JPS6219611U - - Google Patents
Info
- Publication number
- JPS6219611U JPS6219611U JP11118585U JP11118585U JPS6219611U JP S6219611 U JPS6219611 U JP S6219611U JP 11118585 U JP11118585 U JP 11118585U JP 11118585 U JP11118585 U JP 11118585U JP S6219611 U JPS6219611 U JP S6219611U
- Authority
- JP
- Japan
- Prior art keywords
- support
- support body
- objective lens
- detects
- images
- 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
- 238000001514 detection method Methods 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000003384 imaging method Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 2
- 239000013013 elastic material Substances 0.000 claims 1
- 210000001747 pupil Anatomy 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
Landscapes
- Focusing (AREA)
Description
第１図乃至第６図は本考案の一実施例を示して
おり、第１図は本考案を適用した一眼レフレツク
スカメラの縦断面図、第２図は同実施例の焦点検
出用光学系の配置を示す図、第３図、第４図及び
第５図はそれぞれ同実施例の焦点検出ユニツトの
分解斜視図、平面図及び下方から見た斜視図、第
６図は第５図において取付部６０，６２を結ぶ線
での断面図、第７図は本考案の他実施例の要部を
示す平面図、第８図は本考案のさらに他の実施例
の要部を示す斜視図である。
ＴＬ…対物（撮影）レンズ、Ｌ１，Ｌ２…結像
光学系、１８…検出素子、３０…支持体、６０…
固定取付部、６２，６４…可動取付部、６１…連
結部、ＬＳ…金属製の板ばね。
1 to 6 show an embodiment of the present invention. FIG. 1 is a vertical sectional view of a single-lens reflex camera to which the present invention is applied, and FIG. 2 is a focus detection optical system of the same embodiment. 3, 4 and 5 are respectively an exploded perspective view, a top view and a perspective view from below of the focus detection unit of the same embodiment, and FIG. 6 is a diagram showing the arrangement of the system. 7 is a plan view showing the main parts of another embodiment of the present invention; FIG. 8 is a perspective view showing the main parts of still another embodiment of the present invention. It is. TL...Objective (photographing) lens, L1 , L2 ...Imaging optical system, 18...Detection element, 30...Support, 60...
Fixed mounting part, 62, 64...Movable mounting part, 61...Connecting part, LS...Metal leaf spring.
Claims (1)
２つの結像光学系と、その結像光学系の各々によ
り結像される２つの像を検出する検出素子と、そ
の結像光学系の前方に配置されるコンデンサーレ
ンズとを一体のユニツトとして保持する支持体を
有し、この支持体を機器本体の保持部に取付けた
状態で上記検出素子により検出される２つの像の
間隔から対物レンズの焦点検出状態を検出する焦
点検出装置において、上記支持体を機器本体の保
持部に固定する固定取付部と、対物レンズの瞳中
心に上記ユニツトの光軸を合致させるため光軸方
向に位置調整可能に上記支持体に設けられた２つ
の可動取付部と、上記固定取付部と上記支持体と
を連結する連結部とを備え、この連結部が上記支
持体を形成する材料とは異なる弾性材料で形成さ
れ、上記支持体に固定されたことを特徴とする支
持構造。 ２ 上記支持部材が合成樹脂で一体成形されてお
り、他方上記連結部が金属製の板ばねから成るこ
とを特徴とする実用新案登録請求の範囲第１項記
載の支持構造。[Claims for Utility Model Registration] 1. Two imaging optical systems disposed behind the expected focal plane of an objective lens, and a detection element that detects two images formed by each of the imaging optical systems. , and a condenser lens disposed in front of the imaging optical system as an integrated unit, the support body is attached to the holding part of the main body of the device, and the detection element detects the 2 images. In a focus detection device that detects the focus detection state of an objective lens from the interval between two images, a fixed mounting part that fixes the support to a holding part of the device body and an optical axis of the unit are aligned with the center of the pupil of the objective lens. two movable attachment parts provided on the support body so as to be adjustable in position in the optical axis direction; and a connection part connecting the fixed attachment part and the support body, the connection part forming the support body. A support structure characterized in that it is formed of an elastic material different from that of the support structure and is fixed to the support body. 2. The support structure according to claim 1, wherein the support member is integrally molded from synthetic resin, and the connecting portion is made of a metal leaf spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11118585U JPS6219611U (en) | 1985-07-19 | 1985-07-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11118585U JPS6219611U (en) | 1985-07-19 | 1985-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6219611U true JPS6219611U (en) | 1987-02-05 |
Family
ID=30990873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11118585U Pending JPS6219611U (en) | 1985-07-19 | 1985-07-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6219611U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001208539A (en) * | 2000-01-28 | 2001-08-03 | Canon Inc | Focus detector |
-
1985
- 1985-07-19 JP JP11118585U patent/JPS6219611U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001208539A (en) * | 2000-01-28 | 2001-08-03 | Canon Inc | Focus detector |
| JP4551520B2 (en) * | 2000-01-28 | 2010-09-29 | キヤノン株式会社 | Focus detection device |
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