JPS6119017B2 - - Google Patents
Info
- Publication number
- JPS6119017B2 JPS6119017B2 JP13052980A JP13052980A JPS6119017B2 JP S6119017 B2 JPS6119017 B2 JP S6119017B2 JP 13052980 A JP13052980 A JP 13052980A JP 13052980 A JP13052980 A JP 13052980A JP S6119017 B2 JPS6119017 B2 JP S6119017B2
- Authority
- JP
- Japan
- Prior art keywords
- eyepiece
- lens component
- lens
- positive lens
- positive
- 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
- 230000004075 alteration Effects 0.000 description 13
- 230000003287 optical effect Effects 0.000 description 6
- 239000002131 composite material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000010365 information processing Effects 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 238000005375 photometry Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 206010010071 Coma Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lenses (AREA)
- Viewfinders (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13052980A JPS5754931A (en) | 1980-09-19 | 1980-09-19 | View finder for single-lens reflex camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13052980A JPS5754931A (en) | 1980-09-19 | 1980-09-19 | View finder for single-lens reflex camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5754931A JPS5754931A (en) | 1982-04-01 |
| JPS6119017B2 true JPS6119017B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-05-15 |
Family
ID=15036472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13052980A Granted JPS5754931A (en) | 1980-09-19 | 1980-09-19 | View finder for single-lens reflex camera |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5754931A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0758368B2 (ja) * | 1989-01-09 | 1995-06-21 | 旭光学工業株式会社 | ペンタミラーを用いた一眼レフカメラのファインダー光学系 |
| US5136427A (en) * | 1989-01-09 | 1992-08-04 | Asahi Kogaku K.K. | Optical system for use with a viewfinder |
| KR20000059525A (ko) * | 1999-03-04 | 2000-10-05 | 윤종용 | 고배율 뷰파인더 렌즈를 갖는 광학 시스템 |
-
1980
- 1980-09-19 JP JP13052980A patent/JPS5754931A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5754931A (en) | 1982-04-01 |