JPH01309031A - Photographing device - Google Patents
Photographing deviceInfo
- Publication number
- JPH01309031A JPH01309031A JP63140030A JP14003088A JPH01309031A JP H01309031 A JPH01309031 A JP H01309031A JP 63140030 A JP63140030 A JP 63140030A JP 14003088 A JP14003088 A JP 14003088A JP H01309031 A JPH01309031 A JP H01309031A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- lens system
- storage
- variable magnification
- video
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Viewfinders (AREA)
- Indication In Cameras, And Counting Of Exposures (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、ビデオカメラ等の撮影装置に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a photographing device such as a video camera.
従来の技術
近年、ビデオテープレコーダー（以後ＶＴＲと称す）の
普及にともないビデオカメラを用いて撮影する機会が多
くなり、撮影の目的も子供の成長の記録や家族旅行の記
録といった個人的なものから、映画の制作や芸術として
の映像の制作といったプロ指向のものまで非常に多様化
している。特にプロ指向のビデオカメラの撮影において
は、画質とともに被写体の撮影範囲内での配置（以後フ
レーミングと称す）が作品の価値を左右する非常に重要
な要素であり制作時に時間をかけ考慮される。Conventional technology In recent years, with the spread of video tape recorders (hereinafter referred to as VTRs), opportunities to use video cameras to take pictures have increased, and the purpose of filming has expanded from personal to personal, such as recording children's growth and family trips. It has become extremely diverse, including professional-oriented projects such as film production and video production as art. Particularly when shooting with a professional video camera, image quality as well as the placement of the subject within the shooting range (hereinafter referred to as framing) are very important factors that affect the value of the work, and are taken into consideration during production.
発明が解決しようとする課題 ′
しかしながら、変倍操作（以後ズーミングと称す）のな
かでフレーミングを決めようとすると、撮影中望遠端あ
るいは広角端に衝突して所望のフレーミングが得られな
いことが多々発生しフレーミングの設定が困難であった
。しだがって撮影前にズーミング中に所望のフレーミン
クが得られるか否か必ず確認する必要があシ、撮影に膨
大な時間が費やされていた。Problems to be Solved by the Invention ``However, when attempting to determine the framing during a magnification change operation (hereinafter referred to as zooming), it often happens that the desired framing cannot be obtained due to collisions with the telephoto end or wide-angle end during shooting. This made it difficult to set the framing. Therefore, before shooting, it is necessary to check whether the desired frame can be obtained during zooming, and a huge amount of time is wasted on shooting.
本発明はかかる点に鑑み、変倍操作可能な範囲内で所定
のフレーミンクの設定を短時間で行なえる撮影装置を提
供せんとするものである。SUMMARY OF THE INVENTION In view of this, it is an object of the present invention to provide a photographing device that can quickly set a predetermined frame within a range that allows variable magnification.
課題を解決するだめの手段
上記問題点を解決するために本発明は、被写体の光学像
を変倍する変倍レンズ系を含む撮影レンズ系と、変倍レ
ンズ系を光軸方向に駆動する駆動手段と、撮影レンズ系
からの光学像を電気信号に変換する光電変換手段と、光
電変換手段からの電気信号を所定の映像信号に変換する
映像回路と、変倍レンズ系の位置を検出する位置検出手
段と、位置検出手段の検出信号を記憶する記憶手段と、
記憶手段に記憶させた記憶信号と位置検出手段の検出信
号を比較し、記憶信号と検出信号を合致させるように駆
動手段が変倍レンズ系を光軸方向に駆動するように制御
する制御手段と、映像回路の映像信号を表示し、かつ記
憶手段の記憶信号に対応する撮影範囲を表示する表示手
段とから構成したものである。Means for Solving the Problems In order to solve the above problems, the present invention provides a photographic lens system including a variable magnification lens system that changes the magnification of an optical image of a subject, and a drive that drives the variable magnification lens system in the optical axis direction. a photoelectric conversion means for converting an optical image from the photographing lens system into an electrical signal, a video circuit for converting the electrical signal from the photoelectric conversion means into a predetermined video signal, and a position for detecting the position of the variable magnification lens system. a detection means; a storage means for storing a detection signal of the position detection means;
a control means for comparing a storage signal stored in the storage means with a detection signal of the position detection means, and controlling the driving means to drive the variable magnification lens system in the optical axis direction so as to match the storage signal and the detection signal; , and display means for displaying the video signal of the video circuit and displaying the photographing range corresponding to the storage signal of the storage means.
作 用
本発明は、上記した構成によ勺撮影時のズーミング操作
において、あらかじめ所望の撮影範囲が得られるズーミ
ングの位置を記憶し、必要な場合にいつでも記憶したズ
ーミングの位置に設定できる構成にしているため、ズー
ミング時の撮影操作が容易になり、撮影したい構図を正
確にかつ容易に撮影できる撮影装置を提供するものであ
る。Effect of the Invention The present invention has a structure in which the zooming position at which a desired shooting range can be obtained is memorized in advance during the zooming operation during shooting, and the zooming position can be set to the memorized zooming position whenever necessary. Therefore, the purpose of the present invention is to provide a photographing device that facilitates photographing operations during zooming and can accurately and easily photograph a desired composition.
実施例
以下、本発明の一実施例の撮影装置について図面を参照
しながら説明する。第１図は本実施例の撮影装置の構成
を示すブロック図、第２図、第３図は表示手段の表示例
である。まず、第１図で全体の構成を説明する。Embodiment Hereinafter, a photographing apparatus according to an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing the configuration of the photographing device of this embodiment, and FIGS. 2 and 3 are display examples of the display means. First, the overall configuration will be explained with reference to FIG.
合焦レンズ系１．補正レンズ系２．結像レンズ系３はレ
ンズ鏡筒４に光軸全同一にして保持されている。また変
倍レンズ系６はレンズ鏡筒４に支持されたガイドポール
（図示せず）に案内されて光軸方向に移動する。レンズ
系１，２，３．５からの光学像はＣＣＤ （Ｃｈａｒｇ
ｅ Ｃｏｕｐｌｅｄ Ｄｅｖｉｃｅ）等の光電変換手段
６により電気信号に変換し、映像回路７により所定の映
像信号に変換する。そして映像信号は、電子ビューファ
インダー（以下ＥＶＦと称す）８により撮影者にモニタ
ーされる。Focusing lens system 1. Correction lens system 2. The imaging lens system 3 is held in a lens barrel 4 with all optical axes aligned. Further, the variable magnification lens system 6 is guided by a guide pole (not shown) supported by the lens barrel 4 and moves in the optical axis direction. Optical images from lens systems 1, 2, and 3.5 are captured by CCD (Charg
A photoelectric conversion means 6 such as an e-Coupled Device converts the signal into an electrical signal, and a video circuit 7 converts the signal into a predetermined video signal. The video signal is then monitored by the photographer using an electronic viewfinder (hereinafter referred to as EVF) 8.
変倍レンズ系６の光軸方向の移動は、モータ９を駆動す
ることにより行う。変倍レンズ系５の位置は、位置検出
手段１０により検出され、位置検出手段１０の検出信号
は外部スイッチ（図示せず）により撮影者の希望するズ
ーミング位置で記憶手段１１に記憶される。制御手段１
２は位置検出手段１０の検出信号と記憶手段１１の記憶
信号とを比較する比較回路１３と、比較回路１３で比較
された記憶手段１１の記憶信号を位置検出手段１０の検
出信号に合致させるようモータ９を制御する制御回路１
４とで構成されている。また記憶手段１１で記憶された
記憶信号は映像回路７内の演算部（図示せず）により撮
影範囲の算出が背われ、ＥＶＦｓに表示される。The variable magnification lens system 6 is moved in the optical axis direction by driving a motor 9. The position of the variable magnification lens system 5 is detected by the position detection means 10, and the detection signal of the position detection means 10 is stored in the storage means 11 at a zooming position desired by the photographer by an external switch (not shown). Control means 1
2 is a comparison circuit 13 for comparing the detection signal of the position detection means 10 and the storage signal of the storage means 11; Control circuit 1 that controls motor 9
It consists of 4. Further, the storage signal stored in the storage means 11 is displayed on the EVFs without calculation of the shooting range by a calculation unit (not shown) in the video circuit 7.
第２図は、所望のズーミング位置でのＥＶＦの表示例で
あり、点線１６の範囲は外部スイッチ（図示せず）によ
り記憶手段１１に記憶された撮影範囲を示し、第３図は
あるズーミング位置での表示例である。FIG. 2 shows an example of the display of the EVF at a desired zooming position, the range indicated by the dotted line 16 indicates the shooting range stored in the storage means 11 by an external switch (not shown), and FIG. This is an example of the display.
つぎに、その動作を説明する。Next, its operation will be explained.
撮影者は、あるズーミング位置から所望のズーミング位
置まで連続した動画を撮影しだい時、第２図のように所
望のズーミング位置で外部スイッチ（図示せず）をＯＮ
すると、変倍レンズ系５の位置を検出する位置検出手段
１０の検出信号が記憶手段１１に記憶され、さらに記憶
手段１１に記憶された記憶信号は映像回路７の演算部（
図示せず）により撮影範囲の算出が行われ、ＥＶＦｓに
表示される。次に撮影者は第３図に示す撮影範囲捷でズ
ームスイッチ（図示せず）によりズーミングを行う。こ
の状態で外部スイッチ（図示せず）をＯＮすると制御手
段１２により記憶手段１１に記憶された記憶信号が位置
検出手段の検出信号に合致するようにモータ９を制御し
、変倍レンズ系を光軸方向に所望のズーミング位置まで
駆動する。As soon as the photographer shoots a continuous video from a certain zooming position to a desired zooming position, he or she turns on an external switch (not shown) at the desired zooming position as shown in Figure 2.
Then, the detection signal of the position detection means 10 for detecting the position of the variable magnification lens system 5 is stored in the storage means 11, and the storage signal stored in the storage means 11 is further stored in the arithmetic unit (of the video circuit 7).
(not shown) calculates the imaging range and displays it on the EVFs. Next, the photographer performs zooming using a zoom switch (not shown) in the photographing range shown in FIG. When an external switch (not shown) is turned on in this state, the control means 12 controls the motor 9 so that the stored signal stored in the storage means 11 matches the detection signal of the position detection means, and the variable magnification lens system is turned on. Drive in the axial direction to the desired zooming position.
以上のように本実施例によれば、ズーミング時の撮影操
作が容易になり、撮影したい構図を正確にかつ容易に撮
影できる。As described above, according to the present embodiment, the photographing operation during zooming becomes easy, and the desired composition can be photographed accurately and easily.
なお、本実施例においては、記憶された撮影範囲を常時
表示するように構成しているが、−度所望のズーミング
位置まで駆動され移動が終了すると同時に表示を消すよ
うに構成してもよい。In this embodiment, the memorized photographing range is always displayed, but the display may be turned off as soon as the camera is driven to a desired zooming position and the movement is completed.
また、外部スイッチを複数個設け、複数の所望のズーミ
ング位置を記憶させておいても良い。Further, a plurality of external switches may be provided and a plurality of desired zooming positions may be stored.
発明の効果
以上のように、被写体の光学像を変倍する変倍レンズ系
を含む撮影レンズ系と、変倍レンズ系を光軸方向に駆動
する駆動手段と、撮影レンズ系からの光学像を電気信号
に変換する光電変換手段と、光電変換手段からの電気信
号を所定の映像信号に変換する映像回路と、変倍レンズ
系の位置を検出する位置検出手段と、所定の位置検出手
段の検出信号を記憶する記憶手段と、記憶手段に記憶さ
せた記憶信号と位置検出手段の検出信号を比較し、記憶
信号と検出信号を合致させるように駆動手段が変倍レン
ズ系を光軸方向に駆動するように制御する制御手段と、
映像回路の映像信号を表示し、かつ記憶手段の記憶信号
に対応する撮影範囲を表示する表示手段とから構成した
ことにより、所望のズーミング位置が記憶され、自動的
にその位置までズーミングされるのでズーミング時の撮
影操作が容易になり、撮影したい構図を正確にかつ容易
に撮影できる。Effects of the Invention As described above, a photographic lens system including a variable magnification lens system that changes the magnification of an optical image of a subject, a drive means that drives the variable magnification lens system in the optical axis direction, and an optical image from the photographic lens system are provided. A photoelectric conversion means for converting into an electric signal, a video circuit for converting the electric signal from the photoelectric conversion means into a predetermined video signal, a position detection means for detecting the position of the variable magnification lens system, and a detection of the predetermined position detection means. A storage means for storing the signal, and a driving means drives the variable magnification lens system in the optical axis direction so as to compare the stored signal stored in the storage means and the detection signal of the position detection means, and match the stored signal and the detection signal. a control means for controlling the
By comprising display means for displaying the video signal of the video circuit and displaying the photographing range corresponding to the storage signal of the storage means, the desired zooming position is memorized and zooming is automatically performed to that position. Shooting operations during zooming become easier, and the composition you want to shoot can be accurately and easily photographed.
第１図は本発明の一実施例における撮影装置のブロック
図、第２図、第３図は表示手段の表示例を示す表示画面
の平面図である。
１．２．３・・・・・・レンズ系、４・・・・・・レン
ズ鏡筒、６・・・・・・変倍レンズ系、６・・・・・・
光電変換手段、７・・・・・・映像回路、８・・・・・
・ＥＶＦ、ｃａ・・・・・・モーター、１ｏ・・・・・
・位置検出手段、１１・・・・・・記憶手段、１２・・
・・・・制御手段。
ノ２３−−−シンス゛五
箒 ｌ 図
−ＥＶＦ
ご２図FIG. 1 is a block diagram of a photographing device according to an embodiment of the present invention, and FIGS. 2 and 3 are plan views of a display screen showing examples of display on the display means. 1.2.3... Lens system, 4... Lens barrel, 6... Variable magnification lens system, 6...
Photoelectric conversion means, 7... Video circuit, 8...
・EVF, ca...Motor, 1o...
・Position detection means, 11... Storage means, 12...
...control means.ノ23---Synth Five Brooms Figure-EVF Figure 2
Claims (1)
ズ系と、前記変倍レンズ系を光軸方向に駆動する駆動手
段と、前記撮影レンズ系からの光学像を電気信号に変換
する光電変換手段と、前記光電変換手段からの電気信号
を所定の映像信号に変換する映像回路と、前記変倍レン
ズ系の位置を検出する位置検出手段と、前記所定の位置
検出手段の検出信号を記憶する記憶手段と、前記記憶手
段に記憶させた記憶信号と前記位置検出手段の検出信号
を比較し、前記記憶信号と前記検出信号を合致させるよ
うに前記駆動手段が前記変倍レンズ系を光軸方向に駆動
するように制御する制御手段と、前記映像回路の映像信
号を表示し、かつ前記記憶手段の記憶信号に対応する撮
影範囲を表示する表示手段とを具備したことを特徴とす
る撮影装置。a photographing lens system including a variable magnification lens system that changes the magnification of an optical image of a subject; a drive means that drives the variable magnification lens system in the optical axis direction; and a photoelectric converter that converts the optical image from the photographic lens system into an electrical signal. a conversion means, a video circuit for converting an electrical signal from the photoelectric conversion means into a predetermined video signal, a position detection means for detecting the position of the variable magnification lens system, and a detection signal of the predetermined position detection means is stored. and a storage means for comparing the storage signal stored in the storage means with the detection signal of the position detection means, and the driving means moves the variable magnification lens system along the optical axis so as to match the storage signal and the detection signal. A photographing device comprising: a control means for controlling driving in a direction; and a display means for displaying a video signal of the video circuit and a photographing range corresponding to a storage signal of the storage means. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63140030A JPH01309031A (en) | 1988-06-07 | 1988-06-07 | Photographing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63140030A JPH01309031A (en) | 1988-06-07 | 1988-06-07 | Photographing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01309031A true JPH01309031A (en) | 1989-12-13 |
Family
ID=15259324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63140030A Pending JPH01309031A (en) | 1988-06-07 | 1988-06-07 | Photographing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01309031A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015173489A (en) * | 2015-05-14 | 2015-10-01 | キヤノン株式会社 | Imaging apparatus and control method for the same |
-
1988
- 1988-06-07 JP JP63140030A patent/JPH01309031A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015173489A (en) * | 2015-05-14 | 2015-10-01 | キヤノン株式会社 | Imaging apparatus and control method for the same |
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