JPH08129249A - Photographing unit - Google Patents

Abstract

PURPOSE: To provide a photographing unit having high sensitivity and a high printing ratio of appropriate exposure and capable of improving the printing yield at a laboratory and the production efficiency. CONSTITUTION: In this photographing unit in which an unexposed silver halide color photosensitive material whose specified photographic sensitivity is >=640 is previously loaded and which is packaged in a photographing feasible state, the EV value of the photographing unit is 13.4 to 13.9 and the spectral transmittance in 400nm of a photographing lens 2 is <=85%.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a photographing unit loaded with a silver halide color light-sensitive material, and more particularly to a photographing unit having a high print yield.

[0002]

2. Description of the Related Art In recent years, a so-called lens-equipped camera (photographing unit), which is sold with a simple plastic camera loaded with a silver halide color light-sensitive material (hereinafter, also simply referred to as a light-sensitive material or a film), has become popular. Is coming. This freed us from the trouble of loading a film into an ordinary camera and the failure caused by a loading error, and increased the chances of taking photographs due to its simplicity. In addition, a strobe type, a telephoto type, an ultra wide-angle type, etc. have been developed and put into practical use according to the purpose of photography.

As is well known, a film with a lens is a photographing unit in which a photographic material is preliminarily loaded by a maker, and a user uses it only for photographing one photosensitive material loaded, and after the photographing is finished, the photographic unit is exposed. Since the materials are sent to the photo lab as they are,
The camera has a very simple structure and is priced low.

Therefore, these image pickup units are aimed at low cost, and unlike ordinary cameras, the drive system, optical system, and electric system are greatly simplified, so that the development finish and print quality are unsatisfactory. However, many improvements are desired.

In particular, a film with a lens loaded with a high-sensitivity silver halide color light-sensitive material having a specific photographic sensitivity of 640 or more takes advantage of the high sensitivity as compared with the conventional film, and underexposed prints are reduced. At first glance it seemed that the print yield had improved. However,
Perhaps because the general user's recognition that "film with a lens should be taken in sunny weather" has been widely established, conversely, overexposed negative films have continued, and it took too much time to print on color photographic paper at the photo lab. There is a problem that the activity of the developing solution varies in the developing process of the negative film whose production efficiency is drastically reduced and the amount of the replenisher needs to be readjusted, which is troublesome. In addition, a negative film that is excessively overexposed is not preferable because it has poor gradation reproducibility even if it is printed for a long time.

As a measure against the above problem, it is often thought that the fixed aperture of the camera body of the film with a lens may be narrowed down or the shutter speed may be increased, but general snap shots occupy most of the fixed focus. There is no point in using a high-sensitivity film for the lens-equipped film. It is desired to reduce underexposed prints and also overexposed prints.

[0007]

SUMMARY OF THE INVENTION An object of the present invention is to provide a photographing unit having a high sensitivity and a high proper exposure print ratio, and another object of the present invention is to provide a print unit at a photo lab. An object of the present invention is to provide a photographing unit capable of improving the production rate and the production efficiency.

[0008]

The above object of the present invention can be achieved by the following constitutions.

1. In a photographing unit in which an unexposed silver halide color light-sensitive material having a specific photographic sensitivity of 640 or more is preloaded and packaged in a photographable state, the EV value of the photographing unit is 13.4 or more and 13.9 or less, and
An imaging unit characterized by having a spectral transmittance of less than 85% at 400nm.

[0010] 2. The shutter speed constituting the EV value is 1/150 or more and 1/100 or less, 1
The photographing unit described in the item.

3. The fixed aperture value that constitutes the EV value is 9.5
The photographing unit described in 1 or 2 above, which is 11.5 or less.

4. 4. The photographing unit according to the above 1, 2 or 3, wherein the photographing lens is a plastic lens containing at least one kind of ultraviolet absorber.

The present invention will be described in detail below.

In the present invention, the EV value is 13.4 or more and 13.9 or less, and preferably 13.6 or more and 13.8 or less.

In the present invention, the EV value (exposure value) is the same as a general definition, and the aperture value (F)
And a shutter speed (Tsec), which is a value indicating the ability to pass a light amount, and is represented by the following formula.

2 ^EV = F ² / T An appropriate EV value is determined by the brightness of the subject and the sensitivity of the film (photosensitive material). Therefore, according to the present invention, since the unexposed film having the specific sensitivity is loaded in a shooting ready state in advance, the EV value can be set so that the user can obtain a satisfactory picture.

The fixed aperture value and the fixed shutter speed for determining the EV value within the range of the present invention are as follows.

In the present invention, the fixed aperture value is not limited as long as the EV value falls within the range of the present invention, but is preferably 9.5 or more and 11.5 or less. In the present invention, the shutter speed is not limited as long as the EV value falls within the range of the present invention, but is preferably 1/150 or more and 1/100 or less.

The specific photographic sensitivity of the light-sensitive material in the present invention is determined according to the test method described below.

(1) Test conditions The test is conducted in a room at a temperature of 20 ± 5 ° C. and a relative humidity of 60 ± 10%.
The photosensitive material to be tested is left in this state for 1 hour or more before use.

(2) Exposure The relative spectral energy distribution of the reference light on the exposure surface is as shown in Table 1.

[0022]

[Table 1]

The illuminance change on the exposed surface is performed by using an optical wedge, and in any part of the optical wedge to be used, the variation of the spectral transmission density is within 10% in the wavelength range of 360 to 700 nm and within 10% in the region of 400 nm or more. Use within 5%.

The exposure time is 1/100 second.

(3) Development processing From exposure to development processing, the photosensitive material to be tested is kept at a temperature of 20 ± 5 ° C. and a relative humidity of 60 ± 10%.

The development process is completed within 30 minutes or more and 6 hours after exposure.

The development process is performed as follows.

Color development: 3 minutes 15 seconds 38.0 ± 0.1 ° C Bleaching: 6 minutes 30 seconds 38.0 ± 3.0 ° C Water washing: 3 minutes 15 seconds 24-41 ° C Fixing: 6 minutes 30 seconds 38.0 ± 3.0 ° C Water washing 3 minutes 15 seconds 24 to 41 ° C Stable 3 minutes 15 seconds 38.0 ± 3.0 ° C Drying 50 ° C or less The composition of the treatment liquid used in each step is shown below.

(Color developer) 4-amino-3-methyl-N-ethyl-N- (β-hydroxyethyl) -aniline / sulfate 4.75 g anhydrous sodium sulfite 4.25 g hydroxylamine / 1/2 sulfate 2.0 g Anhydrous potassium carbonate 37.5 g Sodium bromide 1.3 g Nitrilotriacetic acid trisodium salt (monohydrate) 2.5 g Potassium hydroxide 1.0 g Water is added to make 1 liter. (PH = 10.1) (Bleaching solution) Ethylenediaminetetraacetic acid iron (III) ammonium salt 100.0g Ethylenediaminetetraacetic acid diammonium salt 10.0g Ammonium bromide 150.0g Glacial acetic acid 10.0g Adjust to = 6.0.

(Fixer) Ammonium thiosulfate 175.0 g Anhydrous sodium sulfite 8.5 g Sodium metasulfite 2.3 g Water is added to make 1 l, and pH is adjusted to 6.0 with acetic acid.

(Stabilizing liquid) Formalin (37% aqueous solution) 1.5 ml Conidax (manufactured by Konica Corporation) 7.5 ml Water is added to make 1 liter.

(4) Concentration measurement The concentration is represented by log ₁₀ (φ ₀ / φ). φ ₀ is an illumination light flux for density measurement, and φ is a transmitted light flux of the measured portion. The geometric condition for density measurement is that the illumination light flux is a parallel light flux in the normal direction, and the standard is to use the total light flux that is transmitted as a transmitted light flux and diffused in a half space, and standard when other measurement methods are used. Correct with density strips. Also, during the measurement, the emulsion film surface shall face the light receiving device side. Density measurement is blue,
The green and red status M densities are set, and the spectral characteristics thereof are set to the values shown in Table 2 as the overall characteristics of the light source, optical system, optical filter, and light receiving device used in the densitometer.

[0033]

[Table 2]

(5) Determination of Specific Photographic Sensitivity The specific photographic sensitivity is determined by the following procedure using the results of processing and density measurement under the conditions shown in (1) to (4).

The exposure amounts corresponding to the densities higher by 0.15 with respect to the minimum densities of blue, green, and red are expressed in lux · second, and are H _B , H _G , and H _R , respectively, H _B and H _R The higher value (lower sensitivity) is H
_The specific photosensitivity S which is S is calculated according to the following formula.

[0036] _{S = (2 / H G ×} H S) sensitivity difference ^1/2 red-sensitive layer when the red exposure and a green-sensitive layer Δ
S _RG is obtained by the following method.

ΔS _RG = (S _RG −S _RR ) − (S _NG −S _NR ) S _RR : Sensitivity of the red photosensitive layer upon red exposure S _RG : Sensitivity of the green photosensitive layer upon red exposure S _NR : Sensitivity of red photosensitive layer upon white exposure S _NG : Sensitivity of green photosensitive layer upon white exposure All sensitivities are expressed as logarithmic value logE of exposure amount E with respect to the density of D _min +0.3.

In the present invention, the spectral transmittance of the photographing lens of the photographing unit main body at a spectral wavelength of 400 nm is 85% or less, and preferably 50% or more and 80% or less. To adjust the spectral transmittance, the surface of the taking lens is coated with an ultraviolet absorber, an ultraviolet absorbing film is installed before or after the taking lens or between lens groups, or an ultraviolet absorber is added to the taking lens. Can be achieved by In order to simplify the assembly process of the photographing unit, it is preferable to add an ultraviolet absorber into the plastic lens.

When a plastic lens is used in the present invention, it is preferably composed of an acrylic resin, a polystyrene resin, a polycarbonate resin, or a copolymer thereof.

In the present invention, as the ultraviolet absorber, any known one can be used without limitation as long as it has an absorption at 400 nm, but one having a large absorption in the visible region is not preferable. That is, since those that can perceive color with the naked eye deteriorate the color reproduction of photographs, those used for photography are preferable. Preferred ultraviolet absorbers in the present invention are those represented by the following general formulas (I) (II) (III) (IV) (V) (VI).

[0041]

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In the formula, R _{1 to} R _{5 each} represent a hydrogen atom, a halogen atom, a nitro group, a hydroxyl group, or an alkyl group having 1 to 18 carbon atoms, an alkoxy group, an allyl group or an allyloxy group.

[0043]

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In the formula, R _{6 to} R ₇ represent a hydrogen atom or an alkyl group, and R ₈ represents an alkyl group or an aryl group.
A and B each _{-CN, -SO 2 R 25, -COOR} 26, -CO
A group represented by N (R ₂₇ ) (R ₂₈ ), or —COR ₂₉ (R ₂₅ and R _25
26 represents an alkyl group or an aryl group,
R ₂₇ and R ₂₈ each represent a hydrogen atom, an alkyl group or an aryl group, and R ₂₉ represents an alkyl group or an aryl group. ) Represents.

[0045]

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In the formula, R _{9 to} R ₁₂ each represent a hydrogen atom or an alkyl group, R ₁₃ represents an alkyl group or an aryl group, R ₁₄ and R ₁₅ each represent a hydrogen atom, an alkyl group or an aryl group, G represents an electron-withdrawing group.

[0047]

[Chemical 4]

In the formula, n is 1 or 2, and when n is 1, R ₁₆ and R ₁₇ may be the same or different from each other,
1 to 10 carbon atoms including hydrogen atom, -CN, and substituted alkyl group
Having 6 to 6 carbon atoms, including an alkyl group having a cyanoalkyl group, an alkoxyalkyl group, a substituted aryl group
It represents an aryl group or a cyclic alkyl group having 20 groups. However, R ₁₆ and R ₁₇ are not obtained happens at the same time a hydrogen atom, when it is further bonded R ₁₆ and R ₁₇ are a cyclic amino group, for example a piperidino group, a morpholino group, a pyrrolidino group, a hexahydroazepino Group and an atomic group necessary for forming a piperazino group, and when n is 2, R ₁₆ and R ₁₇ represent an alkyl group or an aryl group, G represents an electron withdrawing group such as —CN or —SO ₂ R (wherein R is an alkyl group having 1 to 10 carbon atoms or an arylalkyl group having 7 to 15 carbon atoms).

[0049]

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In the formula, R ₁₈ represents a hydrogen atom, an alkyl group having 1 to 5 carbon atoms or a halogen atom, R ₁₉ represents a hydrogen atom,
It represents an alkyl group having 1 to 5 carbon atoms or an aryl group having 6 to ₂₀ carbon atoms, and R ₂₀ represents an alkyl group having 12 to 18 carbon atoms.

[0051]

[Chemical 6]

In the formula, n is 1 or 2, and when n is 1, R ₂₁ and R ₂₂ may be the same or different from each other,
It represents a hydrogen atom, an alkyl group having 1 to 18 carbon atoms, or an aryl group having 6 to 20 carbon atoms. However, R ₂₁ and R ₂₂ do not become hydrogen atoms at the same time. R ₂₃ is -COOH,-
COOR ₃₀ , -COR ₃₀ or -SO ₂ R ₃₀ is represented, and R ₂₄ is -COO.
H, —COOR ₃₁ and —COR ₃₁ are represented, and R ₃₀ and R ₃₁ each represent an alkyl group having 1 to 18 carbon atoms or an aryl group having 6 to 20 carbon atoms. When n is 2, at least one of R ₂₁ , R ₂₂ and R ₂₃ may represent an alkylene group or an arylene group to form a dimer. R ₂₄ is the same as R ₂₄ above.

Specific compounds of the present invention are listed below.
The present invention is not limited to these.

[0054]

[Chemical 7]

[0055]

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[0056]

[Chemical 9]

[0057]

[Chemical 10]

[0058]

[Chemical 11]

[0059]

[Chemical 12]

In the present invention, when the ultraviolet absorber is added to the plastic lens, it may be added in an amount that achieves the spectral transmittance of the present invention.
It is 001 to 10% by weight, preferably 0.02 to 5% by weight, and more preferably 0.2 to 3% by weight.

The support used in the light-sensitive material according to the present invention includes a film made of a semi-synthetic or synthetic polymer such as cellulose acetate, cellulose nitrate, polystyrene, polyvinyl chloride, polyethylene terephthalate, polyethylene naphthalate, polycarbonate and polyamide. And so on.

The silver halide emulsion used in the present invention is
What is described in Research Disclosure (referred to as RD) 308119 can be used.

The places described below are shown.

[0064] In the present invention, the silver halide emulsion used is one that has been physically ripened, chemically ripened and spectrally sensitized. Additives used in such processes are described in RD17643, 18716 and 308119.

The places described below are shown.

[Item] [Page of RD308119] [RD17643] [RD18716] Chemical sensitizer 996 III-A 23 648 Spectral sensitizer 996 IV-AA, B, C, D, H, I, J 23-24 648-9 Supersensitizer 996 IV-AE, J Item 23-24 648-9 Antifoggant 998 VI 24-25 649 Stabilizer 998 VI 24-25 649 Known photographic materials usable in the present invention Additives are also listed in the RD above.

The following are relevant descriptions.

[Item] [Page of RD308119] [RD17643] [RD18716] Color turbidity inhibitor 1002 VII-I item 25 650 Dye image stabilizer 1001 VII-J item 25 Whitening agent 998 V 24 UV absorber 1003 VIII -C, XIII C Item 25-26 Light absorber 1003 VIII 25-26 Light scattering agent 1003 VIII Filter dye 1003 VIII 25-26 Binder 1003 IX 26 651 Antistatic agent 1006 XIII 27 650 Hardener 1004 X 26 651 Plasticizer 1006 XII 27 650 Lubricant 1006 XII 27 650 Matting agent 1007 XVI Developer (included in light-sensitive material) 1011 XXB Various couplers can be used in the invention, and specific examples thereof are described in RD above. There is. The relevant locations are shown below.

[Item] [Page of RD308119] [RD17643] [RD18716] Yellow coupler 1001 VII-D item VIIC-G item Magenta coupler 1001 VII-D item VIIC-G item Cyan coupler 1001 VII-D item VIIC-G Item Colored coupler 1002 VII-G item VIIG item DIR coupler 1001 VII-F item VIIF item BAR coupler 1002 VII-F item Other useful residue releasing coupler 1001 VII-F item Alkali-soluble coupler 1001 VII-E item The agent can be added by the dispersion method described in RD308119XIV.

In the present invention, the above-mentioned RD17643, page 28, R
The supports described in D18716, pages 647-8 and RD308119, XIX, can be used.

The photographic film may be provided with auxiliary layers such as the filter layer and the intermediate layer described in the above item RD308119VII-K.

The light-sensitive material of the present invention is the above-mentioned RD308119VII-K.
Various layers and configurations such as the forward layer, the reverse layer, and the unit configuration described in the section can be adopted.

The light-sensitive material of the present invention is the same as RD17643 28-2.
Development can be carried out by a usual method described on page 9, RD18716, page 647, and RD308119, XIX.

[0074]

EXAMPLES Examples of the present invention will be shown below, but the invention is not limited thereto.

FIG. 1 is a sectional view of a camera showing the configuration of an embodiment of the present invention. In the figure, 1 is a camera body, 2 is a photographing plastic lens, and the focal length f of the lens is f = 28 to 32
mm, an F number of 9 or more plastic single lens, 3 is a fixed aperture provided immediately behind the taking lens 2, 4 is installed further behind the taking lens 2, and operates at a shutter speed of about 1/100 sec. It is a shutter.

A film supply chamber 11 is provided on the left and right of the camera body 1.
There is a film winding chamber 12 and a film F having a specific photographic sensitivity of 800, which is wound in the film supply chamber 11, is a film having a screen frame whose film transport direction is the screen longitudinal direction. One sheet is exposed in the transport path 13 and wound into a cartridge P in the film winding chamber 12. The film transport path has a radius R = 130 mm in which the longitudinal direction of the screen is curved so as to correct the curvature of the image plane caused by the taking lens 2.
It is formed in the following cylindrical shape.

The camera thus constructed has a thin thickness D ₁ of 26 mm or less in the front-rear direction and a thickness D ₂ of 30 mm or less in the lens portion as well, and has a shape excellent in portability. be able to.

FIG. 2 is a sectional view of a taking lens showing one embodiment of the present invention.

Example 1 (Preparation of a light-sensitive material) A multilayer color light-sensitive material sample 10 was prepared by forming each layer having the composition shown below on a transparent support (polyethylene naphthalate film) having a thickness of 90 μm and undercoated.
Created 1.

(Composition of photosensitive layer) The coating amount is the amount expressed in g / m ² unit in terms of metallic silver for silver halide and colloidal silver, and g / m for couplers, additives and gelatin. The amount added in m ² unit is also shown for the sensitizing dye in terms of moles per mole of silver halide in the same layer.

First layer: antihalation layer Black colloidal silver 0.16 UV absorber (UV-1) 0.20 High boiling point solvent (Oil-1) 0.20 Gelatin 1.23 Second layer: Intermediate layer Compound (SC-1) 0.15 High boiling point solvent (Oil-2) 0.17 Gelatin 1.27 Third layer: low-sensitivity red-sensitive layer Silver iodobromide emulsion (average grain size 0.38 μm, silver iodide content 8.0 mol%) 0.50 Silver iodobromide emulsion (average grain size 0.27 μm , Silver iodide content 2.0 mol%) 0.21 Sensitizing dye (SD-1) 2.8 × 10 ^-4 Sensitizing dye (SD-2) 1.9 × 10 ^-4 Sensitizing dye (SD-3) 1.9 × 10 ^-5 Sensitizing dye (SD-4) 1.0 × 10 ^-4 Cyan coupler (C-1) 0.48 Cyan coupler (C-2) 0.14 Colored cyan coupler (CC-1) 0.021 DIR compound (D-2) 0.020 High boiling solvent ( Oil-1) 0.53 Gelatin 1.30 4th layer: Medium-sensitive red-sensitive layer Silver iodobromide emulsion (average grain size 0.52 μm, silver iodide content 8.0 mol%) 0.62 Silver iodobromide emulsion (average grain size 0.3 8 μm, silver iodide content 8.0 mol%) 0.27 Sensitizing dye (SD-1) 2.3 × 10 ⁻⁴ Sensitizing dye (SD-2) 1.2 × 10 ⁻⁴ Sensitizing dye (SD-3) 1.6 × 10 ^{− 5} Sensitizing dye (SD-4) 1.2 × 10 ^-4 Cyan coupler (C-1) 0.15 Cyan coupler (C-2) 0.18 Colored cyan coupler (CC-1) 0.030 DIR compound (D-2) 0.013 High boiling point solvent (Oil-1) 0.30 Gelatin 0.93 Fifth layer: High-sensitivity red-sensitive layer Silver iodobromide emulsion (average grain size 1.5 μm, silver iodide content 8.0 mol%) 1.27 Sensitizing dye (SD-1) 1.3 × 10 ^-4 Sensitizing dye (SD-2) 1.3 × 10 ^-4 Sensitizing dye (SD-3) 1.6 × 10 ^-5 Cyan coupler (C-2) 0.12 Colored cyan coupler (CC-1) 0.013 High boiling solvent (Oil -1) 0.14 Gelatin 0.91 6th layer: Intermediate layer Compound (SC-1) 0.09 High boiling point solvent (Oil-2) 0.11 Gelatin 0.80 7th layer: Low sensitivity green sensitive layer Silver iodobromide emulsion (average grain size 0.30 μm ， Silver iodide content 4.0 0.12 Silver iodobromide emulsion (average grain size 0.42 μm, silver iodide content 6.0 mol%) 0.38 Magenta coupler (M-1) 0.41 Colored magenta coupler (CM-1) 0.12 High boiling point solvent (Oil-2 ) 0.33 Gelatin 1.95 Eighth layer: Medium sensitivity green sensitive layer Silver iodobromide emulsion (average grain size 0.42 μm, silver iodide content rate 6.0 mol%) 0.30 Silver iodobromide emulsion (average grain size 0.55 μm, silver iodide) Content ratio 6.0 mol%) 0.34 Magenta coupler (M-2) 0.12 Colored magenta coupler (CM-2) 0.070 DIR compound (D-2) 0.025 DIR compound (D-3) 0.002 High boiling point solvent (Oil-2) 0.10 Gelatin 1.00 9th layer: High-sensitivity green-sensitive layer Silver iodobromide emulsion (average grain size 1.5 μm, silver iodide content 6.0 mol%) 0.95 Magenta coupler (M-2) 0.10 Colored magenta coupler (CM-1) 0.012 High Boiling point solvent (Oil-2) 0.10 Gelatin 1.00 10th layer: Yellow filter layer Yellow Id silver 0.08 Color stain inhibitor (SC-2) 0.15 Formalin scavenger (HS-1) 0.20 High boiling point solvent (Oil-2) 0.19 Gelatin 1.10 11th layer: Intermediate layer Formalin scavenger (HS-2) 0.20 Gelatin 0.60 12th Layer: Low-sensitivity blue-sensitive layer Silver iodobromide emulsion (average grain size 0.38 μm, silver iodide content rate 8.0 mol%) 0.22 Silver iodobromide emulsion (average grain size 0.27 μm, silver iodide content rate 2.0 mol%) 0.03 Sensitizing dye (SD-4) 4.2 × 10 ^-4 Sensitizing dye (SD-5) 6.8 × 10 ^-5 Yellow coupler (Y-1) 0.75 DIR compound (D-1) 0.010 High boiling point solvent (Oil-2 ) 0.30 Gelatin 1.20 13th layer: Middle-sensitive blue-sensitive layer Silver iodobromide emulsion (average grain size 0.59 μm, silver iodide content 8.0 mol%) 0.30 Sensitizing dye (SD-4) 1.6 × 10 ^-4 sensitizing Dye (SD-6) 7.2 × 10 ^-5 Yellow coupler (Y-1) 0.10 DIR compound (D-1) 0.010 High boiling point solvent (Oil-2) 0.046 Gelatin 0.47 Layer 14: High sensitivity Blue-Sensitive Layer Silver iodobromide emulsion (average particle size 1.5 [mu] m, silver iodide content 8.0 mol%) 0.85 Sensitizing dye (SD-4) 7.3 × 10 -5 Sensitizing dye (SD-6) 2.8 × 10 - ⁵ Yellow coupler (Y-1) 0.11 High boiling point solvent (Oil-2) 0.046 Gelatin 0.80 15th layer: 1st protective layer Silver iodobromide (average grain size 0.08 μm, silver iodide content 1.0 mol%) 0.40 UV Absorber (UV-1) 0.26 Ultraviolet absorber (UV-2) 0.13 High boiling point solvent (Oil-1) 0.07 High boiling point solvent (Oil-3) 0.07 Formalin scavenger (HS-1) 0.40 Formalin scavenger (HS-3) 0.10 Gelatin 1.31 16th layer: 2nd protective layer Alkali-soluble matting agent (PM-1, average particle size 2 μm) 0.15 Polymethylmethacrylate (average particle size 3 μm) 0.04 Sliding agent (WAX-1) 0.04 Gelatin 0.55 The light-sensitive material further comprises compounds SU-1, SU-2,
SU-3, SU-4, viscosity modifier, hardener H-1, H-2,
Stabilizer ST-1, antifoggant AF-1, AF-2 (weight average molecular weight 10,000 and 1,100,000), dye AI-
1, AI-2, AI-3 and compound DI-1 (9.4 mg / m ² ).

The structures of the compounds added to the respective layers of the above light-sensitive material are shown below.

SU-1: Dioctyl sulfosuccinate / sodium SU-2: Sodium tri-i-purpyrunaphthalene sulfonate SU-3: N-perfluorooctylsulfonyl-N-purpyruglycine / sodium SU-4: Trimethyl・ 3-Octylsulfonamidopropylammonium bromide H-1: 2,4-dichloro-6-hydroxy-s-triazine / sodium H-2: di (vinylsulfonylmethyl) ether ST-1: 4-hydroxy-6-methyl -1,3,3a, 7-Tetrazaindene AF-1: 1-phenyl-5-mercaptotetrazole AF-2: Poly-N-vinylpyrrolidone Oil-1: Dioctylphthalate Oil-2: Tricresylphosphate Oil- 3: Dibutyl phthalate HS-1: 1- (3-sulfophenyl) -3-methyl-5-imino-2-
Pyrazoline HS-2: 4-Ureidohydantoin HS-3: Hydantoin

[0084]

[Chemical 13]

[0085]

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[0086]

[Chemical 15]

[0087]

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[0088]

[Chemical 17]

[0089]

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[0090]

[Chemical 19]

After the completion of photographing by each photographing unit, each photosensitive material was taken out and the following development processing was performed.

[0092] The replenishment amount is a value per 1 m ² of the photographic light-sensitive material.

The color developing solution, the bleaching solution, the fixing solution, the stabilizing solution and the replenishing solution thereof were prepared as follows.

Color developer and color developer replenisher Replenisher Water 800cc 800cc Potassium carbonate 30g 35g Sodium hydrogencarbonate 2.5g 3.0g Potassium sulfite 3.0g 5.0g Sodium bromide 1.3g 0.4g Potassium iodide 1.2mg-hydroxylamine sulfate 2.5g 3.1g Sodium chloride 0.8g-4-Amino-3-methyl-N-ethyl-N- (β-hydroxyethyl) aniline sulfate 4.5g 6.3g Potassium hydroxide 1.2g 2.0g Diethylenetriaminepentaacetic acid 3.0g 3.0g Water was added to make 1 liter, and the pH was adjusted to 10.06 with potassium hydroxide or 20% sulfuric acid, and the replenisher was adjusted to pH 10.18.

Bleaching solution and bleaching replenishing solution Replenishing solution Water 700cc 700cc 1,3-Diaminopropanetetraacetic acid iron (III) ammonium 125g 175g ethylenediaminetetraacetic acid 2g 2g sodium nitrate 40g 50g ammonium bromide 150g 200g glacial acetic acid 40g 56g Water was added. The total volume was adjusted to 1 liter, pH was adjusted to 4.4 using aqueous ammonia or glacial acetic acid, and the replenisher was adjusted to pH 4.0.

Fixer and fixer replenisher Replenisher Water 800cc 800cc Ammonium thiocyanate 120g 150g Ammonium thiosulfate 150g 180g Sodium sulfite 15g 20g Ethylenediaminetetraacetic acid 2g 2g After adjusting to pH 6.5 together with ammonia water or glacial acetic acid, water Was added to make 1 liter.

Stabilizer and stable replenisher water 900 cc p-octylphenol / ethylene oxide 10 mol adduct 2.0 g dimethylolurea 0.5 g hexamethylenetetramine 0.2 g 1,2-benzisothiazolin-3-one 0.1 g siloxane (UCC L-77 ) 0.1 g ammonia water 0.5 cc water was added to make 1 liter, and the pH was adjusted to 8.5 with ammonia water or 50% sulfuric acid.

The ultraviolet absorber I is contained in the plastic lens (polymethylmethacrylate) of the body of the photographing unit shown in FIG.
-(4) was added to make the light transmittance at a spectral wavelength of 400 nm 80%, and the EV value was changed by changing the fixed aperture value and the fixed shutter speed as follows. Sample 101 Created ~ 109. The specific photographic sensitivity of the light-sensitive material of each sample was 800.

Sample No. Fixed aperture value Shutter speed EV value Spectral transmittance Remark 101 101 9.5 1/100 13.1 80% Comparative example 102 10.5 1/100 13.4 80% Invention 103 11.5 1/100 13.7 80% Invention 104 9.5 1 / 125 13.5 80% Invention 105 10.5 1/125 13.8 80% Invention 106 11.5 1/125 14.0 80% Comparative Example 107 9.5 1/150 13.7 80% Invention 108 10.5 1/150 14.0 80% Comparative Example 109 9.5 1 / 200 14.1 80% Comparative Example Each of the above shooting units was loaded with an unexposed early-stage color negative film (135 size standard 36-shot standard patrone). The photographing unit samples 101 to 109 were subjected to arbitrary snap photographing, and the satisfaction of the prints produced as described below was evaluated. The evaluation criteria are as follows: When each judge judges 100 prints and a satisfactory print is a: Satisfaction (%) = (a / 100) × 100.

[0100] Example 2 Samples 201 to 20 were prepared in the same manner except that the plastic lenses of the imaging unit bodies of Samples 101, 102 and 109 of Example 1 were changed as follows for the spectral transmittance at a spectral wavelength of 400 nm.
3,204-206,207-209 were produced.

Sample No. Fixed aperture value Shutter speed EV value Spectral transmittance Remark 201 9.5 1/100 13.1 75% Comparative example 202 9.5 1/100 13.1 85% Comparative example 203 9.5 1/100 13.1 90% Comparative example 204 10.5 1 / 100 13.4 75% Invention 205 10.5 1/100 13.4 85% Invention 206 10.5 1/100 13.4 90% Comparative Example 207 9.5 1/200 14.1 75% Comparative Example 208 9.5 1/200 14.1 85% Comparative Example 209 9.5 1 / 200 14.1 90% Comparative Example The result of evaluation of satisfaction as in Example 1 is shown below.

Satisfaction (%) Sample No. Judge A Judge B Judge C Remark 201 89 86 86 Comparative example 202 89 86 83 Comparative example 203 89 86 83 Comparative example 204 94 94 94 Invention 205 92 92 92 Invention 206 92 89 89 Comparative Example 207 89 89 86 Comparative Example 208 89 89 86 Comparative Example 209 89 89 89 Comparative Example As is clear from the above results, it is understood that the present invention is relatively superior. .

Example 3 Samples 301 and 302 were prepared in the same manner as the sample 102 of Example 1 except that the EV value was kept constant and the fixed aperture value and the shutter speed were changed as follows.

Sample No. Fixed aperture value Shutter speed EV value Spectral transmittance Remark 301 9.0 1/135 13.4 80% Invention 302 12.0 1/75 13.4 80% Invention 102 10.5 1/100 13.4 80% Invention satisfaction ( %) Sample A B C 301 92 90 90 302 91 91 90 102 94 92 92 From the above results, it is understood that the fixed aperture value of 9.5 or more and 11.5 or less exerts the effect of the present invention.

[0105]

As described above, the photographing unit according to the present invention has high sensitivity, has a high print ratio of proper exposure, can improve the print yield at the developing station, and can improve the production efficiency.

[Brief description of drawings]

FIG. 1 is a sectional view of a camera showing an embodiment of the present invention.

FIG. 2 is a cross-sectional view of a taking lens showing an embodiment of the present invention.

[Explanation of symbols]

 1 Camera Main Body 2 Photographic Lens 3 Fixed Aperture 4 Shutter 11 Film Supply Room 12 Film Winding Room 13 Film Conveying Path

Claims (4)

[Claims] 1. A photographing unit in which an unexposed silver halide color light-sensitive material having a specific photographic sensitivity of 640 or more is preloaded and packaged in a photographable state, and the EV value of the photographing unit is 13.4 or more and 13.9 or less, And shooting lens 40
An imaging unit characterized by having a spectral transmittance of 0% or less at 0 nm. 2. The shutter speed constituting the EV value is 1
It is / 150 or more and 1/100 or less, The claim 1 characterized by the above-mentioned.
The shooting unit described. 3. The photographing unit according to claim 1, wherein the fixed aperture value forming the EV value is 9.5 or more and 11.5 or less. 4. The photographing unit according to claim 1, wherein the photographing lens is a plastic lens containing at least one kind of ultraviolet absorber.