JPS647367B2 - - Google Patents
Info
- Publication number
- JPS647367B2 JPS647367B2 JP9371280A JP9371280A JPS647367B2 JP S647367 B2 JPS647367 B2 JP S647367B2 JP 9371280 A JP9371280 A JP 9371280A JP 9371280 A JP9371280 A JP 9371280A JP S647367 B2 JPS647367 B2 JP S647367B2
- Authority
- JP
- Japan
- Prior art keywords
- plate
- camera body
- focus
- focus plate
- unit
- 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
- 230000011514 reflex Effects 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims 2
- 230000008878 coupling Effects 0.000 description 23
- 238000010168 coupling process Methods 0.000 description 23
- 238000005859 coupling reaction Methods 0.000 description 23
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000001010 compromised effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005375 photometry Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000000463 material Substances 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 |
|---|---|---|---|
| JP9371280A JPS5719721A (en) | 1980-07-09 | 1980-07-09 | Interchangeable focal plate unit for reflex camera |
| 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 |
|---|---|---|---|
| JP9371280A JPS5719721A (en) | 1980-07-09 | 1980-07-09 | Interchangeable focal plate unit for reflex camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5719721A JPS5719721A (en) | 1982-02-02 |
| JPS647367B2 true JPS647367B2 (enrdf_load_html_response) | 1989-02-08 |
Family
ID=14090024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9371280A Granted JPS5719721A (en) | 1980-01-31 | 1980-07-09 | Interchangeable focal plate unit for reflex camera |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5719721A (enrdf_load_html_response) |
-
1980
- 1980-07-09 JP JP9371280A patent/JPS5719721A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5719721A (en) | 1982-02-02 |