Embodiment
Below, according to accompanying drawing, use has been used camera of the present invention preferred implementation has been described.The camera of preferred implementation of the present invention is a kind of digital camera, has image pickup part, and convert shot object image to view data by this image pickup part, and according to the view data after this conversion, the shot object image live view is shown on the back side LCD39 or electronic viewfinder 41 at the back side that is configured in main body.The cameraman shows by observing live view, thereby determines composition and shutter opportunity.When pressing release-push entirely, photograph, the predetermined time period after just photographing, LCD39 or electronic viewfinder 41 enterprising line items are browsed (rec-view) demonstration overleaf for photographs confirms with.When having selected reproduction mode, the view data reproduction that is recorded in recording medium can be shown on back side LCD39 or the electronic viewfinder 41.
Fig. 1 is the stereoscopic figure that watches from rear side of the camera of an embodiment of the invention.Take in the built-in flash 50 that is useful on to subject irradiation fill-in light on the top of camera body 200.When making built-in flash be the ejection state, become the use state, its illuminating part becomes the position towards subject.
On camera body 200, dispose control panel 40.This control panel 40 is display unit such as liquid crystal, photographic informations such as the f-number when showing photography and shutter speed value.In addition, also can omit control panel 40, photographic information is shown on the LCD39 of the back side.
Dispose back dial 23 in the upper right side at the back side of camera body 200.Back dial 23 rotates freely along clockwise direction and counterclockwise, detects and export its direction of rotation and rotation amount.In addition, before the frontal left handle portion of camera body 200 disposes dial 22(with reference to Fig. 2).Identical with back dial 23, rotate freely along clockwise direction and counterclockwise, detect and export its direction of rotation and rotation amount.In addition, dispose release-push on the top of the handle portion of the frontal left of camera body 200.This release-push has the 1st release-push of connecting and the 2nd release-push of connecting when pressing entirely when the cameraman partly presses.
Downside at back dial 23 disposes live view the Show Button (below, be called LV the Show Button) 31.Live view shows the view data that refers to that basis is obtained by imaging apparatus, shows shot object image for shot object image observes with in display unit such as LCD monitor.Can be by this LV the Show Button 31 be operated, thereby, set the live view display mode, and when operating again, carry out the releasing of live view display mode.
Downside at LV the Show Button 31 disposes cross button 32.This cross button 32 is made of upside cross button, downside cross button, right side cross button, four buttons of left side cross button, shows on the LCD monitor 39 overleaf under the situation of cursor, is used for the movement of this cursor etc.Approximate center at four cross buttons 32 disposes OK button 33.This OK button 33 is the functional units determined be used to the project of carrying out being selected by cross button 32.
Downside at cross button 32 disposes mains switch 34.This mains switch 34 is functional units of controlling for the execution that the camera to this camera moves.That is, the camera of present embodiment is carried out exercises at mains switch 34 under the situation of on-state, does not carry out the camera action under for situation about disconnecting.
Top in the substantial middle at the back side of camera body 200 is provided with eyepiece portion 38, wherein disposes eyepiece camera lens 352.Camera body 200 is so-called single-lens reflex camera (being also referred to as no anti-phase machine), in internal configurations the finder optical system of electronic viewfinder 41 is arranged, and will via this finder optical system be shown in electronic viewfinder with LCD monitor (being called EVF LCD) 351(with reference to Fig. 2) on image penetrate from this eyepiece camera lens 352.The cameraman can observe shot object image etc. via eyepiece camera lens 352.EVF with LCD251, eyepiece camera lens 352 and LCD drive circuit 354(described later with reference to Fig. 2) play a role as the 1st display part.
Near the eyepiece camera lens 352 of eyepiece portion 38, dispose eye sensors 352.This eye sensors 352 by a pair of luminous/photo detector etc. constitutes, when having object to exist near the eyepiece portion 38, output detection signal.Eye sensors 352 plays a role as the test section whether the detection observer is observing the demonstration in the electronic viewfinder 41 that plays a role as the 1st display part, detects the cameraman and whether is watching eyepiece portion 38.
Dispose the back side LCD monitor that plays a role as the 2nd display part (below, be called back side LCD) 39 at the downside of eyepiece portion 38.Back side LCD39 shows be used to carrying out live view, and the shot object image that has recorded is reproduced demonstration, the display unit of demonstration photographic information and menu.Getting final product so long as can carry out the parts of these demonstrations, be not limited to liquid crystal, for example, also can be organic EL etc.In addition, in the present embodiment, though be disposed at the back side of camera body 200,, so long as the position that the observer can not observe by eyepiece portion 38 gets final product, be not limited to the back side.
The left side of the downside of LCD39 and mains switch 34 disposes menu button 35 overleaf.This menu button 35 is be used to the functional unit that is set at menu mode or removes.Menu mode is to carry out the various patterns of this camera and the pattern of other setting, when being set at menu mode, carrying out menu overleaf on the LCD39 and shows.The cameraman, and determines by OK button 33 from the pattern selecting among this menu shows to like etc. by cross button 32.
Dispose reproduction button 36 in the left side of menu button 35.This reproduction button 36 is functional units of indication reproduction mode, and this reproduction mode is to read the view data that is recorded in the recording medium etc., and shot object image is reproduced the pattern that is shown on the LCD39 of the back side according to this view data.
Next, use block diagram shown in Figure 2 that the electric circuit of the camera of present embodiment is described.This camera constitutes with camera body 200 by changing camera lens 100.In the present embodiment, changing camera lens 100 is splits with camera body 200, is electrically connected by communication contact 341, still, changes camera lens 100 and also can constitute integratedly with camera body 200.
There are focal adjustments and focal length to regulate the photographic optical system 101 of usefulness and the aperture 103 that is used for regulating the opening amount in the internal configurations of changing camera lens 100.Photographic optical system 101 is driven by optical system driving mechanism 107, and aperture 103 is driven by aperture driving mechanism 109.Detecting the photo-optics that is driven by optical system driving mechanism 107 by focal position testing agency 105 is 101 focal position (focus position), in addition, and by the focal length of zoom position testing agency 106 detection optical system 101.
Optical system driving mechanism 107, aperture driving mechanism 109, focal position testing agency 105 and zoom position testing agency 106 are connected with camera lens CPU111 respectively, and this camera lens CPU111 is connected with camera body 200 via communication contact 341.
In addition, camera lens ROM113 is connected with camera lens CPU111 with camera lens RAM115.Camera lens ROM113 is the nonvolatile memory of can electricity rewriting, and stores be used to the program that camera lens CPU111 is carried out and the intrinsic information etc. of changing camera lens 100.Camera lens RAM115 is the volatile memory of can electricity rewriting, and is the temporary storage area of using when the execution of said procedure.
Camera lens CPU111 is used for changing the control in the camera lens 100, focuses and zoom drive thereby control optical system driving mechanism 107, thereby and controls aperture driving mechanism 109 and carry out f-number control.In addition, camera lens CPU111 will send to camera body 200 by focal position testing agency 105 and zoom position testing agency 106 detected focal lengths and focal position information.
In camera body 200 and on the optical axis of phtographic lens 101, dispose the shutter 213 of the focal plane type of time for exposure control usefulness, this shutter 213 drives control by fast door drive mechanism 237.Luminous enabling signal circuit 212 is connected with shutter 213.This luminous enabling signal circuit 212 outputs to input circuit 271 described later with the luminous enabling signal of photoflash lamp illuminating at the preceding curtain mobile end of focal plane shutter constantly.
Dispose imaging apparatus 221 at the rear of shutter 213, will become the signal of telecommunication by the shot object image opto-electronic conversion of photographic optical system 101 imagings.In addition, complementary metal oxide semiconductors (CMOS)) etc. charge coupled cell) or CMOS(Complementary Metal Oxide Semiconductor much less, can use CCD(Charge Coupled Device:: the two-dimensional solid imaging apparatus is as imaging apparatus 221.
Imaging apparatus 221 is connected with imaging apparatus drive circuit 223, carries out reading of picture signal etc. by this imaging apparatus drive circuit 223 from imaging apparatus 221.Imaging apparatus drive circuit 223 is connected with preliminary treatment circuit 225, and the pixel separation that pre-process circuit 225 carries out showing for live view rejects and handle, be used for amplifying the preliminary treatment that image such as processing is handled usefulness that cuts out that shows.Constitute image pickup part by imaging apparatus 221, imaging apparatus drive circuit 223, pre-process circuit 225.
Between above-mentioned shutter 213 and imaging apparatus 221, dispose dustproof filter 215, infrared cutoff filter/low pass filter 217.Piezoelectric element fixedly is arranged around dustproof filter 215, and this piezoelectric element vibrates with ultrasonic wave by the filter drive circuit 235 of preventing dust.Adhered dust is removed by the vibration wave that produces at piezoelectric element on the dustproof filter 215.
Infrared cutoff filter/low pass filter 217 is for the optical filter of removing infrared light composition and radio-frequency component from the subject light beam.Dustproof filter 215, infrared cutoff filter/low pass filter 217 and imaging apparatus 221 be in order to prevent intrusion such as dust, and be airtight and constitute integratedly.These integrated imaging apparatus 221 grades can be passed through shift mechanism 233, and X-direction and Y direction in the shooting face of imaging apparatus 221 are mobile respectively.
It is the angular acceleration transducer etc. of the vibration that causes such as to tremble for detection of putting on hand on the camera body 200 that hand is trembled transducer 229, and its output is trembled correcting circuit 230 with hand and is connected.Hand is trembled correcting circuit 230 and is generated hands and tremble correction signal, and this hand is trembled correction signal and is used for removing the vibration that hand is trembled etc., and the output that hand is trembled correcting circuit 230 is connected with shift mechanism drive circuit 231.
Shift mechanism drive circuit 231 input hands are trembled correction signal, and drive shift mechanism 233 according to this signal.In order to offset the vibration that the hand that puts on the camera body 200 is trembled etc., by this shift mechanism 233 imaging apparatus 221 grades are moved, carry out vibrationproof.
Inclination sensor 227 detects the angular acceleration that rotates around 3 axles, exports the value corresponding with the inclination of camera body 200.Tilt detection circuit 228 is connected with inclination sensor 227, obtains heeling condition according to the value of the stable state of inclination sensor 227, obtains acceleration according to the variable quantity of inclination sensor 227 in addition, and exports these values.
Light source sensor 244 is the transducers for detection of the light source of the surround lighting of subjects such as fluorescent lamp and sunlight.Light source treatment circuit 245 is connected with light source sensor 244, exports the light source data corresponding with light source.Illuminance transducer 246 is for the transducer of measuring the illumination on the camera body 200.Illumination treatment circuit 247 is connected with illuminance transducer 246, exports the illumination data corresponding with illumination.
Remote control receiving sensor 248 is for receiving based on the infrared ray sensor from the remote control command of the infrared ray of remote control (not shown) etc.Remote control receiving processing circuit 249 is connected with remote control receiving sensor 248, and input is from the signal of this transducer, and the output remote signal.
Above-mentioned pre-process circuit 225 and ASIC(Application Specific Integrated Circuit: ASIC(Application Specific Integrated Circuit)) data/address buss 252 in 250 are connected, and are connected with each circuit in the ASIC250 via this data/address bus 252.In addition, pre-process circuit 225 also is connected with contrast AF circuit 253 and AE circuit 255.
Contrast AF circuit 253 extracts radio-frequency component according to the picture signal of exporting from pre-process circuit 225, and will output to fuselage CPU251 based on the contrast information of this radio-frequency component.AE circuit 255 is according to the picture signal from pre-process circuit 225 outputs, and photometry information that will be corresponding with subject brightness outputs to fuselage CPU251.
The fuselage CPU251 that is connected with data/address bus 252, contrast AF circuit 253 and AE circuit 255 controls the action of camera according to the program that is stored in the flash memory 277.
This fuselage CPU251 plays a role as switching part, this switching part is exported according to the detection of the eye sensors 353 that the test section of whether observing the demonstration in the electronic viewfinder 41 as the detection observer plays a role, any one party among the back side LCD39 that makes the electronic viewfinder 41 that plays a role as the 1st display part and play a role as the 2nd display part is opened, and the opposing party is closed.
In addition, fuselage CPU251 plays a role as following control part: using the 1st display part that plays a role as electronic viewfinder 41 to carry out in live view shows under the situation of photography action, control feasible will the photography and confirm that image showed for the 1st time at the 1st display part, on the other hand, using the back side LCD39 that plays a role as the 2nd display part in live view shows, to carry out under the situation of photography action, controlling feasible will the photography and confirm that image showed for the 2nd time at the 2nd display part.
In addition, fuselage CPU251 plays a role as following control part: observing under the situation of the 1st display part detecting the observer by the eye sensors 353 that plays a role as test section, control feasible will the photography and confirm that image showed for the 1st time at the 1st display part, on the other hand, do not observing under the situation of the 1st display part detecting the cameraman by above-mentioned test section, controlling that making photograph confirms that image is in above-mentioned the 2nd display part the 2nd time of demonstration.
Except fuselage CPU251, also be connected with image processing circuit 257, compressed and decompressed circuit 259, video signal output circuit 261, switch testing circuit 268, imput output circuit 271, telecommunication circuit 273, flash memory control circuit 275, SDRAM control circuit 279, recording medium control circuit 283, dial testing circuit 289 on the data/address bus 252.
Numeral amplification (digital gain adjustment processing), color correction, gamma (γ) correction, contrast correction, live view that image processing circuit 257 carries out DID show with various images processing such as image generations.Compressed and decompressed circuit 259 is for by compression modes such as JPEG or TIFF the view data that is stored in SDRAM281 being compressed temporarily, again in order the circuit that decompresses such as to show.In addition, image compression is not limited to JPEG and TIFF, also can use other compress modes.
Video signal output circuit 261 can be connected with back side LCD39 via LCD drive circuit 263, and is connected with LCD351 with EVF via LCD drive circuit 354, is connected with exterior display device 330 via contact 330a again.This video signal output circuit 261 is to convert to be used to being shown to back side LCD39, the EVF circuit with the vision signal on LCD351 etc. for the view data that will be stored in SDRAM281, recording medium A285, recording medium B287.Video signal output circuit 261, LCD drive circuit 263 and LCD drive circuit 354 etc. carry out Continuous Drive to the EVF that plays a role as the 1st display part with LCD351 and as the back side LCD that the 2nd display part plays a role, and they are played a role as the live view display part that carries out the live view demonstration.
Comprise the 1st stroke (partly pressing) that detects release-push the 1R switch, detect the 2R switch of the 2nd stroke (pressing entirely) and the various switches 269 of the live view display switch connected by the operation of live view the Show Button 31 are connected with data/address bus 252 via switch testing circuit 268.In addition, as various switches 269, in addition also comprise with the menu switch of menu button 35 interlock, with the various switches of the reproduction switch that reproduces button 36 interlocks, mains switch 34 etc. and the interlock of other functional units etc.
The imput output circuit 271 that is connected with above-mentioned luminous enabling signal circuit 212, dustproof filter drive circuit 235, fast door drive mechanism 237, light source treatment circuit 245, illumination treatment circuit 247, remote control receiving processing circuit 249, tilt detection circuit 228, displacement structure drive circuit 231 is via the input and output of the data between each circuit such as data/address bus 252 controls and fuselage CPU251.In addition, imput output circuit 271 also is connected towards testing circuit 265, charging circuit 301, photoflash lamp illuminating circuit 303 with LCD described later.
Be connected with data/address bus 252 via the telecommunication circuit 273 that is connected with camera lens CPU111 of communication contact 341, carry out with fuselage CPU251 etc. between exchanges data and the communicating by letter of control command.
Flash memory control circuit 275 is connected with flash memory (Flash Memory) 277, and this flash memory 277 stores the program for the action of control figure single-lens reflex camera, and as previously mentioned, fuselage CPU251 carries out the control of camera according to the program that is stored in this flash memory 277.In addition, flash memory 277 is can the electric nonvolatile memory of rewriting.
SDRAM281 is connected with data/address bus 252 via SDRAM control circuit 279.This SDRAM281 be for interim storage by image processing circuit 257 carry out after image is handled view data or by the buffer of the view data after compressed and decompressed circuit 259 compressions.
The recording medium control circuit 283 that is connected with data/address bus 252 is connected with recording medium A285, recording medium B287, carries out to the control of reading of the record of view data of these recording mediums A285, recording medium B287 etc. and view data etc.
Recording medium A285 and recording medium B287 constitute and can load in xD image card (registered trade mark), compact flash (registered trade mark), SD memory card (registered trade mark) or the memory stick rewritable recording mediums such as (registered trade marks) any one, can freely load and unload with respect to camera body 200.In addition, also can constitute and to connect hard disk via the communication contact.In addition, recording medium A285, B287 are the recording mediums of identical type, are the combinations etc. of the different combination of memory capacity or different types of recording medium, and combined method is free.
Dial testing circuit 289 is connected with back dial 23 with preceding dial 22 respectively, detects direction of rotation and the rotation amount of each dial.
In camera body 200, be provided with the power-supply circuit 291 for supply powers such as each circuit in main body and each mechanisms.Built-in battery 292 and external power source 293 can be connected with this power-supply circuit 291.
LCD towards testing circuit 265 detect back side LCD39 towards.That is, back side LCD39 longitudinally position or lateral attitude change its towards, and detect should towards, be delivered to fuselage CPU251 via imput output circuit 271.
Be connected with control panel drive circuit 297 on the above-mentioned control panel 40, control panel drive circuit 297 is connected with fuselage CPU251.Fuselage CPU251 carries out the demonstration of photographic information etc. via control panel drive circuit 297 to control panel 40.
Optical axis at above-mentioned eyepiece camera lens 352 disposes EVF LCD351, and this EVF is connected with LCD drive circuit 354 with LCD351.LCD drive circuit 354 receives the vision signal from video signal output circuit 261, shows the image of live view etc. with LCD351 to EVF.The cameraman can observe via 352 pairs of these images of eyepiece camera lens.In addition, near eyepiece camera lens 352, dispose eye sensors 353(as described above with reference to Fig. 1), the output of this eye sensors 353 is connected with imput output circuit 271.
The built-in flash 50 that is disposed in the camera body 200 is made of charging circuit 301, photoflash lamp illuminating circuit 303, luminous tube 305 etc.Charging circuit 301 receives power supply from battery 292 or external power source 293 etc. and supplies with, and makes boost in voltage, and it is charged.Photoflash lamp illuminating circuit 303 carries out the voltage after boosting by charging circuit 301 is applied to the light emitting control of luminous tube 305 grades in predetermined timing.
External flashing lamp 310 is external flash units, is connected with camera body 200 via contact 310a, 301b.In this external flashing lamp 310, dispose photoflash lamp CPU311, charging circuit 313, photoflash lamp illuminating circuit 315, luminous tube 317, reflector 318 and zoom drive circuit 319.
Photoflash lamp CPU311 carries out the control of external flashing lamp 310, in addition, communicates with fuselage CPU251 via contact 310b, telecommunication circuit 273.Charging circuit 313 makes the boost in voltage that fills in the power-supply battery in the external flashing lamp 310, and it is charged.Photoflash lamp illuminating circuit 315 is luminous according to the luminous order that receives via fuselage CPU251 and contact 310a.To be 101 focal length according to photo-optics drive control to the interval of luminous tube 317 and reflector 318 to focal control circuit 319, controls to make that becoming with photo-optics is corresponding illumination angle such as 101 focal length.
External equipment 320 is personal computer equipment such as (PC), communicates with fuselage CPU251 via contact 320a, telecommunication circuit 273.External display device 330 is display devices such as television set, is connected with above-mentioned video signal output circuit 261 by contact 330a.Externally the internal configurations of display device 330 has display device drive circuit 331 and display unit 333.According to the vision signal from video signal output circuit 261, display device drive circuit 331 is in the demonstration of display unit 333 enterprising line item images etc.
Next, the record browse displays among the back side LCD39 in the present embodiment of use Fig. 3 and the summary of the record browse displays in the electronic viewfinder 41 describe.
As mentioned above, just pressing the predetermined time period of release-push after having carried out photography entirely, overleaf on LCD39 or the electronic viewfinder 41 for the photographs affirmation with and record browse displays.The back side LCD39 of this moment and the time of the affirmation usefulness in the electronic viewfinder 41 (being also referred to as the record browsing time) as described later, can be set pre-prepd time of cameraman and unlimited time (with reference to Fig. 8).Under the record browsing time that sets is unlimited situation, among Fig. 3 along the flow process of (S1)~(S8).On the other hand, be under the condition of limited in the time that sets, be the flow process of (S1)~(S11)~(S17).
In addition, in the example of Fig. 3, it is short that record browsing time of electronic viewfinder 41 usefulness is set at the record browsing time of using than back side LCD39.Are the situations of taking continuously when watching electronic viewfinder 41, therefore, the record browsing time is made as the short time, on the other hand, it is the situation of confirming the detailed content of photographs under the situation of watching the image of having taken by back side LCD monitor, therefore, will record the browsing time sets longlyer.In addition, the record browsing time that also can establish electronic viewfinder 41 usefulness is zero.At this moment, when watching electronic viewfinder 41 to take, the record browsing time becomes zero, does not record browse displays.
Now, suppose under the state of observing electronic viewfinder 41, photograph (with reference to S1).Record the browsing time and be set under the unlimited situation this moment, when the cameraman has watched electronic viewfinder 41, in the enterprising line item browse displays of electronic viewfinder (with reference to S2), in addition, when the cameraman is not watching electronic viewfinder 41, the enterprising line item browse displays of LCD39 (with reference to S3) overleaf.In Fig. 3, undertaken recording by back side LCD39 and browsing after record browses by electronic viewfinder 41, but order also can put upside down, perhaps only also can by one of them.In addition, when recording browse displays by electronic viewfinder 41, the record browse displays among the LCD39 of the back side is closed, and on the contrary, when recording browse displays by back side LCD39, the record browse displays in the electronic viewfinder 41 is closed.After end browsed in record, when half push that has carried out release-push (1R operation), carry out live view overleaf on the LCD39 and show (S4).
Next, under with the situation of limited time set for the record browsing time, when under the state of observing electronic viewfinder 41, having carried out photography (with reference to S1), the timing of the LCD timer that the EVF timer of electronic viewfinder 41 usefulness and back side LCD39 use action beginning (with reference to S11).Now, under watching the state of electronic viewfinder 41, the cameraman do not record browse displays (with reference to S12) by back side LCD39.When the timing time of LCD timer finished, the record browse displays finished, and carried out live view overleaf on the LCD39 and showed (with reference to S13).
In addition, when making record browse timer initiation, under the situation about browsing by electronic viewfinder 41 observed and recordeds, when the EVF timer finishes (S14), LCD39 goes up and shows that record browses (with reference to S15) overleaf.This is because as mentioned above, in example shown in Figure 3, sets the LCD timer longer than EVF timer.When the LCD timer finishes, carry out live view overleaf on the LCD39 and show (with reference to S16).
In addition, when making record browse timer initiation, EVF timer and LCD timer both when finishing (S17), carry out live view overleaf on the LCD39 and show (S18).
Next, use Fig. 4 flow chart extremely shown in Figure 7 that the action of present embodiment is described.Fuselage CPU251 carries out these flow processs according to the program that is stored in the flash memory 277.
The flow process of electrification reset shown in Figure 4 is being loaded into battery 292 in the camera body 200, when perhaps having connected external power source 293, and this flow startup.At first, whether the mains switch 34 of judging camera body 200 connects (﹟ 1).Be mains switch 34 when disconnecting in result of determination, become low-power consumption state, be sleep state (﹟ 3).
Only when connecting, mains switch 34 interrupting handling under this sleep state.Zai Bu Zhou ﹟ is below 5, the processing of the usefulness that powers on.Before mains switch 34 is connected, stop mains switch and interrupt handling action in addition, prevent the consumption of power-supply battery.
Among the Zai Bu Zhou ﹟ 1, mains switch 34 is under the situation about connecting, and perhaps, under the dormant situation in having broken away from Bu Zhou ﹟ 3, the beginning power supply is supplied with (﹟ 5).Next, the dust that prevents dust in the filter 215 is removed action (﹟ 7).In this step, apply driving voltage from dustproof filter drive circuit 235 to the piezoelectric element that is fixedly mounted on the dustproof filter 215, remove dust etc. by the ultrasonic vibration ripple.
Next, if there are information such as the shutter speed of the photograph mode set by preceding dial 22 and back dial 23 grades, ISO photosensitivity, manually setting and f-number, that then carries out these photograph modes and photography conditions reads in (﹟ 9).In addition, at this moment, together the aperture of also changing camera lens 100 via telecommunication circuit 273 from camera lens CPU111 open, the reading in of shot information such as focal length information.
When having carried out the reading in of photograph mode and photography conditions, next, carry out photometry and exposure computing (﹟ 11).Herein, according to the view data from imaging apparatus 221, the mensuration of carrying out subject brightness by AE circuit 255.According to this subject brightness that determines, carry out the computing for exposures such as the f-number that obtains correct exposure and shutter speeds.In addition, carry out the computing of exposure according to the photograph mode and the photography conditions that set among the Zai Bu Zhou ﹟ 9.In addition, will be shown in back side LCD39, electronic viewfinder 41 or control panel 40 based on the f-number of the exposure that calculates and shutter speed value or their manual set point herein.
When having carried out photometry and exposure computing, next, carry out the judgement (﹟ 13 of the detection signal of eye sensors).As mentioned above, when there is object (for example, the cameraman) in eye sensors 352 near eyepiece portion 38, output detection signal.In this step, when near eyepiece portion 38, having object, be judged to be connection, on the other hand, when not existing, be judged to be disconnection.
Next the result of the judgement among the Zai Bu Zhou ﹟ 13, closes EVF LCD351(﹟ 15 under the situation about disconnecting), LCD39 carries out live view demonstration (﹟ 17 overleaf).The result of determination of the detection signal of eye sensors 353 is that the cameraman does not observe electronic viewfinder 41 by eyepiece portion 38, therefore, closes EVF LCD351, carries out live view overleaf on the LCD39 and shows.
On the other hand, the result of the judgement among the Zai Bu Zhou ﹟ 13 closes back side LCD39(﹟ 31 under the situation about connecting), carry out the EVF live view and show (﹟ 33).The result of the judgement of the detection signal of eye sensors 353 is that the cameraman observes electronic viewfinder 41 by eyepiece portion 38, therefore, closes back side LCD39, carries out live view at EVF with LCD351 and shows.
Bu Zhou ﹟ 17 Yi Ji live view among the ﹟ 33 show according to the view data from imaging apparatus 221, by pre-process circuit 225 and image processing circuit 257, carry out rejecting at interval the image of pixel count etc. and handle.Shot object image dynamically is shown to back side LCD39 or EVF with on the LCD351.In order to carry out reading of view data from imaging apparatus 221, carry out the renewal of shot object image.
When in rapid ﹟ 17 of step overleaf LCD carried out live view when showing, perhaps in rapid ﹟ 33 of step, carried out live view when showing at EVF with LCD, next, whether carried out the judgement (﹟ 19) of the operation of functional unit.In this step, by switch testing circuit 268, judge whether operated 1R switch, configuration switch (menu switch), reproduce any switch in switch, the mains switch.
The result of the judgement among the Zai Bu Zhou ﹟ 19 does not have to return Bu Zhou ﹟ 11 under the situation of operation, carries out above-mentioned action.On the other hand, be to have carried out next, whether partly supressing release-push under the situation of operation in the result who judges, that is, and the judgement (﹟ 21 whether the 1R switch is connected).
The result of the judgement among the Zai Bu Zhou ﹟ 21 is under the situation of 1R switch connection, the subprogram (﹟ 41 of the photography action that carrying out photographs prepares and photograph).In this subprogram, when pressing release-push (2R switch connection) entirely, photograph, finish back demonstration record in photography and browse.The detailed content of this subprogram will be used Fig. 5 aftermentioned.
The result of the judgement among the Zai Bu Zhou ﹟ 21 is that the 1R switch does not have under the situation of connection, perhaps, under the situation of the photography action in having carried out Bu Zhou ﹟ 41, next, carries out the judgement (﹟ 23 whether configuration switch is connected).In this step, whether actions menu button (setting button) 35 etc. are set at the judgement of menu mode (setting pattern).
The result of the judgement among the Zai Bu Zhou ﹟ 23 is under the situation of menu mode (setting pattern), sets change (﹟ 43).Set in the subprogram of change at this, record the processing of the various setting changes such as setting change of browsing time.Detailed content about this subprogram will adopt Fig. 7 aftermentioned.
The result of the judgement among the Zai Bu Zhou ﹟ 23 is that configuration switch does not have under the situation of connection, perhaps, during the subprogram of the setting change in having carried out Bu Zhou ﹟ 43, next, reproduces the judgement (﹟ 25 whether switch is connected).Be to reproduce under the situation that switch connected in the result of this judgement, carry out reproducing movement (﹟ 45).By reproducing movement, read the view data that is recorded among recording medium A285 or the recording medium B287, LCD39, EVF go up to reproduce with LCD351 or exterior display device 330 etc. and show overleaf.
Result of determination among the Zai Bu Zhou ﹟ 25 is to reproduce switch not have perhaps, during the subprogram of the reproducing movement in having carried out Bu Zhou ﹟ 45, next, to carry out the judgement (﹟ 27 whether mains switch 34 is connected under the situation of connection).Result in this judgement is under the situation of mains switch 34 connections, returns step S11, carries out above-mentioned action.
The result of the judgement among the , Zai ﹟ 27 is that mains switch does not have under the situation of connection on the other hand, stops power supply and supplies with (﹟ 29), return Bu Zhou ﹟ 3, become above-mentioned sleep state.
Next, adopt flow chart shown in Figure 5 to describe the subprogram of the photography action among the Bu Zhou ﹟ 41.
When entering the subprogram of photography action, at first, degree of comparing AF(﹟ 51)., according to the view data from imaging apparatus 221, carry out the driving control of photographic optical system 101 herein, so that become peak value from the radio-frequency component of the view data of contrast AF circuit 253 outputs.
When having carried out contrast AF, next identical with Bu Zhou ﹟ 11, carry out photometry and exposure computing (﹟ 53).To be shown in back side LCD39, control panel 40 or EVF with on the LCD351 based on the f-number of the exposure that calculates and shutter speed value or their manual set point herein.
When having carried out photometry and exposure computing, next, judge whether supress release-push entirely, that is, whether the 2R switch connects (﹟ 55).Be under the 2R switch situation that do not have to connect in this result of determination, carry out the judgement (﹟ 57 whether the 1R switch is connected).
Do not connect if the result of the judgement among Gai Bu Zhou ﹟ 57 is the 1R switch, then cameraman's finger has left release-push, therefore, finishes the subprogram of photography action, returns original flow process.On the other hand, the result of determination among the Zai Bu Zhou ﹟ 57 is under the 1R switch situation about having connected, and therefore cameraman's finger, returns Bu Zhou ﹟ 55 by to release-push at least, becomes the holding state of alternately judging this step and Bu Zhou ﹟ 57.
The result of the judgement of Zai Bu Zhou ﹟ 55 is under the situation of 2R switch for connection, is the situation that the cameraman supresses release-push entirely, is transferred to exposure actions.At first, carry out the closing motion (﹟ 61 of shutter 213).When carrying out exposure actions, need charge to shutter 213, therefore, carry out the closing motion of shutter 213 for the time being.
When having carried out the closing of shutter 213, next, that carries out aperture 103 dwindles action (﹟ 63).In this step, carry out aperture to camera lens CPU111 and dwindle indication, to become the f-number of obtaining according to the exposure computing among the Bu Zhou ﹟ 53 or the f-number of manually setting out.
Next, carry out exposure actions (﹟ 65).In this step, the preceding curtain of shutter 213 is moved, and in imaging apparatus 221, begin electric charge accumulation.And, through after the scheduled time, the back curtain of shutter 213 is moved, and finishes the electric charge accumulation in the imaging apparatus 221.
When exposure actions finished, next, that carries out aperture 103 opened (﹟ 67).That is, fuselage CPU251 sends indication to camera lens CPU111, opens f-number so that aperture 103 becomes.
When opening aperture, next, that carries out shutter 213 opens (﹟ 69).To show in order to open live view again, and in order being that 101 subject light beam guides to imaging apparatus 221 from photo-optics, the preceding curtain of shutter 213 to be moved, open shutter.
When having opened shutter 213, next, that carries out image reads (﹟ 71).In this step, by imaging apparatus drive circuit 223, carry out reading of picture signal from imaging apparatus 221.Next, carry out image and handle (﹟ 73).By pre-process circuit 225, image processing circuit 257 and compressed and decompressed circuit 259 etc. the picture signal of reading from imaging apparatus 221 being carried out various images herein, handles.
When having carried out the image processing, next, record and browse (﹟ 75).Herein, the image of having taken that will obtain from Bu Zhou ﹟ 61~﹟ 73 is at electronic viewfinder 41 or during the back side LCD39 demonstration record browsing time.About the detailed action that this record is browsed, will adopt Fig. 6 aftermentioned.
In addition, carry out image record (﹟ 77).Image record is that the Imagery Data Recording of the view data output area after by recording medium control circuit 283 image being handled is to recording medium A285 or recording medium B287.In addition, in the flow process of Fig. 5, though put down in writing according to recording the order of carrying out the image record after browsing,, also can carry out conversely, perhaps, both are walked abreast carry out.After the image record end, return original flow process.
Next, the detailed action of adopting flowchart text shown in Figure 6 to browse about the record of Bu Zhou ﹟ 75.When having entered the flow process that record browses, at first, at the enterprising line item browse displays of EVF (﹟ 81).Generally speaking, when taking, confirm subject by electronic viewfinder 41 on one side, Yi Bian the situation of taking is more, therefore, in the present embodiment, be arranged in the EVF enterprising line item browse displays of LCD351 of electronic viewfinder 41.
When EVF has carried out the record browse displays, next, make EVF timer initiation (﹟ 83), then, make LCD timer initiation (﹟ 85).Owing to record browse displays during at the fixed time, therefore, herein, the timer initiation that the timing of the scheduled time is used.In addition, Zai Bu Zhou ﹟ 41(is with reference to Fig. 4) setting change in set this scheduled time.
When making EVF timer and LCD timer initiation, next, judge that whether the EVF timer is to time (﹟ 87).Judge whether the EVF timer that has begun the timing action among the Zai Bu Zhou ﹟ 87 has arrived the scheduled time herein.
The result of the judgement of step among the rapid ﹟ 87 be the EVF timer not under the situation of time, identical with rapid ﹟ of step 13, judge whether eye sensors opens (﹟ 89).Herein, according to judging from the detection signal of eye sensors 353.
The result of the judgement among the Zai Bu Zhou ﹟ 89 is under the eye sensors situation of closing, that is, do not watch the cameraman under the situation of eyepiece portion 38, and the enterprising line item browse displays of LCD39 (﹟ 91 overleaf).Herein, according to Zai Bu Zhou ﹟ 73(with reference to Fig. 5) in carry out view data after image is handled, the enterprising line item browse displays of LCD39 overleaf.
On the other hand, the result of the judgement among the Zai Bu Zhou ﹟ 89 is under the situation of eye sensors unlatching, that is, watch the cameraman under the situation of eyepiece portion 38, at the enterprising line item browse displays of EVF (﹟ 93).Herein, according to Zai Bu Zhou ﹟ 73(with reference to Fig. 5) in carry out view data after image is handled, at EVF with the enterprising line item browse displays of LCD351.
When LCD has carried out the record browse displays overleaf in rapid ﹟ 91 of step, next, judge whether the LCD timer passes through the scheduled time (﹟ 95).Herein, judge begun the timing action among the Zai Bu Zhou ﹟ 85 the LCD timer whether timing the scheduled time.
The result of the judgement among the Zai Bu Zhou ﹟ 95 is that the LCD timer does not pass through under the situation of the scheduled time, perhaps the result of the judgement among the Zai Bu Zhou ﹟ 89 is that eye sensors is opened, and under the situation of EVF with the enterprising line item browse displays of LCD351, next, the judgement (﹟ 97 that whether has operation).Herein, whether judge by switch testing circuit 268 and operated any console switch in the various switches 269.Result in this judgement is under the situation of not operating, and returns Bu Zhou ﹟ 87.
When the result of the judgement among the Bu Zhou ﹟ 95 scheduled time that has been the timing of LCD timer, perhaps, the result of the judgement among the Zai Bu Zhou ﹟ 97 exists under the situation of operation, and the end record browse displays is returned original flow process.
When the result of the judgement of step among the rapid ﹟ 87 is EVF timer during to the time, carry out live view at EVF and show (﹟ 101).Herein, the timing time of EVF timer has passed through the scheduled time, therefore, finishes electronic viewfinder 41(EVF LCD351) in the record browse displays, carry out the live view demonstration.
When having carried out live view at EVF when showing, next, whether the LCD timer is judged (﹟ 103) to the time.Judge whether the LCD timer that starts among the Zai Bu Zhou ﹟ 85 has arrived the scheduled time herein.
The result of the judgement of step among the rapid ﹟ 103 be the LCD timer not under the situation of time, next, rapid ﹟ 13, ﹟ 89 are identical with the step, judge whether eye sensors opens (﹟ 105).According to judging from the detection signal of eye sensors 353.
The result of the judgement among the Zai Bu Zhou ﹟ 105 is under the situation of closing, that is, the cameraman does not watch under the situation of eyepiece portion 38, and the enterprising line item browse displays of LCD39 (﹟ 107 overleaf).According to Zai Bu Zhou ﹟ 73(with reference to Fig. 5) in carry out view data after image is handled, the enterprising line item browse displays of LCD39 overleaf.
On the other hand, the result of the judgement in rapid ﹟ 105 of step is under the situation of eye sensors unlatching, that is, watch the cameraman under the situation of eyepiece portion 38, carries out live view at EVF and shows (﹟ 109).Result of determination among the Bu Zhou ﹟ 87 is that the timing time of EVF timer has passed through the scheduled time, therefore, shows according to carry out live view from the view data of imaging apparatus 221.
When in rapid ﹟ 107 of step overleaf during the enterprising line item browse displays of LCD, next, whether the LCD timer is judged (﹟ 111) to the time.Judge whether the LCD timer that has begun the timing action among the Zai Bu Zhou ﹟ 85 has arrived the scheduled time herein.
The result of the judgement of step among the rapid ﹟ 111 be the LCD timer not under the situation of time, perhaps next identical with rapid ﹟ of step 97 EVF has carried out situation that live view shows with LCD351 under, whether have the judgement (﹟ 113) of operation.Herein, whether judge by switch testing circuit 268 and operated any one console switch in the various switches 269.Result in this judgement is under the situation of not operating, and returns Bu Zhou ﹟ 103.Therefore, the LCD timer time also not before the time, short of console switch is operated, just proceed to record browse displays on the LCD39 overleaf, perhaps proceed live view at EVF with LCD351 and show.
When the result of the judgement among the Bu Zhou ﹟ 103 Huo person ﹟ 111 scheduled time that has been the timing of LCD timer, perhaps, the result of the judgement among the Bu Zhou ﹟ 113 exists under the situation of operation, closes the record browse displays, returns original flow process.
Thereby, among flow process browsed in the record of present embodiment, at EVF timer (﹟ 87 → not) before the time, under the situation of watching eyepiece portion 38 at electronic viewfinder 40(EVF LCD351) enterprising line item browse displays (﹟ 93), on the other hand, under the situation of not watching eyepiece portion 38, the enterprising line item browse displays of LCD39 (﹟ 91 overleaf).In addition, at the EVF timer to the time, but the LCD timer is (﹟ 87 → be) not under the situation of time, if watching eyepiece portion 38, then at electronic viewfinder 40(EVF LCD351) carry out live view and show (﹟ 109), on the other hand, under the situation of not watching eyepiece portion 38, the enterprising line item browse displays of LCD39 (﹟ 107 overleaf).
Thereby, among flow process browsed in the record of present embodiment, detecting (﹟ 89 → unlatching under the situation that the cameraman observing electronic viewfinder 41 by eye sensors 353), to record the browse graph picture and show EFF record browsing time (﹟ 93 at electronic viewfinder 41), on the other hand, observing (﹟ 89 under the situation of electronic viewfinder 41 → close, ﹟ 105 → close not detecting the cameraman), will record the browse graph picture overleaf LCD39 go up show LCD record browsing time (﹟ 91, ﹟ 107).
In addition, in the present embodiment, be arranged under the situation of operation that there is functional unit during the browse displays in record end record browse displays (﹟ 97, ﹟ 113).Selecting before functional unit is operated, to continue the record browse displays under unlimited (HOLD keeps) (with reference to Fig. 8) situation as the record browsing time.In addition, in the record browse displays, (﹟ 89 when variation has taken place in the detection output of eye sensors 351), the demonstration destination of record browse displays changes.At this moment, the end record browse displays is exported under the situation about changing in the detection that also can be arranged in eye sensors 351.
Next, adopt flow chart shown in Figure 7 to Bu Zhou ﹟ 43(with reference to Fig. 4) the detailed action of setting change describe.When entering the flow process of setting change, at first, judge whether select EVF record browsing time (﹟ 121).When having operated menu button 35, LCD39 goes up the display menu picture overleaf, sets change at this menu screen.On menu screen, show that the icon of usefulness is changed in the setting of EVF record browsing time, the setting of LCD record browsing time is changed with icon and other and set the icon that changes usefulness.In this step, judge and whether selected the EVF record browsing time to set the change icon by the operation of cross button 32 grades.
The result of the judgement among the Zai Bu Zhou ﹟ 121 has selected to carry out the EVF setting (﹟ 127 of record browsing time under the situation of EVF record browsing time).When having selected the EVF record during browsing time, show and record the browsing time set point as illustrated in Figure 8 that the cameraman operates cross button 32 etc., the record browsing time of selecting the cameraman to want.When selecting 0 second conduct record during the browsing time, the record browsing time becomes zero, does not record browse displays on electronic viewfinder 41.In addition, when selecting " maintenance " conduct record during the browsing time, the record browsing time becomes infinitely.At this moment, Zai Bu Zhou ﹟ 97, ﹟ 113(are with reference to Fig. 6) in, the record browse displays before operating, continued.
When having set the EVF record among the Zai Bu Zhou ﹟ 127 during the browsing time, perhaps, the result of the judgement among the Zai Bu Zhou ﹟ 121 is not under the EVF situation of record browsing time, next, judges whether carry out the back side LCD setting (﹟ 123 of record browsing time).In this step, judge and whether selected the LCD record browsing time to set the change icon by the operation of cross button 32 grades.
The result of the judgement among the Zai Bu Zhou ﹟ 123 has selected to carry out the LCD setting (﹟ 129 of record browsing time under the situation of LCD record browsing time).When having selected the LCD record browsing time, identical with the situation of the setting of EVF record browsing time, show and record the browsing time set point as illustrated in Figure 8 that the cameraman operates cross button 32 grades, the record browsing time of selecting the cameraman to want.In this step, set the record browsing time that the cameraman determines.In addition, as the LCD record browsing time, also can be arranged to not show 0 second.In addition, Fig. 8 is an illustration, and EVF record is browsed and the LCD record browsing time also can be time beyond showing, in addition, also can suitably make numerical value change by dial etc.
When having set the LCD record browsing time among the Zai Bu Zhou ﹟ 129, perhaps, the result of the judgement among the Zai Bu Zhou ﹟ 123 is not under the LCD situation of record browsing time, next, (﹟ 125 is judged in the setting of whether carrying out other).In menu screen, except the setting of record browsing time, also show the icon of various setting usefulness.In this step, to whether having selected other icons to judge.The result of the judgement among the Zai Bu Zhou ﹟ 125 is under other the situation of setting, carries out selected setting (﹟ 131).
When having carried out other settings among the Zai Bu Zhou ﹟ 131, perhaps the result of the judgement among the Bu Zhou ﹟ 125 is not under the situation of other settings, and the flow process of end setup change is returned original flow process.
As discussed above, in an embodiment of the invention, have: the 1st display part (electronic viewfinder 41), its view data according to image pickup part output shows, and can observe by eyepiece portion 38; The 2nd display part (back side LCD39), its view data according to image pickup part output shows, and can not observe by eyepiece portion 38; Test section (eye sensors 353), whether its detection cameraman is observing the demonstration in the 1st display part; Control part (fuselage CPU251), it is using the 1st display part to carry out in live view shows under the situation of photography action, control so that will photograph and confirm that image shows the 1st time (figure 6 De ﹟ 87 → ﹟ 89 → ﹟ 93) at the 1st display part, on the other hand, using the 2nd display part in live view shows, to carry out under the situation of photography action, control so that will photograph and confirm that image shows the 2nd time (figure 6 De ﹟ 87 → ﹟ 89 → ﹟ 91 , ﹟ 87 → ﹟ 103 → ﹟ 105 → ﹟ 107) at above-mentioned the 2nd display part.
Thereby, in an embodiment of the invention, after just having finished, photography will photograph when confirming that image is shown on the 1st or the 2nd display part, make the asynchronism(-nization) of record browse displays.Therefore, can carry out record browse displays in the photography situation.
In addition, in an embodiment of the invention, be arranged to the detection output according to eye sensors 353, the enterprising line item browse displays of any one party in electronic viewfinder 41 and back side LCD39.But, also can be arranged in both enterprising line item browse displays, also can be arranged to make record browsing time difference in such cases.
In the technology described herein, for mainly utilizing the illustrated control of flow chart, in most cases also can utilize program to set in addition, can also be indexed in the recording medium sometimes or in the record portion.And as for the recording method to this recording medium, record portion, can be when product export record, also can utilize the recording medium of issuing, can also download via the internet.
In addition, in an embodiment of the invention, though use digital camera to be illustrated as the equipment of photography usefulness, but, as camera, certainly can be digital single-lens reflex camera, also can be the compact digital camera, also can be the camera of using as the dynamic image of video camera, film camera.No matter any, so long as have the 1st and the 2nd display part, and can record the camera of browse displays, just can use the present invention.
In addition, about the motion flow in claims, specification and the accompanying drawing, though for convenience, use expression " at first ", the term of orders such as " next " is illustrated,, and do not mean that and must implement in proper order according to this.
The present invention is not directly to the restriction of above-mentioned execution mode, but can the implementation phase be no more than in the scope of its purport and specializing after structural element is out of shape.In addition, can form various inventions by the appropriate combination of the disclosed a plurality of structural elements of above-mentioned execution mode.For example, also can delete certain several structural element of the entire infrastructure key element shown in the execution mode.And, also can appropriate combination the structural element of different execution modes.