JPS63185113U - - Google Patents
Info
- Publication number
- JPS63185113U JPS63185113U JP7528287U JP7528287U JPS63185113U JP S63185113 U JPS63185113 U JP S63185113U JP 7528287 U JP7528287 U JP 7528287U JP 7528287 U JP7528287 U JP 7528287U JP S63185113 U JPS63185113 U JP S63185113U
- Authority
- JP
- Japan
- Prior art keywords
- focus
- detection
- light
- focus detection
- detection light
- 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 5
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Focusing (AREA)
- Lens Barrels (AREA)
Description
第１図はこの考案のレンズ鏡胴の断面図、第２
図はこの考案を実施する合焦光学系の基本光学配
置図である。
１：合焦用ＦＣレンズ群、２：変倍レンズ群、
３：補正レンズ群、４：マスターレンズ前群、５
：マスターレンズ後群、６：第１ミラー、７：第
２ミラー、８：ＡＦレンズ群、９：焦点検出部、
１０：フオーカスリング、１１：ＦＣ枠、１２：
指標リング、１３：ＡＦ固定胴。
Figure 1 is a sectional view of the lens barrel of this invention, Figure 2 is a sectional view of the lens barrel of this invention.
The figure is a basic optical arrangement diagram of a focusing optical system implementing this invention. 1: Focusing FC lens group, 2: Variable magnification lens group,
3: Correction lens group, 4: Master lens front group, 5
: Master lens rear group, 6: First mirror, 7: Second mirror, 8: AF lens group, 9: Focus detection section,
10: Focus ring, 11: FC frame, 12:
Index ring, 13: AF fixed barrel.
Claims (1)
撮影光路外に反射させるミラー部とその検出光を
焦点検出部に導く光学系と焦点検出部を１つの部
品に取り付け、ユニツト化したことを特徴とする
オートフオーカス用レンズ鏡胴。 The mirror part that reflects part of the subject light out of the photographing optical path as detection light for focus adjustment, the optical system that guides the detection light to the focus detection part, and the focus detection part are attached to one part, making it a unit. Characteristic autofocus lens barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7528287U JPS63185113U (en) | 1987-05-21 | 1987-05-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7528287U JPS63185113U (en) | 1987-05-21 | 1987-05-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63185113U true JPS63185113U (en) | 1988-11-29 |
Family
ID=30921276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7528287U Pending JPS63185113U (en) | 1987-05-21 | 1987-05-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63185113U (en) |
-
1987
- 1987-05-21 JP JP7528287U patent/JPS63185113U/ja active Pending
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