JPH0448522U - - Google Patents
Info
- Publication number
- JPH0448522U JPH0448522U JP9000090U JP9000090U JPH0448522U JP H0448522 U JPH0448522 U JP H0448522U JP 9000090 U JP9000090 U JP 9000090U JP 9000090 U JP9000090 U JP 9000090U JP H0448522 U JPH0448522 U JP H0448522U
- Authority
- JP
- Japan
- Prior art keywords
- lens system
- focusing
- determining
- aperture
- driving
- 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
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 2
Landscapes
- Focusing (AREA)
Description
図面は本考案の実施例を示し、第１図は合焦装
置の一例を示す構成説明図、第２図は合焦装置の
他の例を示す構成説明図、第３図は合焦装置の他
の異なる例を示す構成説明図、第４図はカメラ及
びストロボと仮想被写体との関係を示す説明図で
ある。
１……ピント位置検出部、２……ＭＰＵ、３…
…フオーカシング制御部、４……絞り制御部、５
……焦点距離情報部、６……ＡＥ情報部、７……
ストロババガイドナンバ検出部。
The drawings show an embodiment of the present invention, and FIG. 1 is a configuration explanatory diagram showing an example of a focusing device, FIG. 2 is a configuration explanatory diagram showing another example of a focusing device, and FIG. 3 is a configuration explanatory diagram showing another example of a focusing device. FIG. 4 is a configuration explanatory diagram showing another different example, and FIG. 4 is an explanatory diagram showing the relationship between a camera, a strobe light, and a virtual subject. 1...Focus position detection unit, 2...MPU, 3...
...Focusing control section, 4...Aperture control section, 5
...Focal length information section, 6...AE information section, 7...
Strobe guide number detection section.
Claims (1)
点位置を求める演算手段と、 この演算手段で求めた過焦点位置に従つてレン
ズ系のフオーカシング駆動を行うフオーカシング
制御手段と を具備することを特徴とする合焦装置。 (2) ストロボのガイドナンバ及びレンズ系の絞
りＦ値からストロボ光到達距離を求め、このスト
ロボ光到達距離がレンズ系の後側被写界深度限界
点に等しくなるような焦点位置を求める演算手段
と、 この演算手段で求めた焦点位置に従つてレンズ
系のフオーカシング駆動を行うフオーカシング制
御手段と を具備することを特徴とする合焦装置。[Scope of Claim for Utility Model Registration] (1) Calculating means for determining the hyperfocal position from the aperture F value and focal length of the lens system, and focusing for driving the focusing of the lens system in accordance with the hyperfocal position determined by the calculating means. A focusing device comprising a control means. (2) Calculation means for determining the strobe light reach distance from the strobe guide number and the aperture F value of the lens system, and determining the focal position such that the strobe light reach distance is equal to the rear depth of field limit point of the lens system. and focusing control means for driving a lens system for focusing according to the focal position determined by the calculation means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9000090U JPH0448522U (en) | 1990-08-30 | 1990-08-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9000090U JPH0448522U (en) | 1990-08-30 | 1990-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0448522U true JPH0448522U (en) | 1992-04-24 |
Family
ID=31824391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9000090U Pending JPH0448522U (en) | 1990-08-30 | 1990-08-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0448522U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04136828A (en) * | 1990-09-28 | 1992-05-11 | Fuji Photo Film Co Ltd | Autofocusing camera |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS552286A (en) * | 1978-06-21 | 1980-01-09 | Minolta Camera Co Ltd | Automatic focus adjustment control unit of camera |
| JPS60242414A (en) * | 1984-05-17 | 1985-12-02 | Canon Inc | Automatic focus controller |
-
1990
- 1990-08-30 JP JP9000090U patent/JPH0448522U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS552286A (en) * | 1978-06-21 | 1980-01-09 | Minolta Camera Co Ltd | Automatic focus adjustment control unit of camera |
| JPS60242414A (en) * | 1984-05-17 | 1985-12-02 | Canon Inc | Automatic focus controller |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04136828A (en) * | 1990-09-28 | 1992-05-11 | Fuji Photo Film Co Ltd | Autofocusing camera |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5852517U (en) | Camera focus detection device | |
| JPH0448522U (en) | ||
| JPS606114U (en) | focus detection device | |
| JPS591011U (en) | auto focus device | |
| JPS6056014U (en) | distance measuring device | |
| JPS60110816U (en) | Autofocus lens shutter camera | |
| JPS6056015U (en) | distance measuring device | |
| JPS6088312U (en) | distance measuring device | |
| JPS5877308U (en) | Focusing device in microscope | |
| JPS6235338U (en) | ||
| JPS5862310U (en) | Zoom lens that can be used with automatic focus detection equipment | |
| JPS6044013U (en) | auto focus camera | |
| JPH0320323U (en) | ||
| JPS5862331U (en) | Imaging device with TTL optical viewfinder | |
| JPS6176420U (en) | ||
| JPS60173913U (en) | focus detection device | |
| JPS60189023U (en) | Focus detection device for single-lens reflex cameras | |
| JPH0178464U (en) | ||
| JPS62176836U (en) | ||
| JPS60112210U (en) | automatic focus device | |
| JPS58120917U (en) | Recording and photographing equipment for surveying telescopes | |
| JPS62106107U (en) | ||
| JPS57119309A (en) | Automatic focus control device | |
| JPH0175207U (en) | ||
| JPS5891710U (en) | Zoom lens imaging position pulse signal generator |