WO2006001079A1

WO2006001079A1 - Zoom lens with multifunction camera

Info

Publication number: WO2006001079A1
Application number: PCT/JP2004/009481
Authority: WO
Inventors: Takami Hasegawa
Original assignee: Takami Hasegawa
Priority date: 2004-06-29
Filing date: 2004-06-29
Publication date: 2006-01-05

Abstract

A dedicated television camera has been required to provide a high definition still image or a Hi-vision image in addition to an image of an ordinary television camera. A zoom lens with a multifunction camera has a spectroscopic prism (9) disposed at a specified position between lenses of lens groups of a zoom lens (1) mounted on a television camera body (2). The prism (9) allows to pass through it a light flux forming an optical image of an object on an imaging element (5) of the television camera body (2) and reflects a light flux forming the optical image of the object on an imaging element (7) of a multifunction camera (6) in the direction different from the television camera body (2), the multifunction camera (6) being fixed to a specified position on the outside of the zoom lens (1). The multifunction camera (6) is a television camera equipped with an imaging element for a still image, or for high definition television, or for infrared light. Further, the camera (6) has an output terminal for a video signal from the television camera and has a means for recording and reproducing the image data of the television camera on and from a removable recording medium.

Description

Multi-function zoom lens with power lens technology

The present invention relates to a zoom lens for a broadcast or commercial television camera, and more particularly to a zoom lens with a multi-function camera capable of sending an image different from an image of a television camera body equipped with the zoom lens. Background art

book

Broadcasting and commercial television cameras use a three-piece color separation prism, which uses an image sensor with a higher pixel count (R, G, B pixel matching method) or has a higher pixel count. The B and R channel CCDs are shifted by half a pixel in the horizontal direction with respect to the G channel CCD, and the resolution is applied to the color separation prism by a so-called spatial pixel shift method.

In addition, zoom lenses used in television cameras are also increasing in magnification and image quality, and a variety of zoom lenses are available depending on the application. With the progress of miniaturization of TV cameras, many portable TV cameras are used for news programs or documentary programs, and relay screens are being sent from everywhere.

However, in news programs, etc., still images are sent by e-mail to convey the situation as soon as possible, and more demanding for high-definition eight-definition television images. .

-On the other hand, a normal TV camera is sufficient for daytime photography, such as animal biology, but a special ultra-high sensitivity camera is often required for nighttime photography. In response to such a request, it is possible to extract a normal TV camera, for example, an NTSC color image as a still image using a recording device, but avoiding a decrease in image quality. I ca n’t.

In addition, in order to send a high-quality video signal to the base station, it must be transmitted using a large transceiver that uses a parabolic antenna.

In addition, the number of staff members increased as a result of the preparation of high-definition high-definition television cameras for some images and the preparation of separate ultra-high sensitivity cameras for night photography. Must also be increased. For this reason, in the present invention, a total reflection mirror provided with a spectral prism or moving means is incorporated in a zoom lens used in a normal television camera, and transmitted light or transmitted light forms an image on the image pickup device of the television camera body. Therefore, the standard image signal is used, and the reflected light forms an image on the image sensor of a multi-function camera mounted outside the zoom lens. Each of the multi-function cameras is a dedicated camera that outputs a still image, a high definition television image, or a night vision image by infrared light, and is recorded on a detachable recording medium by a recording / reproducing means, and is connected to a mobile phone. Provided is a zoom lens with a multi-function camera that can load the recording medium into an information terminal and send it as an e-mail. Disclosure of the invention

As a result of intensive studies in view of the above, the present inventor has solved this problem by the following means.

(1) In a zoom lens that is mounted on the TV camera body and consists of multiple lens groups that capture the subject,

An optical image, which is disposed at a predetermined inter-lens position of the plurality of lens groups of the zoom lens, transmits an optical image obtained by imaging the subject on the imaging element of the television camera body, and images the subject. A spectroscopic prism that reflects a light beam that forms an image on an image sensor of a multi-function camera mounted at a predetermined position outside the zoom lens in a direction different from that of the TV camera body,

The multi-function camera is a television camera having an image sensor for still images, high-definition television, or infrared light, an output terminal for a video signal output from the television camera, and the television camera. A zoom with a multi-function camera, comprising a recording / playback means capable of recording / playing back image data on a removable recording medium lens

(2) A lens that is mounted on a TV camera and consists of a plurality of lens groups that capture the subject.

The zoom lens is disposed at a predetermined inter-lens position of the plurality of lens groups. An optical image obtained by imaging a subject passes through an optical image obtained by imaging the subject, and an optical image obtained by imaging the subject. A total reflection mirror having moving means for reflecting a light beam focused on an image pickup device of a multi-function camera mounted at a predetermined position outside the zoom lens in a direction different from that of the TV camera body,

The multi-function camera is a television camera having an image sensor for still images, high-definition television, or infrared light, an output terminal for a video signal output from the television camera, and the television camera. A zoom lens with a multi-function camera, comprising: a recording / reproducing means capable of recording / reproducing the image data on a removable recording medium.

(3) A multi-function camera characterized in that the multi-capability mela further comprises an ultra-small microphone in the camera housing, and further comprises audio recording means for recording audio simultaneously with recording on the recording medium. With zoom lens.

(4) The multi-function camera further comprises signal processing means for outputting image data and audio data recorded on the recording medium, and an interface connector for external communication. The zoom lens with a multifunctional lens according to any one of (1) to (3) above.

(5) The zoom with a multi-function camera according to any one of (1) to (4), wherein the multi-function camera further includes a battery pack that is detachable from the housing. lens.

(6) The zoom lens with a multi-function camera further comprises a junction unit. e,

The junction unit relays between the TV camera main body and the viewfinder, between the TV camera main body and the zoom lens with a cable and a connector, and a multi-function camera cable is connected, and a power source from the TV camera main body (1) to (1), characterized in that it comprises: supply of a synchronization signal, transmission / reception of a synchronization signal, recording / playback / stopping means for the recording medium, and video signal switching means for sending out to the viewfinder and the outside. (5) The zoom lens with a multi-function camera described in any one of the above.

(7) The video signal switching means places a total reflection mirror at a mirror position that reflects the light beam focused on the image pickup device of the multi-function camera by a moving means of the total reflection mirror in a direction different from the TV camera body. The zoom lens with a multi-function camera described in (6) above, which has a function to give priority to sending a video signal of a multi-function camera when switched. Brief Description of Drawings

FIG. 1 is a schematic diagram of a zoom lens with a multi-function camera equipped with the spectral prism of Embodiment 1 of the present invention, FIG. 2 is a circuit block diagram of the multi-function camera of the embodiment of the invention, and FIG. 3 is an embodiment of the invention. FIG. 4 is a schematic diagram of a first lens with a multi-functional force lens provided with a total reflection mirror according to the second embodiment of the present invention.

Explanation of symbols

1: zoom lens with multi-function camera, 2: TV camera body, 3: color separation prism, 4: spectral prism, 5: image sensor, 6: multi-function camera, 7: image sensor, 8: relay lens, 9: Right-angle prism, 10: Memory card slot, 1 1: Video signal processing means, 12: Recording / playback means, 13: Output terminal, 14: Interface connector, 15: Battery pack, 16: Super Small microphone, 1 7: Data signal processing means, 1 8: Rotating axis, 1 9 a: First position of total reflection mirror, 1 9 b: Total reflection mirror Second position of one, 2 1: Zoom control box , 2 2: Junction unit, 2 3: Viewfinder, 24: Lens input connector, 2 5: Lens relay output connector, 2 6: Multi-function camera output connector, 2 7: Multi-function camera input connector, 2 8: VF input connector, 2 9: VF Relay output connector, 3 0: VF output connector, 3 1: VF relay input connector, 3 2: Lens output connector, 3 3: Lens relay input connector, 3 4: Video output connector, 3 5: Video input connector, 3 6: Trigger switch connector, 3 7: 卜 rigger switch B OX. BEST MODE FOR CARRYING OUT THE INVENTION

An embodiment of the present invention is a zoom lens composed of a plurality of lens groups that are mounted on a television camera and images a subject, and a spectroscopic lens disposed at a predetermined inter-lens position of the plurality of lens groups of the zoom lens. A total reflection mirror having a prism or moving means is provided, which transmits or passes a light beam for imaging an optical image obtained by imaging an object on the image sensor of the TV camera body, and is mounted at a predetermined position outside the zoom lens. In addition, the light beam focused on the image sensor of the multifunction camera is reflected in a direction different from that of the TV camera body. As the multifunctional camera, for example, a still image television camera using an image sensor such as a CCD of 100 to 5 million pixels, and an image data output from the television camera is a removable recording medium For example, it has a recording / playback means that can record / playback on a memory card.

Therefore, the memory card can be recorded on the memory card, loaded into a notebook personal computer or a personal digital assistant (PDA) connected to a mobile phone, and transmitted as an e-mail to a base station or the like. The first lens with a multi-function camera further includes a junction unit that can be attached to a zoom lens body or a conventional television camera body, and the juncture unit is provided between the TV camera body and the viewfinder. Relay between the TV camera body and the zoom lens with cables and connectors, respectively, and Function camera cable is connected, power supply from the TV camera body, transmission / reception of synchronization signal, recording / playback / stop of the memory card, and video signal switching means for sending the viewfinder to the outside I have. In addition, as the multi-function camera, for example, a single-plate or three-plate color camera capable of outputting a moving image for high-definition television (hereinafter referred to as HDTV) using C-MOS with 2 million pixels. In addition, a camera equipped with an imaging device for infrared light can be combined with a total reflection mirror equipped with a spectroscopic prism or moving means. Embodiments of the present invention will be described with reference to the drawings.

Fig. 1 is a schematic diagram of a lens with a multi-function camera equipped with the spectral prism of Embodiment 1 of the present invention. Fig. 2 is a circuit block diagram of the multi-function camera of the embodiment of the present invention. FIG. 3 is a cable connection diagram of the junction unit of the embodiment of the present invention and other devices, and FIG. 4 is a lens with a multi-functional force lens equipped with a total reflection mirror of the embodiment 2 of the present invention. FIG.

In the figure, 1 is a zoom lens with a multi-function camera, 2 is a TV camera body, 3 is a color separation prism, 4 is a spectral prism, 5 is an image sensor, 6 is a multi-function camera, 7 is an image sensor, and 8 is a relay lens. , 9 is a right angle prism, 10 is a memory slot, 1 1 is a video signal processing means, 1 is a recording / playback means, 1 is an output terminal, 1 is an interface connector, and 15 is a battery pack 1 6 is a micro-microphone, 1 7 is a data signal processing means, 1 8 is a rotation axis, 1 9 a is the first position of the total reflection mirror, 1 9 b is the second position of the total reflection mirror, 2 1 Control box, 2 2 is a junction unit, 2 3 is a viewfinder, 2 4 is an input connector for a lens, 2 5 is an output connector for a lens relay, 2 6 is a multi-function camera output connector, 2 7 is a multi Functional strength Mera input connector, 2 8 is VF input connector, 2 9 is VF relay Output connector, 30 is VF output connector, 3 1 is VF relay input connector, 3 2 is lens output connector, 3 3 is lens relay input connector, 3 4 is video output connector, 3 5 is video input Connector, 3 6 is trigger switch connector, 3 7 is trigger switch Shows the box.

[Example 1]

In FIG. 1, the zoom lens 1 with a multi-function camera attached to the lens mount (not shown) on the subject side of the TV camera body 2 having the color separation prism 3 is roughly divided into the first group from the front lens side. Focusing lens group for focusing the subject on the subject, Variety evening lens group for changing the image size as the second and third groups, Compensator lens group for correcting the deviation of the pin collar as the fourth group, No. 5 It consists of a plurality of lens groups such as a relay lens group fixed as a group. Here, broadcast or commercial zoom lenses are often designed to leave a large space between the fourth and fifth lens groups, and the focal length of the original zoom lens can be set in this space. In order to shift to the telephoto side, there are many methods in which a focal length conversion lens group (not shown) is inserted. In the present embodiment, the spectroscopic prism 4 is arranged using the large space between the lens groups of the fourth group and the fifth group, and an optical image obtained by capturing an image of the subject is formed on the image sensor 5 of the TV camera body 2. Separating the light beam that forms on the image sensor 7 of the multi-function camera 6 mounted at a predetermined position outside the zoom lens in a direction different from that of the TV camera body 2. is doing. There are many examples of TV cameras for broadcasting, commercial use, or high-definition measurement that use a three-piece type color separation prism optical system to fix a solid-state image sensor to its exit surface. The zoom lens used in the main unit 2 is strictly corrected for axial chromatic aberration, magnification color difference, and dispersion, etc., including the color separation prism 3 optical system used on the TV camera main unit 2 side. An optical image is formed on the imaging element 5. Therefore, as the optical system for the multi-function camera 6, the relay fixed as the fifth group Relay lens 8 with the same configuration, shape and material as the lens group, 3 piece type color separation prism of TV camera body 2 3 Glass material similar to the glass material of the optical system, and right angle prism with the same optical path length 9 The optical image reflected from the spectroscopic prism 4 is imaged on the image sensor 7 of the multi-function camera 6 and subjected to photoelectric conversion, so that it has excellent high axial chromatic aberration, lateral chromatic aberration, dispersion, etc. A video signal with high image quality can be output. In FIG. 2, in the case of a still image analog video signal photoelectrically converted and output from the image sensor 7 of the multi-function camera 6, an optical image formed on the image sensor 7 via the relay lens 8 and the right angle prism 9 Is photoelectrically converted and input to the video signal processing means 11, subjected to signal processing such as gamma correction, and output to the output terminal 13 as an analog video signal. On the other hand, analog signals that have been subjected to signal processing such as gamma correction have a memory power of 1

Recording / playback means equipped with 0 (see Fig. 入力) Ί Input to 2 and A / D converted for digital signal processing, for example, 12-bit D S P (D i g i ta I S i g n a

1 P ro c e ss o r) is an image compression standard for still images. ”According to PEG, the image is compressed by a known technique and recorded on the memory card as a recording medium. Similarly, in the case of an analog video signal of a moving image such as an HDTV that is photoelectrically converted and output from the image sensor 7 of the multi-function camera 6, it is A / D converted and used for digital signal processing, for example, 12-bit DSP Thus, the image is compressed by a known technique according to MPEG, which is an image compression standard for moving images, and is recorded on the memory card loaded in the memory card slot 10 (see FIG. 1).

The memory card is, for example, a semiconductor memory such as a compact flash card (registered trademark), a smart media (registered trademark), a multimedia card (registered trademark), an SD card (registered trademark), or a memory stick (registered trademark). Alternatively, it may be a magnetic card or a hard disk with a large storage capacity provided with a drive mechanism as another recording medium. The recording capacity is preferably a capacity capable of recording HDTV images for 5 minutes or longer. The multi-functional power mela 6 further includes an ultra-small microphone mouthphone 1 inside the camera casing.

6 and can record audio simultaneously when recording to the memory card, so it is possible to record effective audio such as sounds around the camera or commentary of the announcer at the same time as the image.

The multi-function camera 6 further includes a data signal processing means 17 for outputting image data and audio data recorded on the memory card, and a USB (universal serial for external communication) for external communication. It has an interface connector 14 compatible with Bus) or IEEE 94 394, so it can be connected directly to a mobile phone using a dedicated cable and sent immediately as an e-mail. Since an analog video signal output terminal 13 is also provided, it is connected to the video input connector 35 (see FIG. 3) of the TV camera body 2 with a coaxial cable with a plug, and the image sensor 7 is connected every second. As a high-speed draft mode in which 30-frame images can be obtained, the viewfinder 23 (see Fig. 3) can display images from the multifunction camera 6. Furthermore, a video monitor (not shown) or an analog input video device can be directly connected to the analog video signal output terminal 13. The multi-function camera 6 is further equipped with a secondary battery pack 15 such as a Lithium ion battery, which is detachable and rechargeable via a small connector arranged in the casing. By simply attaching the zoom lens to another TV camera body 2 equipped with a compatible lens mount, it functions as a multi-function camera 6 without supplying power from the TV camera body 2. The angle reflected by the spectral prism 4 on the multi-function camera 6 side is preferably reflected at an angle of 90 degrees with respect to the light beam center on the TV camera body 2 side.

The light intensity ratio of the spectral prism 4 between the TV camera body 2 side and the multi-function camera 6 side is such that the multi-function camera 6 is equipped with an image sensor 7 with 100 to 500,000 pixels, for example, for still images. In such a case, it is preferable that the ratio be about 0.7: 0.3.

Further, when the multi-function camera 6 is for HDTV, for example, provided with a 2 million pixel single-plate color image sensor 7, the light quantity ratio is about 0.5: 0.5 or 0.3: 0.7 It is preferable that Furthermore, when the multi-function camera is equipped with an image sensor 7 for 2 million pixels for infrared light, for example, the wavelength of the infrared light region is reflected on the reflecting surface of the spectroscopic prism 4, and the visible light region It is preferable to form an interference film that transmits the wavelength of light so as to efficiently reflect or transmit the light flux in each wavelength region.

Further, it is preferable that the multi-function camera 6 is miniaturized and accommodated in the zoom control box BOX 21 (FIG. 3).

In FIG. 3, the junction unit 22 relays a cable and a connector between the TV camera body 2 and the viewfinder 23, and between the TV camera body 2 and the zoom lens, respectively. Camera 6 cable is connected, power supply from the TV camera body 2, transmission / reception of synchronization signals, recording / playback to the memory card, video stoppage and other video signals sent to the viewfinder Switching means is provided. Viewfinder (hereinafter referred to as VF) 2 3 from TV camera body 2 via junction unit 2 2 VF output connector 3 0 and VF relay input connector 3 1 For connection cable and VF relay output Connector 2 9 and VF input connector E 2 Connected with 8 connection cables, and video signal, synchronization signal, horizontal / vertical drive signal, etc. necessary for VF are supplied from the TV camera body 2. The zoom lens 1 is also connected to the lens output connector 3 2 and the lens relay input connector 3 3 from the TV camera body 2 via the junction unit 2 2 and the connection cable and lens relay output connector 2 5. And the lens input connector 2 4 are connected by a connection cable, and the power for controlling the zoom lens 1 is supplied from the TV camera body 2 to the zoom control box 2 Ί. Multi-function camera 6 multi-function camera output connector 2 6 and multi-function camera input connector 2 7 Connection cable and video output connector 3 4 and TV camera body 2 video input connector 3 5 Multi-function camera with connection cable 6 The image sensor 7 that is output is set to a high-speed draft mode in which an image of 30 frames per second can be obtained, and an analog video signal of a still image signal, an HDTV image signal, or an infrared image signal is transmitted to the outside via the TV camera body 2. Can be sent out.

The multifunction camera 6 itself has an analog video signal output terminal 13, and a video monitor (not shown) or an analog input video device can be directly connected to the output terminal 13. Even if you do not use memory capacity, it has an interface connector 14 for external communication, so you can connect it directly to a mobile phone etc. using a dedicated cable and send it immediately as an e-mail. . In addition, switch B 0 X 3 7 is connected to the end of the cable of trigger switch connector 3 6 of junction unit 22, and a push button switch (not shown) disposed on switch B 0 X 3 7 is connected. It controls the recording and playback means 1 2 of the multi-functional power mela 6. This switch B 0 X 3 7 has a mounting bracket to be attached to a tripod pan rod (not shown) and can be placed at the hand of the force melaman. Other functions of Junction Unit 2 2 are to synchronize the multi-function camera 6 with the video sync composite signal, sync signal or horizontal / vertical drive signal supplied from the TV camera body 2 via the VF connection cable. The TV camera is a genlock function, a so-called picture-in-picture function that fits the images of the genlocked multi-function camera 6 into the image of the TV camera body 2 It is preferable to incorporate a video signal switching means for the video signal of the main body 2, the video signal of the multifunctional mela 6 and the video signal of the picture-in-picture. [Example 2]

In FIG. 4, in this embodiment, a total reflection mirror 1 19 is arranged using a large space between the lens groups of the fourth group and the fifth group of the zoom lens 1 with a multi-function camera, and the object is The optical image obtained by imaging the subject is set at the position of the total reflection mirror 1 19 a so that all the light beams formed on the image pickup device 5 of the television camera body 2 pass through the optical image taken. In order to form an image on the image sensor 7 of the multifunctional force lens 6 mounted at a predetermined position outside the zoom lens 1 with the attached zoom lens, the total reflection mirror 1 9 about the rotation axis 1 8 is reduced by a mirror moving means (not shown). 4 Turned 5 degrees to the total reflection mirror 1 9 b position.

As described above, when the total reflection mirror 19 is rotated about 45 degrees to reach the position of the total reflection mirror 19b, a micro switch (not shown) is activated, and the VF described in Fig. 3 is sent to the outside. Preferably, the video signal switching means for switching has a function of switching so that the video signal of the multi-function camera is output with priority.

Other configurations and operations are the same as those in Example IV.

Industrial applicability

According to the present invention, the following effects are exhibited.

1. According to the invention of claim 1 of the present invention,

The multi-function camera is a television camera provided with an image sensor for still image, high definition television, or infrared light, an output terminal of a video signal output from the television camera, and an image of the television camera Recording / reproducing means for recording / reproducing data on a detachable recording medium, for example, the recording with detachable high-quality still image, high-definition television image or night-light image by infrared light. Recording can be performed on a memory card as a medium, and the memory card can be loaded into a personal computer or a portable information terminal connected to a mobile phone and immediately transmitted as an e-mail. In addition, since the spectral prism is used, the standard image signal of the TV camera body and the output image signal of the multi-function camera are always output, so you may miss an imaging opportunity. Absent.

In addition, an interference film that reflects the wavelength of the infrared light region and transmits the wavelength of the visible light region is formed on the reflection surface of the spectral prism for infrared light, so that the light utilization rate is nearly〗 0%. Therefore, high sensitivity can be achieved.

Furthermore, this zoom lens with a multi-function camera can be attached to other TV cameras equipped with compatible lens mounts. This is a multi-function camera that can capture images, high-definition television images, or night vision images with infrared light.

2. According to the invention of claim 2 of the present invention,

Since a total reflection mirror with moving means is used, the light quantity of the optical image of the subject imaged by the zoom lens is incident on each image sensor, so that a highly sensitive image signal can be provided. .

In addition, the multi-function camera is a television camera having an image sensor for still image, high definition television, or infrared light, an output terminal of a video signal output from the television camera, and the television camera Since it has recording and playback means that can record and play back image data on a removable recording medium, for example, high-quality still images, high-definition television images, or night-vision images using infrared light are detachable. Recording is performed on a memory card as the recording medium, and the memory card is loaded into a personal computer or portable information terminal connected to a mobile phone, and immediately sent as an e-mail.

In addition, this zoom lens with a multi-function camera can be attached to other TV cameras equipped with a compatible lens mount. This is a multi-function camera that can capture high-quality night vision images.

3. According to the invention of claim 3 of the claimed invention,

Since the multi-function camera is further provided with an ultra-small microphone in the camera case and audio recording means for recording audio on the recording medium at the same time as recording, Sound information can also be transmitted by adding audio information to the image.

4. According to the invention of claim 4 of the present invention,

The multi-function camera further includes signal processing means for outputting image data and audio data recorded on the recording medium, and an interface connector for external communication. Or, you can use a dedicated cable such as IEEE 1 394 to connect directly to a mobile phone and send it as an e-mail.

5. According to the invention of claim 5 of the present invention,

Since the multi-function camera further includes a battery pack that is detachable from the housing, the TV camera can be obtained simply by attaching the zoom lens to another TV camera body having a compatible lens mount. Even without supplying power from the main unit, image signals with audio signals can be provided from the multifunction camera.

6. According to the invention of claim 6 of the present invention,

The junction unit relays between the TV camera body and the viewfinder, between the TV camera body and the zoom lens with a cable and a connector, and a multi-function camera cable is connected. Power supply, transmission / reception of synchronization signals, recording / playback / stopping means for the recording medium, and video signal switching means for sending out to the viewfinder and the outside. When attached to a zoom lens or TV camera body, an appropriate image signal can be monitored simultaneously with the lens operation, and an appropriate image signal can be transmitted.

7. According to the invention of claim 7 of the present invention,

When the video signal switching means is switched to the second mirror position by the total reflection mirror moving means, the video signal switching means has a function of preferentially transmitting the video signal of the multi-function camera. Without outputting an image signal, the intended image can always be sent out.

Claims

1. In a zoom lens that is mounted on the TV camera body and consists of multiple lens groups that capture the subject,

An optical image, which is disposed at a predetermined inter-lens position of the plurality of lens groups of the zoom lens, transmits an optical image obtained by imaging the subject on the imaging element of the television camera body, and images the subject. A spectroscopic prism that reflects a light beam focused on an image sensor of a multi-function camera mounted at a predetermined position outside the zoom lens in a direction different from that of the TV camera body, and

The multi-function camera is a television camera equipped with an image sensor for still image, high definition television, or infrared light, and an image range output from the television camera.

A zoom lens with a multi-function camera, comprising: an output terminal for recording and recording / reproducing means for recording / reproducing the image data of the television camera on a detachable recording medium.

2. In a zoom lens that consists of multiple lens groups that are mounted on a TV camera and that captures the subject,

3. The multi-function camera further comprises a microminiature microphone in its camera housing, The zoom lens with a multi-function camera according to claim 1 or 2, further comprising sound recording means for simultaneously recording sound on the recording medium during recording.

4. The multi-function camera further comprises signal processing means for outputting image data and audio data recorded on the recording medium, and an interface connector for external communication. The zoom lens with a multifunction camera according to any one of items 1 to 3 of the range.

5. The zoom lens with a multi-function camera according to any one of claims 1 to 4, wherein the multi-function camera further includes a battery pack that is detachable from the housing.

6. The zoom lens with a multi-function camera further includes a junction unit, and the junction unit relays between the TV camera body and the viewfinder and between the TV camera body and the zoom lens by a cable and a connector, respectively. And a cable for a multi-function camera is connected, power supply from the TV camera body, transmission / reception of synchronization signals, recording / playback / stopping means for the recording medium, and the viewfinder and the outside 6. The zoom lens with a multi-function camera according to any one of claims 1 to 5, further comprising a video signal switching means.

7. The video signal switching means has a total reflection mirror at a mirror position for reflecting the light beam focused on the multi-function image sensor by the moving means of the total reflection mirror in a direction different from the TV camera body. 7. The zoom lens with a multi-function camera according to claim 6, further comprising a function of preferentially transmitting a video signal of a multi-function camera when switched.