JPS6299040U - - Google Patents
Info
- Publication number
- JPS6299040U JPS6299040U JP19135885U JP19135885U JPS6299040U JP S6299040 U JPS6299040 U JP S6299040U JP 19135885 U JP19135885 U JP 19135885U JP 19135885 U JP19135885 U JP 19135885U JP S6299040 U JPS6299040 U JP S6299040U
- Authority
- JP
- Japan
- Prior art keywords
- focus
- focusing
- plate holder
- plate
- adjustment ring
- 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
- 230000003287 optical effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
Landscapes
- Viewfinders (AREA)
Description
第１図はこの考案の説明に供する撮像素子を使
用した一眼レフカメラの光学系の一例を示す構成
図、第２図はこの考案に係るピント板調整装置の
一例を示す要部の断面図、第３図は第２図の―
線上断面図、第４図は同様に―線上断面図
である。
１０…撮像光学系、１…フオーカスレンズ系、
３…マスターレンズ系、４…クイツクリターンミ
ラー、７…撮像素子、２０…フアインダー、２１
…ピント板、２２…ペンタプリズム、２２ｃ…第
１反射面、２２ｄ…第２反射面、２３…アイピー
スレンズ、３０…ピント板ベース、３５…スライ
ドガイド、４０…ピント板ホルダ、６０…ピント
調整リング、７０…駆動機構。
FIG. 1 is a configuration diagram showing an example of an optical system of a single-lens reflex camera using an image sensor used to explain this invention, and FIG. 2 is a sectional view of essential parts showing an example of a focusing plate adjustment device according to this invention. Figure 3 is the same as Figure 2.
The line sectional view and FIG. 4 are similarly line sectional views. 10...Imaging optical system, 1...Focus lens system,
3...Master lens system, 4...Quick return mirror, 7...Image sensor, 20...Finder, 21
... Focusing board, 22... Pentaprism, 22c... First reflecting surface, 22d... Second reflecting surface, 23... Eyepiece lens, 30... Focusing board base, 35... Slide guide, 40... Focusing board holder, 60... Focus adjustment ring , 70... Drive mechanism.
Claims (1)
このピント板ホルダのスライドガイドを有するピ
ント板ベースと、上記ピント板ホルダにネジ嵌合
され、かつピント板ベースに回動自在に支持され
たピント調整リングと、このピント調整リングを
回転させる駆動機構とからなるピント板調整装置
。 A focusing plate holder that can be slid vertically,
A focus plate base having a slide guide for the focus plate holder, a focus adjustment ring that is screw-fitted to the focus plate holder and rotatably supported by the focus plate base, and a drive mechanism that rotates the focus adjustment ring. A focusing plate adjustment device consisting of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19135885U JPS6299040U (en) | 1985-12-11 | 1985-12-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19135885U JPS6299040U (en) | 1985-12-11 | 1985-12-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6299040U true JPS6299040U (en) | 1987-06-24 |
Family
ID=31145425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19135885U Pending JPS6299040U (en) | 1985-12-11 | 1985-12-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6299040U (en) |
-
1985
- 1985-12-11 JP JP19135885U patent/JPS6299040U/ja active Pending
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