JPH04246635A - Camera system - Google Patents

Abstract

PURPOSE:To easily and surely an interchagable unit to a camera main body and to obtain system where both of them have sense of unity at the time of attaching. CONSTITUTION:The camera system is constituted a shoe seat 26 which is provided in a recessed part 28a formed at a part of the upper cover 28 of the camera main body 20 and where the interchangeable unit 30 is attached, a connector part 27 which is provided in the recessed part 28a and electrically connected to the unit 30 at a final stage that the unit 30 is attached slidingly to the shoe seat 26. In such a case, the recessed part 28a can be constituted to be provided on a winding side. Then, the shoe seat 26 can be directly fixed to the frame of the main body 20. Therefore, the shoe seat 26 on the main body 20 side and the shoe on the unit 30 side are coupled and the main body 20 and the unit 30 are electrically coupled at the final stage of the slidingly attaching the unit 30.

Description

[Detailed description of the invention]

0001

[Industrial Application Field] The present invention provides accessories for the camera body,
The present invention relates to a camera system in which photographing functions and the like can be added and changed by attaching and detaching exchange units such as adapters.

0002

[Prior Art] Conventionally, this type of camera was
The main unit that has the film storage section, film feeding section, etc., and the control unit that controls the operation and timing of the components of the main unit are separated, and both units are not related to the transmission of mechanical power and signals. (Japanese Unexamined Patent Publication No. 57-167017), which consists of a camera body and an adapter detachably connected to the camera body, the camera body does not have an exposure calculation function, and the adapter does the exposure calculation function. In addition, the camera system is compact and has no unnecessary functions (Japanese Patent Laid-Open No. 1-28
7632)" etc. have been proposed.

0003

[Problems to be Solved by the Invention] However, in each of the above-mentioned proposals, only the functional relationship between the main unit or camera body (hereinafter referred to as the camera body) and the replacement unit or adapter (hereinafter referred to as the replacement unit) is disclosed. However, there is no disclosure of the structure for actually attaching them.

[0004] For example, when connecting the camera body and the exchange unit, dovetail joints may be used.
Manufacturing costs increase.

[0005]Also, it is conceivable to have a male threaded part on the replacement unit side and a female threaded part on the camera body side, and to screw the unit positioned with a pin or the like.
Since the head of the male screw is exposed, there is less freedom in terms of design, and a large space is required around the head of the male screw for screw tightening, making it difficult to arrange the operating section.

[0006] The purpose of the present invention is to solve the above-mentioned problems,
To provide a camera system that facilitates and reliably attaches a camera body and a replacement unit, and provides a sense of unity between the two when attached.

[0007]

[Means for Solving the Problems] A camera system according to the present invention includes a camera body and a replacement unit that can be attached to and detached from the camera body. is,
The shoe seat is configured to include a shoe seat for mounting the replacement unit, and a connector portion provided in the recess and electrically connected to the replacement unit in the final step of slidingly mounting the replacement unit on the shoe seat. be.

In this case, the recess may be provided on the winding side. Further, the shoe seat can be directly fixed to the frame of the camera body.

On the other hand, a camera system according to the present invention includes a camera body and an exchange unit that can be attached to and detached from the camera body, and includes a shoe provided on the exchange unit, and a shoe provided on the exchange unit, the shoe being attached to the exchange unit. The configuration may include a connector portion that electrically connects to the camera body at the final stage of sliding mounting.

In this case, the replacement unit is integrated with the camera body so as to cover the pentaprism, has a light emitting section on the front side, and integrally displays the camera body information and the replacement unit information on the rear side. It can be configured to include a display section.

[0011] Furthermore, the replacement unit may be configured to receive power from the camera body.

0012

According to the present invention, the shoe seat on the camera body side and the shoe on the exchange unit side can be coupled, and moreover, the camera body and the exchange unit can be electrically coupled at the final stage of sliding mounting.

[0013]

[Examples] Next, the present invention will be explained in more detail with reference to Examples. 1 and 2 are views showing a first embodiment of a camera system according to the present invention in a state in which a camera body and a replacement unit are combined, with FIG. 1 being a front view and FIG. 2 being a rear view.

The camera system 10 of this embodiment is shown in FIG.
As shown in FIG. 2, the camera body 20 and the replacement unit 30 are combined and integrated in terms of appearance and circuitry. In terms of actual operation, as shown in FIG.
Since the control setting contents of 0 and the control setting contents of the replaceable unit 30 are displayed at once, the replaceable unit 30 becomes a strobe-only camera that is optimal for strobe photography when combined with the camera body 20.

FIGS. 3 to 5 are views showing the camera body side of a first embodiment of the camera system according to the present invention,
3 is a plan view, FIG. 4 is a rear view, and FIG. 5 is a side view. The camera body 20 itself has a function of performing automatic exposure under program control, and is capable of automatic winding. In addition, for strobe photography, a shoe seat 26 for strobe mounting is provided, similar to the conventional one.
Can be used without a dedicated strobe.

As shown in FIG. 3, the upper surface of the upper cover 28 forming the upper part of the camera body 20 has a power switch 21, an LCD member 22, a rewind button 23, a self-set button 24, etc. is installed. The power switch 21 is a slide switch, and by sliding it one step, the camera body 20 is powered on, and by pressing the rewind button 23 at the final step of the slide, forced rewinding becomes possible.

The LCD member 22 is a member that displays only the minimum necessary information as information about the camera body 20.
Displayed contents include, for example, film number information,
Examples include film winding status information and self-setting information. Further, the self-set button 24 is a button for performing self-set photography by pressing and releasing the camera. The release button 25 is a button for releasing the shutter, and after a series of lens operations, the film is exposed, and furthermore, the built-in motor automatically winds the film.

Further, a cut recess 28a is formed on the roll-up side of the upper cover 28.
A shoe seat 26 is arranged at a. A replacement unit 30 having various functions can be attached to and removed from the recess 28a. As shown in FIG. 4, the shoe seat 26 is directly screwed to the frame 29. As before,
A shoe seat 2 is placed above the eyepiece of the upper cover 28 of the camera body 20.
6 is provided, the shoe seat 26 is
When force is applied to the upper cover 28, there is a risk that the upper cover 28 will be damaged. This is because the upper part of the eyepiece of the upper cover 28 has built-in optical system parts, and it is difficult to reinforce it with the built-in parts, so the upper cover 28 alone has to provide strength. By directly fixing the shoe seat 26 to the frame 29 as in this embodiment, there is no need to worry about damaging the upper cover 28.

The shoe seat 26 is arranged so that the sliding direction is in the optical axis direction, and the replacement unit 30 is slid onto the shoe seat 26 from the back side of the camera body 20 and is fixed. Here, the optical axis direction includes the direction in which parallax (parallel) correction is performed when a non-dedicated strobe is attached.

Furthermore, a connector portion 27 is arranged on the front wall side of the recess 28a. This connector section 27 is for electrically connecting the camera body 20 and the replacement unit 30. This connector portion 27 is adapted to be connected to a connecting pin of the connector portion of the replacement unit 30 at the final stage of the mounting stroke.

A locking member 28b is provided in the recess 28a, and when the operation of mounting the replacement unit 30 is completed, the replacement unit 30 is fixed to the camera body 20 side by the locking member 28b. This locking member 28b is connected to a lock release button 369 (
(see Figure 6).

FIGS. 6 and 7 are views showing the replaceable unit side of the first embodiment of the camera system according to the present invention, with FIG. 6 being a perspective view seen from the rear side, and FIG. 7 being a perspective view seen from the front side. FIG. The replacement unit 30 is shown here as an example of a strobe photography unit, and the front side of the replacement unit 30 (FIG. 1) includes a light receiving window 351 for external light control, a strobe light emitting section 352, and an AF auxiliary light emitting section 353. etc., and a display 370 is provided on the rear side (FIG. 2). Furthermore, a mounting leg (shoe) shown in FIG. 7 is provided on the lower side of the exchange unit 30, and is integrally coupled to the shoe seat 26 of the camera body 20 by sliding in the optical axis direction.

In this embodiment, when the exchange unit 30 is connected to the camera body 20, the shoe seat 26 is provided on the exterior.
Since the shoe seat 26 is not exposed, even if there is a standardized shoe seat 26, the degree of freedom in designing the area around the shoe seat 26 is improved. Further, although the shoe seat 26 is provided with a large number of contacts (not shown), the contacts are not exposed.
There is no longer any need to worry about electrical problems such as poor contacts due to corrosion due to scratches, dirt, etc. Note that unlike the case where a mere shoe seat cover is provided, the cost does not increase due to an increase in the number of functionally low parts.

Next, the detailed structure of the replacement unit 30 will be explained. The main switch 335 is a switch that starts up the replacement unit 30.
Basic control of the camera body 20 is performed with the switch 55 turned off. The mode selector switch 356 is a switch for selecting TTL, A (external dimming), TTL-BL, etc. The zoom button 357 is a switch used to intentionally change the beam angle. If you set the zoom button 357 to auto when an AF zoom lens is attached, the beam angle will automatically change according to the zoom status of the lens. changes. The manual button 358 is a button for correcting the amount of light during manual shooting. The ready light button 359 has a function of turning on when charging is completed, and also serves as a trigger button for test light emission.

While pressing the shooting mode selection button 360, press the UP button 361 and the DOWN button 3.
By pressing 62, the shooting mode of the camera body 20 can be switched. The shooting mode can be selected from manual, program, shutter speed priority, aperture priority, etc. The film feeding mode selection button 363 is
By pressing the up button 361 and the down button 362 while pressing this button, it is possible to select a film feeding mode such as continuous high speed winding (CH), continuous low speed winding (CL), or single frame shooting winding (S).

[0026] The ISO sensitivity setting button 364 is normally set automatically using a DX code by pressing the up button 361 or the down button 362 while pressing this button, but the ISO sensitivity can be set manually. While pressing the multiple shooting selection button 365, press the up button 361 or the down button 362.
By pressing , you can set the multiple shooting selection mode. Further, by pressing the select button 367 while pressing the multiple shooting selection button 365, multiple strobe flashes can be performed. The selection button 366 is a button for selecting whether the strobe light emission timing is linked to the running of the front curtain or the rear curtain.If you press the selection button 367 while holding down this selection button 366, you can select whether the strobe light emission timing is linked to the running of the front curtain or the rear curtain. You can choose.

The display 370 is composed of a large LCD board, and can display control information for the camera body 20 and the replacement unit 30 at once. The shooting mode display 371 is a part showing shooting modes such as program, shutter speed priority, and aperture priority.
They are individually displayed as P, S, A, etc. on the display 370. The display 370 also includes an aperture display 372, a shutter speed display 373, a metering mode display 374, a film sensitivity display 375, a film feeding mode display 376, a light emission timing display 377, a light emission amount correction display, and a camera-side exposure-linked display. 378, Illumination angle display such as zoom value 379, Camera status display 380 indicating whether the lens is automatically linked or in manual mode for the illumination angle.
A light control range display 381 and the like are displayed. Further, by comparing the display 382 of the absolute distance to the subject with the display 381 of the dimming range, it can be determined whether or not dimming is possible.

In this embodiment, the setting display and control display are not displayed separately on the camera side and the strobe side as in conventional strobes, but are displayed all at once on the large display 370, making them easy to see and This eliminates erroneous operations such as forgetting settings. Further, since the operation and setting members are concentrated on the replacement unit 30 side, the settings can be easily made. Furthermore, since the strobe light emitting section 352 of the replacement unit 30 does not protrude from the operation section on the camera side, it is easy to carry out photographing operations.

FIG. 8 is a circuit diagram showing the exchange unit side of the first embodiment of the camera system according to the present invention, and FIG.
FIG. 2 is a circuit diagram showing the camera body side of a first embodiment of the camera system according to the present invention.

First, the circuit configuration on the exchange unit 30 side will be explained. The strobe light emission control circuit 515 includes a booster circuit, a light emission circuit, a light emission stop circuit, a capacitor, etc., and controls them. Note that power is supplied from the camera side. The arc tube 516 is a light source for strobe light emission. The display means 512 includes a large LCD panel and an LCD driver that collectively display the contents of strobe control, settings, and control of the camera body. Various setting switches 518 are various setting switches for setting the control contents of the strobe and the control contents of the camera, and the information is sent to the CPU 519.

[0031] The CPU 519 controls the strobe photography unit 3.
0, and controls the camera body 20 and the replacement unit 30 by communicating with the CPU 401 of the camera body 20. Here, the lines of the connector section 520 on the side of the replacement unit 30 are the GND line, the VCC line,
A communication line between the CPU 401 of the camera body 20 and the CPU 519 of the replacement unit 30, a communication line for strobe light emission control, an X contact line, a VBAT line, etc. are provided.

Furthermore, referring to FIG. 9, the camera body 2
The circuit configuration on the 0 side will be explained. The CPU 401 is a CPU that controls all functions of the camera body 20. Exposure information setting means 402 is for setting information such as film sensitivity, shutter speed, aperture value, and exposure correction, and is transmitted to CPU 401. A motor drive circuit 403 is a circuit for controlling film feeding, and controls a motor that is a drive source for film feeding. Various display means LCD 404 includes a liquid crystal and a liquid crystal driver for displaying the number of photographed images, self-setting, feeding status, and the like.

The photometry circuit 405 is a circuit that measures the amount of light of an object, and is connected to an SPD 406 for photometry. The aperture driving means 407 is a means for driving and controlling the aperture on the lens side, and operates according to the aperture value for setting appropriate exposure based on information from the exposure information setting means 403. The shutter driving means 408 includes the exposure information setting means 40
This is means for setting and driving according to the shutter speed value for setting appropriate exposure based on the information from 2.

The various switch group 409 includes various activation, selection, and setting switches, such as a half-press switch and a release switch, whose states are detected by the CPU 401, after which each operation is started.

The light control circuit 410 controls the amount of light emitted by the strobe.
SPD placed in the mirror box of the body 20
412, and sets the appropriate exposure. This SPD 412 is a photometric element that takes in the reflection from the subject as reflected light from the film surface. The strobe light emission interface 411 is for exchanging information between the CPU 401 and the control circuit of the replacement unit 30. The X contact 413 is a contact linked to the movement of the shutter curtain, and when this contact 413 becomes conductive, the strobe emits light, and the amount of light emitted is detected by the dimming circuit 410, so that it becomes the same as the calculated value. When the light stops emitting light.

[0036] Here, the connector section 4 on the camera body 20 side
14 includes the GND line, VCC line, VBAT line, the CPU 401 of the camera body 20, and the replacement unit 3.
A communication line for the CPU 519, an X contact, a communication line for strobe light emission control, etc. are provided.

In the case of conventional strobes, control contents and display contents are communicated with the camera body through contacts placed inside the shoe seat, but since the space inside the shoe seat is small, the number of contacts is limited. It was getting worse. In this embodiment, since parallel communication is possible through a large number of contacts in the connector section 27, various data can be controlled and displayed in real time.

FIGS. 10 to 12 are views showing second to fourth embodiments of the exchange unit used in the camera system of the present invention, and FIGS. 13 to 15 are views showing the second to fourth embodiments of the exchange unit used in the camera system of the present invention. FIG. 16 is a diagram showing a state in which one of the replacement units is attached to the camera body.

The exchange unit 60 of the second embodiment is an example of a multi-function operation unit. The mounting leg 61 is a leg for sliding and fixing onto the shoe seat 26 of the camera body 20. The connector pin 62 is a pin that connects to the connector portion 27 of the camera body 20 at the final stage of its stroke.

The shooting mode can be changed by rotating the command dial 68 while pressing the shooting mode selection button 63. The shooting mode is
You can select manual, program, shutter speed priority, aperture priority, etc. The contents of this setting display are individually displayed as displays 67a such as M, P, S, A, etc. on a large LCD board 67 for intensive information display.

The mode of the film feeding (motor drive) mode selection button 64 can be changed by rotating the command dial 68 while pressing it. The film feeding mode is continuous high speed winding (CH
), continuous low-speed winding (CL), and single-frame winding (S). The contents of this setting display are individually displayed as CH, CL, and S on the large LCD board 67 mentioned above.

In the manual shooting mode, the shutter speed setting button 65 can be set by pressing the command dial 6 while pressing it.
By rotating 8, the shutter speed can be changed. Note that this is displayed on the large LCD board 67 as a set seconds display 67c. Next to this, an exposure calculation value display 67d for obtaining proper exposure is displayed.

Aperture setting button 66 in manual shooting mode
The aperture value can be changed by rotating the command dial 68 while pressing this button. Note that this is displayed on the large LCD board 67 as a set seconds display 67c. Next to it, an exposure calculation value display 67d for obtaining appropriate exposure is displayed.

As another settable item, by rotating the command dial 68 while pressing the shooting mode selection button 63 and the film feeding mode selection button 64 at the same time, it is possible to switch to the multiple shooting mode. Unlock button 69
Pressing this will unlock the unit and allow it to be replaced with another unit. Further, buttons corresponding to various shooting conditions such as manual setting of ISO sensitivity and exposure compensation setting may be provided.

The replacement unit 70 of the third embodiment is a manual setting unit. Photographers (professionals and amateurs) who frequently use cameras often prefer dial operations that are quick to operate and allow setting conditions to be checked at a glance. The replacement unit 70 is a unit that can meet such requests.

Note that the mounting legs 71, connector pins 72,
The connector pin 79 has the same function as the mounting leg 61, connector pin 62, and lock release button 69 in FIG.

The shutter speed setting dial 73 is used to set the shutter speed by aligning the shutter speed on the scale plate on the upper surface of the dial with the index 74. The aperture setting dial 75 is used to set the aperture value by aligning the aperture value on the scale plate on the upper surface of the dial with the index 75. In the manual shooting mode, these two dials 73 and 74 are set in an intentional combination to enable shooting with the exposure desired by the photographer.

The shutter speed priority mode can be set by setting the aperture setting dial 75 to the S position, and the aperture priority mode can be set by setting the shutter speed setting dial 73 to the A position.
The program mode can be set by aligning 75 with the A position and S position.

The replacement unit 80 of the fourth embodiment is a radio unit. This replacement unit 80
is not a photographic unit but an optional unit installed in the camera body 20 having a surplus power source as a composite product. Although radios, LCD televisions, and other devices are becoming smaller due to improvements in semiconductor technology, there is a limit to how compact they can be because they are equipped with power supplies. On the other hand, although cameras can be miniaturized, they require a certain size for manual operability, and in many cases the power supply can be made larger than necessary for camera operation.

[0050] Furthermore, the mounting leg 81, the connector pin 82,
The lock release button 89 has the same function as the mounting leg 61, connector pin 62, and lock release button 69 shown in FIG. This exchange unit 80 is provided with an FM/AM broadcast switching button 85, a command dial 86 for channel selection, an LCD member 83 for displaying channel selection, an earphone cord 87, and the like.

Next, each of the above-mentioned replacement units 60, 70
, 80 will be explained. FIG. 13 is a circuit diagram of the multi-function operating unit (FIG. 10). The CPU 91 is for controlling the replacement unit 60, and while exchanging information with this CPU 91, the camera body 2
0 control is being performed. The display means 92 is the camera body 2
0 control and setting content display LCD and LCD driver. The setting means 93 is for multi-functionalizing the control contents of the camera body 20, and has various switches such as a shooting mode selection switch, a drive selection switch, a command dial, an aperture selection switch, and a shutter speed selection switch. The information is conveyed to the CPU 91. Note that the connector line 94 of this replacement unit 60 includes a GND line, a VCC line, and the camera body 2.
There is a line for communication with the CPU 401 on the 0 side.

FIG. 14 shows the manual operation unit 70 (
FIG. 11) is a circuit diagram of FIG. The CPU 101 is for controlling the replacement unit 70, and controls the camera body 20 by communicating its settings with the CPU 401 of the camera body 20. Setting means 102, 103
are for setting the shutter dial 73 and aperture dial 75 of this replacement unit 70. Here, the contents of both set values are read and controlled using resistance values. The connector line 104 of this replacement unit 70 includes a GND line, a VCC line, and a CP line on the camera body side.
There is a communication line with U.

FIG. 15 is a circuit diagram of a radio unit 80 (FIG. 12) which is an example of a camera-side power supply unit. The radio body 111 is supplied with power to the camera body 20.
A VBAT line, a GND line, etc. for reception from the side are provided. The power switch 112 is a switch that turns on and off the radio provided on the replacement unit 80 side.

FIGS. 16 and 17 show the replacement unit 60,
The camera body 20 shown in FIG. 3 is shown in a state where it is attached, and when it is attached, it has the appearance of a normal camera body. Also in the case of replacement units 70 and 80,
Approximately the same appearance.

Various modifications can be made without being limited to the above embodiments, and these are also within the scope of the present invention. For example, the camera body may be an electronic still camera capable of image processing using electrical signals, and the replacement unit may also be compatible with this. Also, the replacement unit may be of another type, implementing a larger integrated circuit, or
It may be something that improves the functionality of not only the camera body but also the interchangeable lens that can be attached to and removed from the camera body.

[0056]

As explained above, according to claim 1 or 4, a concave portion is formed in a part of the upper cover, a shoe seat is provided in the concave portion, and the shoe seat is provided in the concave portion and is coupled to the shoe on the replacement unit side. At the final stage, the connector parts are electrically connected, so
It has the following effects. First, the shoe seat is not on the exterior of the camera, which increases the degree of freedom in design. Secondly, the integration with the camera is improved, and the reliability of the contact points can be improved when the strobe is mounted, compared to the conventional shoe seat placement position. Thirdly, there is no need for additional members such as protective covers for the shoe seats, which reduces costs and protects the contacts. Fourth, by reusing the existing shoe seat as the fixing part for attaching the replacement unit, costs can be reduced compared to conventional camera systems, and it can also be used without a dedicated strobe. .

According to claims 2 and 3, by providing the recess on the winding side and directly fixing the shoe seat to the frame,
It has the following effects. First, the shoe seat can be reinforced and damage that can occur when attaching a strobe can now be avoided. Second, the replacement unit can now be firmly fixed and stable.

Furthermore, if a dedicated strobe replacement unit is used as in claim 5, the camera body and the strobe operation members can be arranged together in the replacement unit, and the camera body side and strobe operation members can be arranged on the rear display section. Control information on both sides can be displayed all at once, improving operability.

[0059] If power is supplied from the camera body side, accessories that cannot be miniaturized due to the power source can be used as replacement units.

[Brief explanation of the drawing]

FIG. 1 is a front view showing a first embodiment of a camera system according to the present invention in a state in which a camera body and a replacement unit are combined.

FIG. 2 is a rear view showing the first embodiment of the camera system according to the present invention in a state in which the camera body and the replacement unit are combined.

FIG. 3 is a plan view showing the camera body side of the first embodiment of the camera system according to the present invention.

FIG. 4 is a rear view showing the camera body side of the first embodiment of the camera system according to the present invention.

FIG. 5 is a side view showing the camera body side of the first embodiment of the camera system according to the present invention.

FIG. 6 is a perspective view of the exchange unit side of the first embodiment of the camera system according to the present invention, viewed from the rear side.

FIG. 7 is a perspective view of the exchange unit side of the first embodiment of the camera system according to the present invention, viewed from the front side.

FIG. 8 is a circuit diagram showing the replacement unit side of the first embodiment of the camera system according to the present invention.

FIG. 9 is a circuit diagram showing the camera body side of the first embodiment of the camera system according to the present invention.

FIG. 10 is a perspective view showing a second embodiment of the exchange unit used in the camera system of the present invention.

FIG. 11 is a perspective view showing a third embodiment of the exchange unit used in the camera system of the present invention.

FIG. 12 is a perspective view showing a fourth embodiment of the exchange unit used in the camera system of the present invention.

FIG. 13 is a circuit diagram corresponding to the replacement unit of the second embodiment.

FIG. 14 is a circuit diagram corresponding to the replacement unit of the third embodiment.

FIG. 15 is a circuit diagram corresponding to a replacement unit of a fourth embodiment.

FIG. 16 is a plan view showing a state in which the replacement unit of the second embodiment is attached to the camera body.

FIG. 17 is a front view showing the replacement unit of the second embodiment attached to the camera body.

[Explanation of symbols]

10 Camera unit 20 Camera body 21 Power switch 22 Display LCD member 23 Rewind button 24 Self-set button 25 Release button 26 Shoe seat 27 Connector part 28 Upper cover 28a Recess 28b Lock release button 30 Replacement unit 355 Main switch 356 Mode selector 357 Zoom Button 358 Manual button 359 Ready light button 360 Shooting mode selection button 363 Film feeding mode selection button 364 ISO sensitivity setting button 365 Multiple shooting selection button 366 Strobe light emission timing selection button 367
Selection button 370 Large LCD board 371 Shooting mode display 372 Aperture display 373 Shutter speed display 374 Metering mode display 375 Film sensitivity display 376 Film feeding mode display 377 Light emission timing display 378 Light emission amount correction display, non-exposure linked display 379
Illumination angle display 380 Camera status display 381 Light adjustment range display 382 Absolute distance to subject display 401 CPU 402 Exposure information setting means 403 Motor drive circuit 404 Display means 405 Subject light amount metering circuit 407 Aperture drive control means 408 Shutter drive means 409 Various startup, selection, and setting switches 410
Dimmer circuit 411 Strobe light emitting interface 413
Contact 515 Strobe light emission control circuit 516 Luminescent tube 517 Display means 518 Various setting switches 60 Replacement unit (multi-function operation replacement unit) 61
Mounting leg 62 Connector pin 63 Shooting mode selection button 64 Film feeding mode selection button 65 Shutter speed setting button 66 Aperture setting button 67 Large LCD board 68 Command dial 69 Lock release button 70 Replacement unit (manual setting unit) 71
Mounting leg 72 Connector pin 73 Shutter speed setting dial 75 Aperture setting dial 74, 76 Index 79 Lock release button 80 Replacement unit (radio unit) 81 Mounting leg 82 Connector pin 83 LCD board 85 FM, AM broadcast switching button 86 Command dial 87 Earphone code 89 lock release button 91 CPU 92 display means 93 multifunctional setting means 101 CPU 102, 103 operating member 111 radio body 112 switch

Claims (6)

[Claims] 1. A camera system comprising a camera body and a replacement unit that can be attached to and detached from the camera body,
a shoe seat provided in a recess formed in a part of the upper cover of the camera body for attaching the replacement unit; and a shoe seat provided in the recess for attaching the replacement unit to the shoe seat in the final stage of sliding the replacement unit to the shoe seat. A camera system comprising: a connector section electrically connected to the exchange unit. 2. The camera system according to claim 1, wherein the recess is provided on the winding side. 3. The camera system according to claim 1, wherein the shoe seat is directly fixed to the frame of the camera body. 4. A camera system comprising a camera body and a replacement unit that can be attached to and detached from the camera body,
A camera system comprising: a shoe provided on the replacement unit; and a connector portion provided on the replacement unit and electrically connected to the camera body at a final stage when the shoe is slid and attached. 5. The replacement unit is integrated with the camera body so as to cover the pentaprism, has a light emitting part on the front side, and has a display part on the rear side that integrally displays the camera body information and the replacement unit information. The camera system according to claim 4, characterized in that it has: 6. The camera system according to claim 4, wherein the replacement unit receives power from the camera body.