JP2002229115A - Camera and printing system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a print of high image quality by enabling prediction of an image on the print at photographing so that erroneous photographing may be prevented. SOLUTION: The printing system includes the camera provided with an exposure means for exposing the image of an object on a film, an imaging device for imaging the object and outputting the image data to a prescribed image recording medium and a recording means for recording the exposure control value of the camera at photographing on the prescribed recording medium, and includes a printer for inputting the image exposed on the film by the camera as the image data, and then, performing the image processing of the inputted image data and outputting the image photographed on the film as a reproduced print. In the printing system, when performing the image processing, the gradation is corrected by using image data obtained by photographing the same scene as that of the image photographed on the film by the imaging device and the exposure control value.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a camera and a printing system, and more particularly, to a camera that captures an image on a film using a lens and captures an image using an image sensor such as a CCD, and a camera using the camera. The present invention relates to a print system that processes an image captured on a film using image data or the like obtained by capturing the same scene with the image sensor, and reproduces the image as a high-quality print.

[0002]

2. Description of the Related Art Conventionally, printing of an image photographed on a photographic film (hereinafter, simply referred to as a film) such as a negative film or a reversal film on a photosensitive material (photographic paper) is performed by:
So-called direct exposure (analog exposure), in which a film image is projected onto a photosensitive material and the photosensitive material is surface-exposed, has been mainly used. In contrast, in recent years, a printing apparatus using digital exposure, that is, an image recorded on a film is photoelectrically read, and the read image is converted into a digital signal.
A digital photo printer that prints (finished) an image (latent image) by scanning and exposing a photosensitive material with recording light modulated according to the image data by performing various image processing to form image data for recording. Has been put to practical use.

In a digital photo printer, an image can be converted into digital image data, and the exposure conditions at the time of printing can be determined by image data processing.
By suitably performing sharpness (sharpening) processing, correction of color or density feria, etc., it is possible to obtain high-quality prints that cannot be obtained by conventional direct exposure. Further, synthesis of a plurality of images, image division, and synthesis of characters can also be performed by image data processing, and a print that has been freely edited / processed according to the intended use can be output. In addition, according to the digital photo printer, not only can the image be output as a print (photo), but also the image data can be directly output to a recording medium and used for various purposes other than a photo.

In order to create a print that reflects the photographer's intention and reflects the photographer's satisfaction, the density and color balance of the main subject image in the photographed image must be properly reproduced. Required. Regarding this point, conventionally, for example, in Japanese Patent Application Laid-Open No. 8-122847, when photographing a subject, an image of the subject is displayed on a display device of a camera, and a main subject area is designated therefrom, and the main subject is appropriately designated. In addition to shooting with exposure, when creating prints, prints are created using information at the time of shooting such as main subject area instructions, etc., so that prints that optimally reflect the photographer's intentions for all scenes are created A camera and a printing system configured as described above are disclosed.

Recently, for example, Eastman Kodak Company and Olympus Corporation have been equipped with an image pickup device and an image display device, as well as a function of taking an image on a normal film. A camera having a function of displaying an image has been developed. For example,
The Kodak APS has an APS autofocus camera equipped with a liquid crystal monitor, CCD, etc., and after pressing the shutter button, presses the preview button to display the current image digitally on the liquid crystal monitor.
It is a preview camera. Also, Olympus's built-in CMOS area sensor and micro lens for image confirmation inside the flash, and when the shutter is pressed, the shutter of the area sensor part is released at the same time as normal shooting,
This is a hybrid camera that displays captured images as digital data on a liquid crystal screen on the back of the body.

[0006]

However, the camera with the image monitor only confirms the pattern of the photographed image at the time of photographing, and the mounting of the image sensor and the monitor improves the image quality of the camera. However, there is a problem that a high-quality photo print reflecting the photographer's intention is not necessarily obtained. Further, in the camera and the print system disclosed in the above publication, the photographer must specify the main subject area through the display device at the time of photographing, which is complicated and has room for improvement.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and has been made to further improve the above-described conventional technology. It is an object to provide a camera and a print system that can be obtained.

[0008]

In order to solve the above-mentioned problems, a first aspect of the present invention is to provide an exposure device for exposing an image of a subject on a film, and a method of recording an image of a subject and recording image data in a predetermined image. There is provided a camera comprising: an image sensor for outputting to a medium; and recording means for recording an exposure control value of the camera at the time of photographing on a predetermined recording medium.

The camera further comprises an image display means for displaying an image taken by the image pickup device, and judging whether or not an exposure condition at the time of image pickup is appropriate. And a warning unit for displaying a warning on the screen.

The warning means may be arranged so that the density value of the image is
If it is likely to exceed the appropriate range of the dynamic range of the film at the time of shooting, or if it is likely to exceed the appropriate range of the density reproduction area of the paper at the time of printing, estimate the area that is likely to exceed the appropriate range of the dynamic range, Preferably, a warning is displayed on the image display means.

[0011] Similarly, in order to solve the above problems,
A second aspect of the present invention is the camera according to any one of claims 1 to 3, and inputs an image captured on a film by the camera as image data, and performs image processing on the image data. A printer that outputs an image captured on the film as a reproduced print, wherein when performing image processing on the image data, capturing the same scene as the image captured on the film. There is provided a print system wherein tone correction is performed using image data obtained by photographing with an element and the exposure control value.

[0012] Further, based on the image data and the exposure control value obtained by photographing with the image pickup device, an area where the density value of the image is likely to exceed the proper range of the dynamic range of the film in the image photographed on the film. Is determined, and tone correction is preferably performed using image data obtained by photographing the area with the image sensor.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a camera and a printing system according to the present invention will be described in detail based on preferred embodiments shown in the attached drawings.

FIG. 1 shows an embodiment of a camera according to the present invention. The camera 1 mainly includes a photographing lens 10,
Automatic focusing (AF) mechanism 12, automatic exposure (AE) mechanism 1
4. a control device 16 for controlling each part of the camera 1 including these mechanisms; an image pickup device 18 for receiving light passing through the photographing lens 10 and outputting an image signal (image data) representing a subject to the control device 16; And a display device 20 for displaying an image input by the imaging element 18. A photographic film 24 stored in a cartridge 22 is loaded in the camera 1.

The photographing lens 10 includes an optical system composed of a plurality of lenses and a lens barrel holding the optical system. The optical system has a lens moving mechanism (not shown) for focusing. Can move along the optical axis.
The lens moving mechanism is operated manually or by the AF mechanism 12. On the photographic film 24, a transparent magnetic layer (magnetic recording layer) is coated on the entire surface opposite to the emulsion surface, and a pair of recording / reproducing magnetic heads 26A and 26B are brought into contact with the magnetic recording layer. Are located.
Between the taking lens 10 and the photographic film 24, a shutter mechanism (not shown), a main mirror 28 and a sub-mirror 30 that can be mirrored up are arranged, and the photographic film 24 is opened and closed by opening the shutter mechanism. The subject is photographed.

The light reflected by the main mirror 28 enters the image pickup device 18 and is output to the control device 16 as image data (image signal) representing the subject.
And output to the image recording medium 32. The AE mechanism 14 determines an exposure amount in accordance with a preset aperture-priority automatic exposure, a shutter speed-priority automatic exposure, and a program automatic exposure, and controls the shutter speed, the aperture, or both. The AE mechanism 14
It is connected to a control device 16 composed of a microcomputer or the like, and is also connected to a shutter and an aperture, and is controlled so as to have a calculated exposure amount. Control device 16
Displays a predetermined warning on the display device 20 when it is determined that the calculated exposure amount exceeds the appropriate dynamic range of the photographic film 24.

The control device 16 is connected to a light receiving section 34 comprising a condenser lens and a CCD line sensor. At the time of the distance measurement when the release button is half-pressed or at the time of the distance measurement in which the main subject is designated, light reflected by the subject enters the light receiving unit 34 via the photographing lens 10 and the sub-mirror 30, and the distance to the distance measurement point Is detected. When the distance to the distance measuring point is input to the AF mechanism 12, the AF mechanism 12
The photographing lens 10 is set at a position corresponding to the distance to the distance measuring point, and the focus is automatically set to the distance measuring point.

The control device 16 is connected to a display device 20 which is connected to the camera 1 main body via a hinge and which is turned on when opened. Display device 20
Is composed of, for example, an LCD (Liquid Crystal Display),
Since the camera 1 is connected to the main body via a hinge, the position and the posture are variable. The display device 20 includes a display device fixed to the camera 1, a display device detachably connected to the camera 1, and a signal transmission line, in addition to the display device connected to the camera 1 body via a hinge. A display device connected to the camera 1 is preferably exemplified.

The control unit 16 drives the recording / reproducing magnetic heads 26A and 26B via a driver to record an exposure control value on each magnetic track of the photographic film 24 and to record the recorded data as necessary. Reproduce. In addition to the exposure control value, camera control data such as a shutter speed at the time of photographing and data indicating the presence or absence of flash emission may be recorded on the magnetic track. Also, photographic film 2
The position where information is recorded on 4 is not particularly limited, and may be between film frames, or may be recorded on an IC attached or printed on a film or a film storage cartridge. Also, in the above, the transparent magnetic recording layer was applied over the entire surface of the photographic film, but only at a position along the film length direction near the side edge of the film, the transparent or opaque magnetic recording layer was applied. Is also good. At this time, since the vicinity of the side edge of the film does not affect the taken image frame, the magnetic recording density can be increased by increasing the thickness of the magnetic recording layer.

FIG. 2 is a block diagram showing a schematic configuration of a digital photo printer as one embodiment of a printing system according to the present invention. The print system 100 shown in FIG. 2 basically includes a scanner (image reading device) 1 that photoelectrically reads an image captured on a photographic film 24.
12, an image processing device 114 that processes the read image data to output image data, and that operates and controls the entire printing system 100, and an image processing device that outputs the image data according to the image data output from the image processing device 114. Printer 11 that exposes a photosensitive material (photographic paper) to an image with a modulated light beam, develops it, and outputs it as a (finished) print
6. The image processing apparatus 114 includes an operation system 118 having a keyboard 118a and a mouse 118b for inputting and setting various conditions, selecting and instructing processing, and instructions for color / density correction, and the like.
The display 120 is connected to display an image read in the above, various operation instructions, a condition setting / registration screen, and the like.

The scanner 112 is a device that photoelectrically reads an image photographed on the photographic film 24 or the like.
A variable aperture 124, a diffusion box 128 for making reading light incident on the photographic film 24 uniform in the surface direction of the photographic film 24, an imaging lens unit 132,
An image sensor 134 having a line CCD sensor corresponding to each image reading of (red), G (green), and B (blue), an amplifier (amplifier) 136, and an A / D (analog / digital) converter 138 Have.

In the print system 100, the type and size of a film such as a new photo system (Advanced PhotoSystem, hereinafter simply referred to as APS), a 135-size negative (or reversal) film, and a film such as strips and slides. A dedicated carrier 130 that can be freely attached to the main body of the scanner 112 is prepared according to the form of the scanner 112. By replacing the carrier 130, it is possible to cope with various films and processes. An image (frame) photographed on the photographic film 24 and provided for printing is conveyed by the carrier 130 to a predetermined reading position. When the scanner 112 reads an image photographed on the photographic film 24, the reading light emitted from the light source 122 and adjusted in light amount by the variable aperture 124 is positioned at a predetermined reading position by the carrier 130. Incident on the photographic film 24,
By transmitting the light, projection light carrying an image photographed on the photographic film 24 is obtained.

The carrier 130 has a pair of transport rollers for transporting the photographic film 24 to a predetermined reading position, and a slit for regulating the projection light of the photographic film 24 into a predetermined slit shape in the same direction (main scanning direction) as the line CCD sensor. Having a mask having the following formula: The photographic film 24 is positioned at the reading position by the carrier 130, and receives the reading light while being conveyed with the longitudinal direction of the photographic film 24 aligned with the sub-scanning direction orthogonal to the main scanning direction. This allows
As a result, the photographic film 24 is two-dimensionally slit-scanned by the slit extending in the main scanning direction, and the image of each frame captured on the photographic film 24 is read.

A magnetic recording layer is formed on the APS film, and a magnetic head for recording / reading information on / from this magnetic recording layer is arranged on the carrier 130 corresponding to the APS film (cartridge). I have. The information recorded on the magnetic recording layer of the photographic film 24 is read by the magnetic head and sent to the image processing device 114 or the like.
And recorded on the magnetic recording layer of the photographic film 24 by the magnetic head. Further, the carrier 130 has a code reader for reading bar codes such as DX codes, extended DX codes, and FNS codes optically recorded on the photographic film 24 and various information optically recorded on the photographic film 24. Are arranged, and various kinds of information read by the code reader are sent to the image processing device 114.

As described above, the reading light is transmitted through the photographic film 24 held by the carrier 130 and becomes projection light for carrying an image.
2 forms an image on the light receiving surface of the image sensor 134. The image sensor 134 is a so-called three-line color CCD sensor having three line CCD sensors for reading R, G, and B images, respectively, and extends in the main scanning direction. The projection light of the photographic film 24 is separated into three primary colors of R, G, and B by the image sensor 134 and read photoelectrically. The output signal of the image sensor 134 is amplified by the amplifier 136, and the A / D converter 138
Are sent to the image processing device 114 as digital signals.

The scanner 112 reads an image photographed on the photographic film 24 by two image reading operations: a prescan for reading at a low resolution and a fine scan for obtaining image data of an output image. The pre-scan is performed under the pre-scan reading conditions set so that the image sensor 134 can read, as an input image, all film images targeted by the scanner 112 without saturation. On the other hand, the fine scan is performed under the fine scan reading conditions set for each frame from the pre-scan data so that the image sensor 134 is saturated at a density slightly lower than the minimum density of the image (frame). Therefore, the output signals of prescan and fine scan differ only in resolution and output level.

In the present invention, the scanner 112
The method is not limited to the one using the slit scanning, but may be the one using the surface exposure that reads the entire surface of one frame image at a time. In this case, for example, by using an area CCD sensor, between the light source and the film F,
Each color filter of R, G, and B is sequentially inserted, and the area CC
By reading the image with the D sensor, the image captured on the film may be separated into three primary colors and sequentially read. As described above, the output signal (image data) from the scanner 112 is input to the image processing device 114. Further, at the time of photographing by the camera 1, image data captured by the image sensor 18 and recorded on the image recording medium 32 is read by an image data reading device (not shown) and input to the image processing device 114.

Next, the operation of the first embodiment of the present invention will be described. In the present embodiment, the image sensor 18 of the camera 1 is a logarithmic CMOS sensor or the like and has a wide dynamic range. However, the resolution may be low. Normally, the image data picked up by the image pickup device 18 is used for monitor display on the display device 20, but the luminance value of this image data is used for exposure control when the camera 1 shoots on the photographic film 24. May be. Hereinafter, the photographing is performed in the automatic mode.

At the time of photographing, an image captured by the image pickup device 18 is input to the control device 16 and displayed on the display device 20. The control device 16 calculates an appropriate exposure amount based on the image data, activates the AE mechanism 14, and locks the AE. Subsequently, the AF mechanism 12 is operated so as to focus on the subject, and the image displayed on the display device 20 is displayed with the density changed according to the exposure value controlled by the AE mechanism 14. The photographer can predict a print image at the time of photographing from the displayed image.

When the shutter is depressed, an image is picked up by the image pickup device 18, the mirror is raised, the shutter is opened and closed according to the shutter speed, and a subject image is photographed on the photographic film 24. That is, the photographing on the photographic film 24 and the imaging of the same scene by the image sensor 18 are performed almost simultaneously. At this time, data such as an exposure control value is recorded on the magnetic recording layer of the photographic film 24 by the magnetic head 26A. The image data captured by the image sensor 18 is recorded on the image recording medium 32 from the control device 16. Information at the time of shooting, such as image data and an exposure control value imaged by the image sensor 18, as described below,
It is used when processing an image photographed on the photographic film 24.

The method of recording information at the time of photographing is not limited to the above, and various methods can be used. For example, without using the image recording medium 32 as described above,
The image data picked up by the image pickup element 18 may be compressed and recorded on the magnetic film 26 of the photographic film 24 using a magnetic head 26B, in a different magnetic recording layer from that used for recording the exposure control values and the like. Good. Alternatively, the information may be recorded on an IC attached or printed on a film cartridge. When an image recording medium different from a film is used as described above, data such as an exposure control value may be recorded on the image recording medium together with the image data captured by the image sensor 18. Good. Alternatively, the information is further stored in a memory in the control device 16 of the camera 1, and the camera is connected to a personal computer at the time of ordering a print, and is sent to a laboratory through a communication information network such as the Internet. Is also good.

At the time of ordering a print, the lab receives photographic information, such as image data and exposure control values, taken by the image pickup device 18 in addition to the photographic film 24 from which the image was taken. As described above, the method of receiving such information is not particularly limited, and there may be various methods. In the lab receiving the order, the operator mounts the carrier 130 corresponding to the photographic film 24 at a predetermined position of the scanner 112 and performs a pre-scan of the photographic film 24.

The prescan data is transferred to the image processing device 114.
, The image processing apparatus 114 creates a density histogram from the pre-scan data and calculates an image feature amount, and calculates a fine scan reading condition and an image processing condition. When the image processing conditions are set, the film is fine-scanned, and the image processing is performed on the fine scan data in the image processing device 114 in the usual manner under the set image processing conditions. . At this time, for example, the image processing device 114
Using the exposure control value read from the magnetic recording layer of the photographic film 24 or the image recording medium 32 and the image data of the image sensor 18, the image photographed on the photographic film 24 exceeds the appropriate dynamic range of the film. The area considered to be is determined.

As a result, for an area determined to exceed the appropriate range of the dynamic range of the film, the gradation correction is performed using the image data of the image sensor 18 instead of the image data photographed on the film. . The image data subjected to the image processing is converted into a form according to the output form, and output as a (finished) print from the printer 16. As described above, according to the present embodiment, an area that exceeds the appropriate range of the dynamic range of the film and is under- or over-exposed while maintaining the high resolution of the film as the basis is used for an image sensor having a wide dynamic range. By performing the gradation correction using the image data, the image quality of the under / over portion can be improved.

Next, a second embodiment of the present invention will be described. The configuration of a print system such as a camera and a photo printer is the same as in the first embodiment. In the present embodiment, exposure control in film photographing is performed with priority given to including an image photographed on film at the time of photographing within the dynamic range of the film.

In this embodiment, at the time of photographing by the camera 1, the control device 16 uses the luminance value of the image picked up by the image pickup device 18 so that the entire area on the screen falls within the dynamic range of the photographic film. Change the exposure control for shooting. That is, in this case, priority is given to making all the areas in the screen fall within the dynamic range of the film, so that the normal exposure control focusing on the main subject is changed exceptionally. In this manner, the exposure control is performed, and the photographing on the film and the image sensor 1
8 is performed. The image data and the exposure control value by the image sensor 18 are recorded as control information on a magnetic recording layer of a film or a predetermined recording medium.

The print processing in the laboratory is the same as in the first embodiment, and gradation correction is performed using control information recorded on a magnetic recording layer of a film or a recording medium.
In this embodiment, at this time, the gradation control of the other areas is performed while the main subject has the appropriate density. Here, the main subject is usually a person,
What is necessary is just to automatically extract and obtain the face of a person by a known method. Alternatively, when photographing with the camera 1, the photographer may specify the main subject by looking at the display device 20.

As described above, by controlling the exposure so that the entire area falls within the dynamic range of the film, it is possible to obtain an image free from skipping and blurring. Further, by controlling the main subject to have an appropriate density, a photographic print reflecting the intention of the photographer can be created.

Next, a third embodiment of the present invention will be described. This embodiment relates to a case where the dynamic range of the image sensor 18 of the camera 1 is not wide. At the time of automatic exposure control (AE) at the time of photographing with the camera 1, the photographing exposure of the image sensor 18 is controlled by giving importance to the luminance area corresponding to the foot or shoulder portion of the film characteristic curve. Things. That is, in the present embodiment, different exposure controls are applied to the case of shooting on film and the case of shooting with the image sensor 18.

For example, in the case where the sky area in the photographed image is likely to be over based on the film sensitivity and the exposure control value, in the imaging by the image pickup device 18, the exposure control is performed with emphasis on the sky area. Make an image.
Further, for example, in the case where the shaded area in the photographed image is slightly under, based on the film sensitivity and the exposure control value, in the imaging by the image sensor 18, the exposure control with emphasis on the shaded area is performed. I do. In this case, the exposure control values of the film shooting and the imaging by the image sensor are recorded.

In the print creation processing, image processing is performed as in the first embodiment. That is, for an image region exceeding the proper range of the dynamic range of the film, the gradation correction is performed using the image data of the image sensor 18 instead of the image data photographed on the film. By doing so, even when the dynamic range of the image sensor 18 is not wide, high-quality prints can be created even in areas where the dynamic range of the film deviates from an appropriate range, and all scenes can be printed. It is possible to eliminate shooting mistakes in shooting.

Next, a fourth embodiment of the present invention will be described. In the present embodiment, when shooting with the camera 1,
When the controller 16 estimates from the image data and the exposure control value of the image sensor 18 that an area likely to exceed the dynamic range of the film is present in the image, or at the time of printing, the photosensitive material (photographic paper) is used. When it is estimated that there is an area likely to exceed the dynamic range, a predetermined warning is displayed on the display device 20.

The method for displaying the above warning is not particularly limited, and various methods are conceivable. For example, a warning may be given to the photographer by changing the color of a specific area likely to exceed the dynamic range in the image displayed on the display device 20. Alternatively, the specific area may blink. Alternatively, a message may be displayed to indicate that the area is likely to exceed the dynamic range and an appropriate exposure cannot be obtained. Further, the photographing guide information may be displayed to alert the photographer.

In the present embodiment, only a warning is displayed, and subsequent actions are freely performed by the photographer. For example, if the photographer manually changes the aperture,
Once it comes within the proper range of dynamic range,
The warning is released, and appropriate shooting can be performed. At this time,
In order to make it easier for the photographer to take measures, some warning methods may be indicated in the warning sentence to allow the photographer to make a selection.

Although various embodiments have been described above, according to these embodiments, the image data obtained by the image sensor is used for a region that is likely to exceed the dynamic range of the film while maintaining the high resolution of the film. The tone correction is used to improve the image quality of under and over parts in the captured image, especially by preventing photographing mistakes, improving the image quality of the print and improving the intention of the photographer. It is possible to create a good print reflecting the image.

Further, a test shooting mode may be provided by performing a test shooting with an image pickup device, displaying an image on a display device, predicting a finished print, and providing a reference for shooting with a film. At this time, by displaying a simulation image when the exposure amount is variously changed on the display device, the photographer can determine the best exposure by himself and create a print reflecting the photographer's preference. can do.

The printing method is not limited to the silver salt method, but may be another method such as an ink jet method. The present invention can be similarly applied to image processing for display in addition to image processing for printing. that's all,
Although the camera and print system of the present invention have been described in detail, the present invention is not limited to the above examples, and various improvements and changes may be made without departing from the spirit of the present invention. It is.

[0048]

As described above, according to the present invention, it is possible to predict a print image from image data obtained by an image pickup device, based on a high resolution of a film.
It is possible to improve the image quality of the under part and the over part, prevent photographing errors, and create a high-quality print reflecting the photographer's intention.

[Brief description of the drawings]

FIG. 1 is a block diagram schematically showing an embodiment of a camera according to the present invention.

FIG. 2 is a block diagram showing a schematic configuration of a digital photo printer as one embodiment of a print system according to the present invention.

[Explanation of symbols]

 Reference Signs List 1 camera 10 photographing lens 12 automatic focusing (AF) mechanism 14 automatic exposure (AE) mechanism 16 control device 18 imaging device 20 display device 22 cartridge 24 photographic film 26A, 26B magnetic head 28 main mirror 30 sub mirror 32 image recording medium 34 light receiving Unit 100 print system 112 scanner 114 image processing device 116 printer 118 operation system 120 display 122 light source 124 variable aperture 128 diffusion box 130 carrier 134 image sensor 136 amplifier 138 A / D converter

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) G03B 17/24 GAP G03B 17/24 GAP 2H106 17/48 17/48 2H110 19/06 19/06 5C022 27 / 32 27/32 B 5C052 27/72 27/72 Z 5C053 H04N 1/407 H04N 5/225 A 5C077 5/225 5/76 E 5/76 G03B 19/12 5/91 H04N 101: 00 // G03B 19 / 12 1/40 101E H04N 101: 00 5/91 JHF term (reference) 2H002 DB01 DB02 DB07 DB14 DB19 DB24 DB26 DB27 EB09 FB22 FB26 FB55 FB70 FB71 FB81 GA57 GA59 HA28 JA09 2H054 AA01 BB07 2H102 AA01 AA21 AB17 BA27 BB01 CA01 CA11 2H103 AA01 AA21 AA23 AA31 BA05 BA07 ZA02 ZA12 ZA22 ZA42 ZA54 ZA55 ZA56 2H104 AA18 2H106 AA74 AB04 BA23 BA28 2H110 BA19 CB62 CD07 5C022 AA13 AB02 AB22 AC03 AC18 AC32 AC42 AC51 AC69 AC77 BA02 BA07 5C052 AA16 DD04 5C053 FA04 FA08 FA27 LA01 LA03 LA14 5C077 LL19 MP01 PP71 SS06 TT09

Claims (5)

[Claims] 1. An exposure device for exposing an image of a subject on a film, an image pickup device for taking an image of a subject and outputting image data to a predetermined image recording medium, and an exposure control value of a camera at the time of photographing on a predetermined recording medium. A camera, comprising: recording means for recording in a camera. 2. The camera according to claim 1, further comprising: an image display means for displaying an image photographed by said image sensor; and judging whether exposure conditions at the time of photographing are appropriate. And a warning means for displaying a warning on the image display means. 3. The warning means, when the density value of the image is likely to exceed the appropriate range of the dynamic range of the film at the time of photographing, or when the density value of the image is likely to exceed the appropriate range of the density reproduction range of the paper at the time of printing. 3. The camera according to claim 2, wherein an area which is likely to exceed an appropriate dynamic range is estimated, and a warning is displayed on said image display means. 4. A camera according to claim 1, wherein an image photographed on a film by said camera is input as image data, image processing is performed on said image data, and photographing is performed on said film. And a printer that outputs a reproduced image as a print.When performing image processing on the image data, the same scene as the image captured on the film is captured by the image sensor. A print system for performing tone correction using the image data and the exposure control value obtained as described above. 5. An area in which an image density value of an image photographed on the film is likely to exceed a proper range of a dynamic range of the film, based on image data obtained by photographing with the image sensor and the exposure control value. 5. The print system according to claim 4, wherein the gradation is corrected using image data obtained by photographing the area with the image sensor.