, and the adjustment means is rotated. A zoom adjustment mechanism (20) for adjusting the position of the zoom lens in accordance with the rotation of the member is included.

  The motion control program according to the present invention includes a rotating member (RG1) that rotates across the first angle range (AR1) and the second angle range (AR2) arranged in the direction in which the angle increases, and the rotating member in the second angle range. The rotation angle of the rotating member belongs to the first angle range in the processor (36, 38) of the optical device (10) provided with the adjusting means (20) for adjusting the setting of the optical system (12, 16) with reference to the rotation. A starting step (S1 to S3) for starting the power supply when it increases to the first specific angle (θon), and a notification for generating a notification when the rotation angle of the rotating member remains in the first angle range with the power supply started. This is an operation control program for executing the steps (S11, S17 to S27, S43, S47, S53 to S65).

  The motion control method according to the present invention includes a rotating member (RG1) that rotates across the first angle range (AR1) and the second angle range (AR2) arranged in the direction in which the angle increases, and the rotating member in the second angle range. An operation control method executed by an optical device (10) comprising an adjusting means (20) for adjusting the setting of the optical system (12, 16) with reference to rotation, wherein the rotation angle of the rotating member is a first angle range. Start step (S1 to S3) for starting the power supply when it has increased to the first specific angle (θon) belonging to, and a notification when the rotation angle of the rotating member remains in the first angle range with the power supply started Notification steps (S11, S17 to S27, S43, S47, S53 to S65).

  According to this invention, the power source is activated when the rotation angle of the rotation member increases to the first specific angle belonging to the first angle range, and the setting of the optical system is the rotation member in the second angle range aligned with the first angle range. Is adjusted with reference to the rotation. Thereby, the setting of the power source and the optical system can be controlled by a single member, and the operability is improved. In addition, a notification is generated when the rotation angle of the rotating member remains in the first angle range despite the power source being activated. The operator can recognize by notification that the current state is the activated state, thereby reducing power consumption.

  The above object, other objects, features and advantages of the present invention will become more apparent from the following detailed description of embodiments with reference to the drawings.

It is a block diagram which shows the basic composition of one Example of this invention. It is a block diagram which shows the structure of one Example of this invention. It is an illustration figure which shows a part of ring rotation operation | movement applied to the FIG. 2 Example. FIG. 10 is an illustrative view showing another portion of the rotation operation of the ring to which the embodiment in FIG. 2 is applied; It is an illustration figure which shows an example of a structure of the power supply & zoom control mechanism applied to the FIG. 2 Example. (A) is an illustrative view showing an example of a start screen, and (B) is an illustrative view showing an example of an end screen. (A) is an illustration figure which shows an example of starting operation guidance screen, (B) is an illustration figure which shows an example of completion | finish operation guidance screen. It is a graph which shows an example of a tracking curve. FIG. 7 is a flowchart showing one portion of behavior of a sub CPU applied to the embodiment in FIG. 2; FIG. 7 is a flowchart showing one portion of behavior of a main CPU applied to the embodiment in FIG. 2; FIG. 10 is a flowchart showing another portion of the behavior of the main CPU applied to the embodiment in FIG. 2. FIG. 10 is a flowchart showing still another portion of the behavior of the main CPU applied to the embodiment in FIG. 2; FIG. 13 is a flowchart showing yet another portion of the behavior of the main CPU applied to the embodiment in FIG. 2.

Embodiments of the present invention will be described below with reference to the drawings.
[Basic configuration]

  Referring to FIG. 1, the optical apparatus of this embodiment is basically configured as follows. The rotating member 1 rotates across the first angle range and the second angle range arranged in the direction in which the angle increases. The activation means 2 activates the power supply 5 when the rotation angle of the rotation member 1 increases to a first specific angle belonging to the first angle range. The adjusting means 3 adjusts the setting of the optical system 6 with reference to the rotation of the rotating member 1 in the second angle range. The notification unit 4 generates a notification when the rotation angle of the rotating member 1 remains in the first angle range with the power source 5 activated.

The power source 5 is activated when the rotation angle of the rotation member 1 increases to a first specific angle belonging to the first angle range, and the setting of the optical system 6 is the rotation of the rotation member 1 in the second angle range aligned with the first angle range. Adjusted with reference to. Thereby, the settings of the power source 5 and the optical system 6 can be controlled by a single member, and the operability is improved. In addition, a notification is generated when the rotation angle of the rotating member 1 remains in the first angle range despite the power supply 5 being activated. The operator can recognize by notification that the current state is the activated state, thereby reducing power consumption.
[Example]

  Referring to FIG. 2, the digital camera 10 of this embodiment includes a power supply circuit 42. The power supply circuit 42 generates a plurality of DC power supplies respectively indicating a plurality of different voltage values. A part of the generated DC power supplies is directly supplied to the sub CPU 38, and another part of the generated DC power supplies is supplied to circuits other than the sub CPU 38 via the switch group 44. Accordingly, the sub CPU 38 is always activated, while circuits other than the sub CPU 38 are activated / stopped in response to the on / off of the switch group 44.

  A state in which circuits other than the sub CPU 38 are activated is defined as a “main power supply on state”, and a state in which circuits other than the sub CPU 38 are stopped is defined as a “main power supply off state”.

  The digital camera 10 also includes a zoom lens 12 driven by a power supply & zoom control mechanism 20, and an aperture unit 14 and a focus lens 16 driven by drivers 22a and 22b, respectively. The optical image that has passed through these members is irradiated onto the imaging surface of the imager 18 and subjected to photoelectric conversion.

  3 to 5, the power source & zoom control mechanism 20 is provided on the front surface of the camera housing CB1 so as to surround the zoom lens 12, and in a direction around an optical axis AX extending in a direction orthogonal to the imaging surface. A rotatable ring RG1 is provided. The ring RG1 is rotatable in a range of θoff to θtele, and this rotatable range is divided into angular ranges AR1 and AR2 arranged in a direction in which the angle increases.

  The lower limit angle and the upper limit angle of the angle range AR1 correspond to “θoff” and “θwide”, respectively, and the lower limit angle and the upper limit angle of the angle range AR2 correspond to “θwide” and “θtele”, respectively. Further, “θon” is assigned near the center of the angle range AR1.

  In the angle range AR1, when the rotation angle of the ring RG1 increases from “θoff” to “θon”, the sub CPU 38 turns on the switch group 44 to shift to the main power-on state, and further initializes the setting of the ASIC 52.

  The activated main CPU 36 first gives a command to the character generator 34 under the power control task to display the start screen shown in FIG. 6A on the LCD monitor 32 for a predetermined time (= 10 seconds). The character generator 34 outputs character data according to the command, and the LCD driver 30 drives the LCD monitor 32 based on the output character data. As a result, the start screen is displayed on the LCD monitor 32 for a predetermined time.

  When the period during which the rotation angle of the ring RG1 remains within the range of “θon” to “θwide” reaches the threshold value THon (= 10 seconds), the main CPU 36 displays the start operation guidance screen (ring RG1 “ The character generator 34 is instructed to display a notification screen that prompts an operation to rotate to θwide ”. The character generator 34 outputs character data according to the command, and the LCD driver 30 drives the LCD monitor 32 based on the output character data. As a result, a startup operation guidance screen is displayed on the LCD monitor 32.

  When the rotation angle of the ring RG1 decreases to “θoff” without reaching “θwide”, the main CPU issues a power-off command to the sub CPU. The sub CPU 38 turns off the switch group 44 to shift to the main power off state.

  When the rotation angle of the ring RG1 reaches “θwide”, the main CPU 36 controls the driver 22b under the power supply control task to place the focus lens 16 at the initial position. When the arrangement is completed, the imaging task is activated by the power control task.

  If the activation operation guidance screen is displayed on the LCD monitor 32, the main CPU 36 instructs the character generator 34 to hide the activation operation guidance screen before initializing the arrangement of the focus lens 16. The character generator 34 stops outputting the character data, and the activation operation guidance screen disappears.

  Under the imaging task activated by the power control task, the main CPU 36 instructs the driver 22c to repeat the exposure operation and the charge readout operation in order to execute the moving image capturing process. The driver 22c exposes the imaging surface of the imager 18 in response to a periodically generated vertical synchronization signal Vsync, and reads out the charges generated on the imaging surface in a raster scanning manner. From the imager 18, raw image data based on the read charges is periodically output.

  The signal processing circuit 24 performs processing such as white balance adjustment, color separation, and YUV conversion on the raw image data output from the imager 18. The YUV format image data generated thereby is written into the YUV image area 28 a of the SDRAM 28 through the memory control circuit 26. The LCD driver 30 repeatedly reads out the image data stored in the YUV image area 28a through the memory control circuit 26, and drives the LCD monitor 32 based on the read image data. As a result, a real-time moving image (through image) representing the scene captured on the imaging surface is displayed on the monitor screen.

  The signal processing circuit 24 also supplies Y data for forming image data to the main CPU 36. The main CPU 36 performs AE processing on the given Y data to calculate an appropriate EV value, and sets the aperture amount and the exposure time that define the calculated appropriate EV value in the drivers 22a and 22c, respectively. As a result, the brightness of the through image is appropriately adjusted.

  The main CPU 36 also executes simple AF processing based on the high-frequency component of Y data given from the signal processing circuit 24 when a predetermined AF activation condition is satisfied. As a result, the focus lens 16 is disposed at the focal point, and the sharpness of the through image is improved.

  Referring to FIG. 5 again, power supply & zoom control mechanism 20 further includes a conversion mechanism CV1 that converts the rotational movement of ring RG1 in angular range AR2 into a linear movement along optical axis AX. The sliding mechanism SL1 slides the zoom lens 12 in the direction along the optical axis AX using the linear motion converted by the conversion mechanism CV1. The zoom lens 12 is disposed at the wide end when the rotation angle indicates “θwide”, moves to the tele side as the rotation angle in the angle range AR2 increases, and telescopic when the rotation angle indicates “θtele”. Placed at the end. The zoom magnification of the through image changes as the zoom lens 12 moves as described above.

  The flash memory 50 stores graph data corresponding to the tracking curves C0 to C13 shown in FIG. Referring to FIG. 8, when the depth of field is “infinite”, the in-focus position changes along the tracking curve C 0 with respect to the position of the zoom lens 12. When the depth of field is “20 m”, the in-focus position changes along the tracking curve C <b> 1 with respect to the position of the zoom lens 12. Further, when the depth of field is “10 m”, the in-focus position changes along the tracking curve C <b> 2 with respect to the position of the zoom lens 12.

  Similarly, the depth of field is “5 m”, “3 m”, “1 m”, “0.9 m”, “0.8 m”, “0.7 m”, “0.6 m”, “0.5 m”, When “0.4 m”, “0.3 m”, and “nearest”, the in-focus position is the tracking curve C3, C4, C5, C6, C7, C8, C9, C10, C11 with respect to the position of the zoom lens 12. , C12, and C13.

  At the beginning of the imaging task, the tracking curve C0 is set as the reference tracking curve. However, every time the simple AF process is completed, coordinates corresponding to the current positions of the zoom lens 12 and the focus lens 16 are detected from the graph shown in FIG. The reference tracking curve is updated to a tracking curve created on the basis of the tracking curve existing on the detected coordinates or two tracking curves sandwiching the detected coordinates.

  When the position of the zoom lens 12 is changed by the rotation of the ring RG1, the main CPU 36 executes a focus tracking process with reference to the changed position of the zoom lens 12 under the power control task. The focus lens 16 moves in the optical axis direction along the reference tracking curve set under the imaging task.

  When the shutter button 40sh provided in the key input device 40 is half-pressed, the CPU 36 executes strict AE processing based on Y data given from the signal processing circuit 24 under the imaging task, and calculates the optimum EV value. To do. The aperture amount and the exposure time that define the calculated optimum EV value are set in the drivers 22a and 22c, respectively, as described above. As a result, the brightness of the through image is adjusted strictly.

  The main CPU 36 also executes a strict AF process based on the high-frequency component of the Y data given from the signal processing circuit 24 under the imaging task. As a result, the focus lens 16 is disposed at the focal point, and the sharpness of the through image is improved. When the shutter button 42sh is fully pressed, the main CPU 36 executes the still image capturing process and commands the memory I / F 46 to execute the recording process.

  The captured image data representing the scene at the time when the shutter button 42sh is fully pressed is saved from the YUV image area 28a to the still image area 28b by the still image capturing process. The memory I / F 46 instructed to execute the recording process reads the captured image data saved in the still image area 28 b through the memory control circuit 26, and stores an image file containing the read captured image data in the recording medium 48. Record.

  When the rotation angle of the ring RG1 falls below “θwide”, the main CPU 36 instructs the character generator 34 under the power control task to display the end screen shown in FIG. 6B for a predetermined time (= 10 seconds). Further, the driver 22b is controlled to place the focus lens 16 at the retracted position. The character generator 34 outputs character data according to the command, and the LCD driver 30 drives the LCD monitor 32 based on the output character data. As a result, an end screen is displayed on the LCD monitor 32 for a predetermined time.

  When the period during which the rotation angle of the ring RG1 remains in the range of “θwide” to “θoff” reaches the threshold value THoff (= 10 seconds), the main CPU 36 displays the end operation guide screen (= ring RG1 shown in FIG. 7B). The character generator 34 is instructed to display a notification screen prompting an operation to rotate to “θoff” under the power control task. The character generator 34 outputs character data according to the command, and the LCD driver 30 drives the LCD monitor 32 based on the output character data. As a result, an end operation guidance screen is displayed on the LCD monitor 32.

  When the rotation angle of the ring RG1 reaches “θoff”, the main CPU 36 executes a predetermined end process and issues a power-off command to the sub CPU 38. The sub CPU 38 turns off the switch group 44 to shift to the main power off state.

  If the end operation guide screen is displayed on the LCD monitor 32, the main CPU 36 instructs the character generator 34 to hide the end operation guide screen before executing the end process. The character generator 34 stops outputting the character data, and the end operation guidance screen disappears.

  The sub CPU 38 executes the flowchart shown in FIG. A control program corresponding to this flowchart is stored in the memory 38m.

  In step S1, it is repeatedly determined whether or not the current rotation angle of the ring RG1 is equal to or greater than “θon”. When the determination result is updated from NO to YES, the main power supply is turned on (switch group 44 is turned on) in step S3, and the setting of the ASIC 52 is initialized in step S5. In step S7, it is repeatedly determined whether or not a power-off command has been issued from the main CPU. When the determination result is updated from NO to YES, in step S9, the main power supply is turned off (switch group 44 is turned off), and then the process returns to step S1.

  The main CPU 36 executes in parallel a plurality of tasks including the power control task shown in FIGS. 10 to 13 and the imaging task shown in FIG. Note that control programs corresponding to these tasks are stored in the flash memory 50.

  Referring to FIG. 10, in step S11, the current time is set to variable TIM1, and in step S13, a command is given to character generator 34 to display the start screen for a predetermined time (= 10 seconds). The character generator 34 outputs character data according to the command, and the LCD driver 30 drives the LCD monitor 32 based on the output character data. As a result, the start screen is displayed on the LCD monitor 32 for a predetermined time.

  In step S15, the flag FLGntc1 is set to “0”. Here, the flag FLGntc1 is a flag for identifying display / non-display of the startup operation guidance screen, and “0” indicates non-display while “1” indicates display. In step S17, the current time is set in the variable TIM2. In step S19, it is determined whether or not a logical sum condition that the current rotation angle of the ring RG1 is equal to or larger than “θwide” or that the current rotation angle of the ring RG1 corresponds to “θoff” is satisfied. If the determination result is NO, the process proceeds to step S21, and if the determination result is YES, the process proceeds to step S29.

  In step S21, it is determined whether or not the numerical value obtained by subtracting the variable TIM1 from the variable TIM2 exceeds the threshold value THon. In step S23, it is determined whether or not the flag FLGntc1 indicates “0”. If at least one of the determination result of step S21 and the determination result of step S23 is NO, the process directly returns to step S17, and if both of the determination result of step S21 and the determination result of step S23 are YES, the process of steps S25 to S27 is performed. The process returns to step S17.

  In step S25, the character generator 34 is instructed to display the activation operation guidance screen. In step S27, the flag FLGntc1 is updated to “1”. As a result of the processing in step S25, the character generator 34 outputs character data according to the command, and the LCD driver 30 drives the LCD monitor 32 based on the output character data. As a result, a startup operation screen is displayed on the LCD monitor 32.

  In step S29, it is determined whether or not the flag FLGntc1 indicates "1". If the determination result is NO, the process proceeds to step S33 as it is. If the determination result is YES, the activation guide screen is not displayed in step S31. After instructing the generator 34, the process proceeds to step S33. As a result of the processing in step S31, the character generator 34 stops outputting the character data, and thereby the start operation guidance screen disappears.

  In step S33, it is determined whether or not the current rotation angle of the ring RG1 corresponds to “θoff”. If the determination result is YES, in step S35, a power off command is issued to the sub CPU 38, and then the process is terminated. If the determination result is NO, the process proceeds to step S37 to control the driver 22b and initialize the arrangement of the focus lens 16. When the initialization is completed, an imaging task is activated in step S39.

  In step S41, it is repeatedly determined whether or not the rotation angle of the ring RG1 has been changed. When the determination result is updated from NO to YES, it is determined in step S43 whether or not the current rotation angle of the ring RG1 is less than “θwide”. If the determination result is NO, the process proceeds to step S45, and the driver 22b is controlled to execute focus tracking. The position of the focus lens 16 is adjusted along the reference tracking curve set under the imaging task. When focus tracking is completed, the process returns to step S41.

  If the decision result in the step S43 is YES, the current time is set to the variable TIM1 in a step S47, and a command is given to the character generator 34 so that the end screen is displayed for a predetermined time (= 10 seconds) in a step S49. As a result of the processing in step S49, the character generator 34 outputs character data according to the command, and the LCD driver 30 drives the LCD monitor 32 based on the output character data. As a result, the end screen is displayed on the LCD monitor 32 for a predetermined time.

  In step S51, the driver 22b is controlled to place the focus lens 16 at the retracted position. In step S53, the flag FLGntc2 is set to “0”. Here, the flag FLGntc2 is a flag for identifying display / non-display of the end operation guide screen, and “0” indicates non-display while “1” indicates display.

  In step S55, the current time is set in the variable TIM2. In step S57, it is determined whether or not the current rotation angle of the ring RG1 corresponds to “θoff”. If the determination result is YES, the process proceeds to step S67, and if the determination result is NO, the process proceeds to step S59.

  In step S59, it is determined whether or not the numerical value obtained by subtracting the variable TIM1 from the variable TIM2 exceeds the threshold value THoff. In step S61, it is determined whether or not the flag FLGntc2 indicates “0”. If at least one of the determination result of step S59 and the determination result of step S61 is NO, the process returns to step S55 as it is. If both the determination result of step S59 and the determination result of step S61 are YES, steps S63 to S65 are performed. The process returns to step S55.

  In step S63, the character generator 34 is instructed to display an end operation guidance screen. In step S65, the flag FLGntc2 is updated to “1”. As a result of the processing in step S63, the character generator 34 outputs character data according to the command, and the LCD driver 30 drives the LCD monitor 32 based on the output character data. As a result, an end operation guidance screen is displayed on the LCD monitor 32.

  In step S67, it is determined whether or not the flag FLGntc2 indicates "1". If the determination result is NO, the process proceeds directly to step S71. If the determination result is YES, the end operation guidance screen is not displayed in step S69. After instructing the character generator 34, the process proceeds to step S71. As a result of the processing in step S69, the character generator 34 stops outputting the character data, and thereby the end operation guidance screen disappears.

  In step S71, a predetermined end process is executed, and in step S73, a power-off command is issued to the sub CPU 38. The power control task is terminated after the process of step S73.

  Referring to FIG. 15, in step S81, a moving image capturing process is executed. As a result, a through image is displayed on the LCD monitor 32. In step S83, it is determined whether or not the shutter button 40sh is half-pressed. If the determination result is YES, the process proceeds to step S95, and if the determination result is NO, the process proceeds to step S87.

  In step S87, the simple AE process is executed, and as a result, the brightness of the through image is appropriately adjusted. In step S89, it is determined whether or not a predetermined AF activation condition is satisfied. If the determination result is NO, the process returns to step S85 as it is. If the determination result is YES, the process proceeds to steps S85 to S93. Return.

  In step S91, simple AF processing is executed, thereby improving the sharpness of the through image. In step S93, coordinates corresponding to the current positions of the zoom lens 12 and the focus lens 16 are detected from the graph shown in FIG. 8, and the tracking curve existing on the detected coordinates or the detected coordinates 2 is sandwiched between them. Update to a tracking curve created based on two tracking curves.

  If the decision result in the step S85 is YES, a strict AE process is executed in a step S95, and a strict AF process is executed in a step S97. As a result, the brightness and sharpness of the through image are strictly adjusted. When the strict AF process is completed, it is determined in step S99 whether or not the shutter button 40sh has been fully pressed, and whether or not the operation of the shutter button 40sh has been released is determined in step S101.

  If the determination result of step S101 is YES, it will return to step S85, and if the determination result of step S99 is YES, a still image taking process will be performed in step S103. As a result of the processing in step S103, the image data representing the scene at the time when the shutter button 40sh is fully pressed is saved from the YUV image area 28a to the still image area 28b.

  In step S105, the memory I / F 46 is commanded to execute the recording process. The memory I / F 46 reads the image data saved in the still image area 28 b through the memory control circuit 26 and records an image file containing the read image data on the recording medium 48. When the recording process is completed, the process returns to step S85.

  As can be seen from the above description, the ring RG1 rotates across the angle ranges AR1 and AR2 aligned in the direction in which the angle increases. When the rotation angle of the ring RG1 increases to an angle θon belonging to the angle range AR1, the main power supply is activated by the sub CPU 38 (S1 to S3). When the rotation angle of the ring RG1 is changed in the angle range AR2, the position of the zoom lens 12 is changed by the conversion mechanism CV1 and the sliding mechanism SL1. The main CPU 36 refers to the changed position of the zoom lens 12 and adjusts the arrangement of the focus lens 16 (S41, S45). The main CPU 36 also displays the start operation guide screen or the end operation guide screen on the LCD monitor 30 when the period during which the rotation angle of the ring RG1 remains in the angle range AR1 exceeds the threshold value THon or THoff with the main power source started. (S11, S17 to S27, S43, S47, S53 to S65).

  Thus, the main power supply is activated when the rotation angle of the ring RG1 increases to the angle θon belonging to the angle range AR1, and the settings of the zoom lens 12 and the focus lens 16 are set in the ring RG1 in the angle range AR2 aligned with the angle range AR1. Is adjusted with reference to the rotation. Thereby, the setting of the main power source and the optical system can be controlled by a single member, and the operability is improved. Further, when the rotation angle of the ring RG1 remains within the angle range AR1 even though the main power supply is activated, a notification is generated through the LCD monitor 30. The operator can recognize by notification that the current state is the activated state, thereby reducing power consumption.

  In this embodiment, a digital camera is assumed, but the present invention can also be applied to an optical apparatus such as a microscope, binoculars, and a telescope.

  In this embodiment, when the rotation of the ring RG1 is urged, the start operation guide screen and / or the end operation guide screen is output as a notification. However, instead of these guidance screens or together with these guidance screens, vibrations and voices may be output as notifications.

DESCRIPTION OF SYMBOLS 10 ... Digital camera 12 ... Zoom lens 16 ... Focus lens 20 ... Power supply & zoom control mechanism 34 ... Character generator 36 ... Main CPU
38 ... Sub CPU

Claims (9)

A rotating member that rotates across a first angle range and a second angle range arranged in a direction in which the angle increases;
Starting means for starting a power supply when the rotation angle of the rotating member increases to a first specific angle belonging to the first angle range;
Adjustment means for adjusting the setting of the optical system with reference to rotation of the rotating member in the second angle range, and notification when the rotation angle of the rotating member remains in the first angle range with the power source activated An optical device comprising a notification means for generating   The informing means measures a period during which the rotation angle of the rotating member remains in the first angle range without reaching the second angle range in response to processing of the activation means, and the first The optical apparatus according to claim 1, further comprising first notification generation means for generating a first notification with reference to a period measured by the measurement means.   3. The optical apparatus according to claim 1, further comprising a stopping unit that stops the power supply when a rotation angle of the rotation member decreases to a second specific angle belonging to the first angle range.   The notifying means detects the shift of the rotation angle of the rotation member from the second angle range to the first angle range, and the rotation angle of the rotation member does not reach the second specific angle. Second measuring means for measuring a period remaining in one angle range in response to detection by the detecting means, and second notification generating means for generating a second notification with reference to the period measured by the second measuring means. The optical device according to claim 3, comprising:   The optical device according to claim 3 or 4, wherein the second specific angle corresponds to an angle smaller than the first specific angle. 6. The processing unit according to claim 1, further comprising: processing means for processing electronic data based on an output of the optical system; and initialization means for initializing settings of the processing means in relation to processing of the activation means. The optical device described. It further comprises an imaging means for outputting an electronic image representing a scene captured on the imaging surface,
The optical system includes a zoom lens disposed in front of the imaging surface,
The optical apparatus according to claim 1, wherein the adjustment unit includes a zoom adjustment mechanism that adjusts a position of the zoom lens according to rotation of the rotation member. A rotating member that rotates across a first angle range and a second angle range arranged in a direction in which the angle increases, and an adjustment unit that adjusts the setting of the optical system with reference to the rotation of the rotating member in the second angle range. In the processor of the optical device provided,
An activation step of activating a power supply when the rotation angle of the rotation member increases to a first specific angle belonging to the first angle range; and the rotation angle of the rotation member with the power supply activated is the first angle. An operation control program for executing a notification step for generating a notification when staying in a range. A rotating member that rotates across a first angle range and a second angle range arranged in a direction in which the angle increases, and an adjustment unit that adjusts the setting of the optical system with reference to the rotation of the rotating member in the second angle range. An operation control method executed by an optical device comprising:
An activation step of activating a power supply when the rotation angle of the rotation member increases to a first specific angle belonging to the first angle range; and the rotation angle of the rotation member with the power supply activated is the first angle. An operation control method comprising a notification step of generating a notification when staying in a range.

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