JPS646445B2 - - Google Patents
Info
- Publication number
- JPS646445B2 JPS646445B2 JP9300680A JP9300680A JPS646445B2 JP S646445 B2 JPS646445 B2 JP S646445B2 JP 9300680 A JP9300680 A JP 9300680A JP 9300680 A JP9300680 A JP 9300680A JP S646445 B2 JPS646445 B2 JP S646445B2
- Authority
- JP
- Japan
- Prior art keywords
- replacement
- camera body
- focusing plate
- holding
- replacement member
- 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.)
- Expired
Links
- 230000008878 coupling Effects 0.000 claims description 20
- 238000010168 coupling process Methods 0.000 claims description 20
- 238000005859 coupling reaction Methods 0.000 claims description 20
- 230000003287 optical effect Effects 0.000 claims 5
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 230000011514 reflex Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005375 photometry Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B19/00—Cameras
- G03B19/02—Still-picture cameras
- G03B19/12—Reflex cameras with single objective and a movable reflector or a partly-transmitting mirror
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/18—Focusing aids
- G03B13/24—Focusing screens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Viewfinders (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9300680A JPS5717941A (en) | 1980-07-08 | 1980-07-08 | Member for focusing plate unit exchange |
DE3102979A DE3102979C2 (de) | 1980-01-31 | 1981-01-29 | Austauschvorrichtung für eine Einstellscheibe bei einer einäugigen Spiegelreflexkamera |
US06/230,272 US4346973A (en) | 1980-01-31 | 1981-01-30 | Focusing screen interchanging device in single lens reflex camera |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9300680A JPS5717941A (en) | 1980-07-08 | 1980-07-08 | Member for focusing plate unit exchange |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5717941A JPS5717941A (en) | 1982-01-29 |
JPS646445B2 true JPS646445B2 (US08124317-20120228-C00026.png) | 1989-02-03 |
Family
ID=14070295
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9300680A Granted JPS5717941A (en) | 1980-01-31 | 1980-07-08 | Member for focusing plate unit exchange |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5717941A (US08124317-20120228-C00026.png) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4931442B2 (ja) * | 2006-03-03 | 2012-05-16 | ペンタックスリコーイメージング株式会社 | フォーカシングスクリーンの交換可能なカメラ |
-
1980
- 1980-07-08 JP JP9300680A patent/JPS5717941A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5717941A (en) | 1982-01-29 |