JPH07154662A - Hybrid camera - Google Patents

Abstract

PURPOSE:To provide a hybrid camera of a longitudinal form with a small size, excellent operability and design performance and high space utilizing efficiency of containment of constituting elements and components in which still video image pickup and silver salt film image pickup are both implemented. CONSTITUTION:An image pickup optical system 1, a main mirror 2, and a film box 10 are arranged in this order in a box shaped camera whose lateral width is L, whose longitudinal width is H, whose front rear width is D in which they have a relation of L<=H<D, and a reduction optical system 2 and a solid- state image pickup element 4 are arranged on an upper oblique front side of the main mirror 2 in this way, an electronic finder section 19 is provided to an upper rear part of the camera and an information recording unit 20 is arranged on the side face of the camera.

Description

Detailed Description of the Invention

[0001]

INDUSTRIAL APPLICABILITY The present invention is capable of shooting with a silver salt film and still video shooting in which an object image is converted into an electric signal and recorded, and either one of them is selected or both of them are selected. The present invention relates to a hybrid camera that enables simultaneous shooting.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 4, in a single-lens reflex camera 50 in which a pentaprism built-in finder portion is detachable, the finder portion is removed and a relay lens system and a photoelectric converter 51 are integrated in the mounting portion. The image pickup unit 52 is attached, the finder image is converted into an electric signal by the photoelectric converter 51, and the electric signal is input to the CRT 53 or the VTR 54. If necessary, the single-lens reflex camera 50 records and records on the silver salt film 55. (Actual fair 4-32
851).

Further, as shown in FIG. 5, a half prism 61 is disposed behind the taking lens 60 and the same lens, and an image pickup device 62 for receiving the light dispersed by the half prism 61, the same driving circuit 63 and a recording medium. The lens unit 65 in which the recording section 64 including the
It is mounted on the lens mount 67 of No. 6 so that the image can be electronically picked up and recorded, and the silver salt film 68 can also be picked up (JP-A-4-216276).

[0004]

However, in the prior art, the former is designed such that the pentaprism portion of the existing single-lens reflex camera 50 is removed and the image pickup unit 52 is placed at the same position, so that the camera head is large and the balance is high. It becomes a poor product, the operability and design are poor, and the weight increases. In addition, the recording section of the VTR 54 and the like must be separately connected by the cord 56 and the like, and the mobility is extremely poor. Further, since the CRT 53 such as a TV monitor is also separately connected instead of the finder to photograph while viewing, the camera device system has different functions. In addition, the recording section and the monitor section require separate power supplies, which is very inconvenient.

Next, in the latter conventional example, the image pickup section 62
In the system in which the recording unit 64 and the recording unit 64 are incorporated into the lens unit 65, the half prism 61 divides the light rays and guides the light to the image capturing unit 62 and the single-lens reflex camera unit 66, so that the light amount is halved in both cases and a dark image It affects the exposure, and the shooting area is narrowed down, and the viewfinder becomes dark, which makes it difficult to use. In addition, this lens unit 65
The attached camera becomes large and heavy and has problems in operability and maneuverability.

Further, in the case of using the same photographing optical system of the above-mentioned conventional example, there is a big problem that the photographing range greatly differs because the image pickup device and the film have different screen sizes.

[0007]

SUMMARY OF THE INVENTION The present invention aims to solve these problems of the prior art, and has a horizontal width L and a vertical width H.
A box-shaped camera having a front-rear width D of L ≦ H <D, in which a photographing optical system is provided in a front region of the camera, a main mirror is provided in a rear region of the camera, and a silver film is provided behind the main mirror. A focal plane of a salt film and a film box are arranged, a solid-state image sensor is obliquely above and above the main mirror, an electronic finder portion is above the film box, and a plate-like information recording is on the side of the film box. An information recording unit capable of vertically storing a medium is arranged, and a camera operation part including a shutter button and a zoom lever, a display part on the rear upper part of the outer surface of the camera, and an operation mode key part on the last part are provided. A hybrid camera characterized by the above.

Further, a reduction optical system for changing the image magnification to obtain the same angle of view as the angle of view recorded on the film is provided diagonally above the main mirror and between the main mirror and the solid-state image sensor. A hybrid camera characterized by the above.

[0009]

According to the present invention, with the above-mentioned structure, a hybrid camera which is reasonably ergonomically easy to operate and has a small size and excellent design can be obtained. Both still videos can be simultaneously shot, or either one can be arbitrarily selected and shot.

Further, by disposing the reduction optical system between the main mirror and the solid-state image pickup device, the image magnification can be changed and the solid-state image pickup device can photograph and record at the same angle of view as the silver salt film.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. 1, 2 and 3 are schematic views of the configuration of an embodiment of the present invention, in which the same parts are designated by the same reference numerals.

FIG. 1 is a basic block diagram of the hybrid camera of the present invention excluding the information recording section. There is a main mirror 2 behind the photographing optical system 1, and most of the incident light is above the front side of the main mirror 2. Is reflected by, and guided to a reduction optical system 3 including a relay optical system to be corrected to the same angle of view as the silver salt film, and an image is formed on an image pickup surface of a solid-state image pickup device 4 such as a CCD.

Further, a part of the light rays that have passed through the main mirror 2 is incident on the distance measuring and photometric unit section 5, and the distance measuring and photometric are performed. The camera circuit section 6 is arranged around the solid-state imaging device 4, and the signal processing circuit section 7 is arranged around the distance measuring and photometry unit 5. At the top of the shooting optical system 1,
A strobe unit 8 in which a strobe light emitting unit and the same circuit unit are integrated is arranged, and a battery unit 9 is arranged at a lower portion.

Behind the main mirror 2, there is a film box 10, in which a winding motor 11 is built, and a back cover 14 having a liquid crystal display section 12 and an operation mode key section 13 is arranged. . Further, an electronic viewfinder section (hereinafter referred to as an EVF section) 19 in which a liquid crystal viewfinder 15, a backlight 16, a drive circuit 17, an eyepiece lens 18 and the like are integrated is arranged above the film box 10.

An information recording unit using an information recording medium such as a card memory or a floppy disk is arranged on the side surface side of the camera body.

FIG. 2 is a perspective view as seen from the finder side behind the camera. The information recording unit 20 is arranged beside the film box 10 from the same direction in which the film 21 is loaded, such as a card memory or a floppy disk. The information recording medium 22 is inserted. Operation parts such as the zoom lever 23 and the shutter button 24 are provided on the rear upper part of the surface of the camera body 30.

FIG. 3 is a diagram showing a camera hold state, in which the right hand is passed through the grip belt 25 and the camera body 30 is held by the entire right hand. Then, the zoom lever 23 and the shutter button 24 are operated with the index finger of the right hand.

When the main switch 26 is turned on, the camera system is in an operating state and the EVF section 19 operates. This EV
After determining the composition with F, the shutter button is pressed halfway to perform photometry and distance measurement. When the shutter button is pressed further, a still image is recorded by the solid-state image sensor. Immediately after that, the main mirror 2 rises and the silver salt film is exposed. Will be recorded.
Further, when it is desired to record in only one of them, it can be arbitrarily set by the record setting button of the operation mode key unit 13. In addition, even if the main switch 26 is not turned off, the power is automatically turned off after a certain period of time, and the camera system and the EVF start up by pressing the shutter button halfway.
The recording mode is set immediately.

Further, when the reproduction mode is set, the contents recorded on the information recording medium can be viewed on the EVF.

Here, the information recording medium is a hard disk,
It may be replaced with a magneto-optical disk or the like, or the information recording unit may be detached and replaced.

[0021]

As described above, by constructing each of the above-mentioned elements in the vertical form of the present invention, a still video and silver which are space efficient and small in size and are excellent in design, operability and portability. A vertical hybrid camera that can take both images of salt film can be configured.

Since the same TTL optical system is used for both still video photography and silver halide film photography, there is no parallax.
Further, when the distance measuring method using the video signal is adopted, the distance measuring module such as the phase difference method can be eliminated, and the structure can be simplified and the cost can be reduced.

Further, the image reflected by the main mirror can be reduced by a reduction optical system so that the photographing range, that is, the angle of view can be made the same as that of the silver salt film, and both types of photographing and recording can be performed without any discomfort. In addition, since the main mirror is used, there is no light amount loss, and it is possible to perform imaging with excellent S / N.

Since the arrangement of the solid-state image pickup device is determined by the reflection angle of the main mirror, it may be set to an arbitrary angle that is the best in the camera configuration, and the camera configuration flexibility is high.

Since a relatively heavy element can be arranged in the hand holding the camera, the balance is good, the holding property is excellent, and the wrist is not burdened and tired easily.

By incorporating the reproducing circuit system, the recorded image can be reproduced and confirmed on the spot by the EVF.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram showing a basic configuration excluding an information recording unit according to an embodiment of the present invention.

FIG. 2 is a perspective view seen from the finder side behind the camera of the embodiment of the present invention.

FIG. 3 is a schematic diagram showing a camera hold state according to an embodiment of the present invention.

FIG. 4 is a schematic configuration diagram of a conventional example.

FIG. 5 is a schematic configuration diagram of another conventional example.

[Explanation of symbols]

1 Photographic optical system 2 Main mirror
3 Reduction optical system 4 Solid-state image sensor 5 Distance measuring / photometric unit
6 Camera circuit 7 Signal processing circuit 8 Strobe unit
9 Battery part 10 Film box 11 Winding motor
12 LCD display 13 Operation mode key 14 Back cover
15 LCD finder 16 LCD backlight 17 LCD drive circuit
18 Eyepiece 19 Electronic viewfinder 20 Information recording unit
21 film 22 information recording medium 23 zoom lever
24 Shutter Button 25 Grip Belt 26 Main Switch
30 camera body

Claims (2)

[Claims] 1. A box-shaped camera having a horizontal width L, a vertical width H, and a front-back width D in a relation of L ≦ H <D, wherein a photographing optical system is provided in a front region of the camera and a rear region of the camera is provided. Is a main mirror, and a focal plane of a silver halide film and a film box are arranged behind the main mirror, a solid-state image sensor is obliquely above and above the main mirror, an electronic viewfinder section is above the film box, and a film box. An information recording unit capable of vertically storing a plate-shaped information recording medium is arranged on the horizontal side of the, and a camera operation unit including a shutter button and a zoom lever,
A hybrid camera characterized in that a display section is provided on the rear upper part of the outer surface of the camera, and an operation mode key section is provided at the rearmost part. 2. A reduction optical system for changing the image magnification for making the same angle of view as the angle of view recorded on the film is provided diagonally above the main mirror and between the main mirror and the solid-state image sensor. The hybrid camera according to claim 1, wherein: