JPH0562723B2 - - Google Patents
Info
- Publication number
- JPH0562723B2 JPH0562723B2 JP59278283A JP27828384A JPH0562723B2 JP H0562723 B2 JPH0562723 B2 JP H0562723B2 JP 59278283 A JP59278283 A JP 59278283A JP 27828384 A JP27828384 A JP 27828384A JP H0562723 B2 JPH0562723 B2 JP H0562723B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- diopter
- eyepiece
- finder
- negative
- 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 - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims description 28
- 238000010586 diagram Methods 0.000 description 30
- 230000004075 alteration Effects 0.000 description 24
- 230000000694 effects Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000005499 meniscus Effects 0.000 description 3
- 230000011514 reflex Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/14—Viewfinders
-
- 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
- G03B13/02—Viewfinders
- G03B13/06—Viewfinders with lenses with or without reflectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Optics & Photonics (AREA)
- Viewfinders (AREA)
- Lenses (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP27828384A JPS61156017A (ja) | 1984-12-27 | 1984-12-27 | 視度調整フアインダ− |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP27828384A JPS61156017A (ja) | 1984-12-27 | 1984-12-27 | 視度調整フアインダ− |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61156017A JPS61156017A (ja) | 1986-07-15 |
JPH0562723B2 true JPH0562723B2 (ru) | 1993-09-09 |
Family
ID=17595189
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP27828384A Granted JPS61156017A (ja) | 1984-12-27 | 1984-12-27 | 視度調整フアインダ− |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61156017A (ru) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2728884B2 (ja) * | 1988-05-18 | 1998-03-18 | キヤノン株式会社 | 変倍フアインダー |
JP3365780B2 (ja) * | 1991-08-23 | 2003-01-14 | オリンパス光学工業株式会社 | 実像式変倍ファインダー光学系 |
JP3369597B2 (ja) * | 1992-07-08 | 2003-01-20 | オリンパス光学工業株式会社 | ハイアイポイントファインダー光学系 |
JP5057923B2 (ja) | 2007-10-10 | 2012-10-24 | オリンパスイメージング株式会社 | 観察光学系およびそれを備えた撮像装置 |
JP6011163B2 (ja) * | 2012-08-29 | 2016-10-19 | 株式会社ニコン | 接眼レンズ |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54126530A (en) * | 1978-03-25 | 1979-10-01 | Minolta Camera Co Ltd | Diopter adjusting eyepiece lens and finder of single lens reflex camera using this |
JPS54126531A (en) * | 1978-03-24 | 1979-10-01 | Minolta Camera Co Ltd | Diopter adjusting eyepiece lens and finder of single lens reflex camera using this |
-
1984
- 1984-12-27 JP JP27828384A patent/JPS61156017A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54126531A (en) * | 1978-03-24 | 1979-10-01 | Minolta Camera Co Ltd | Diopter adjusting eyepiece lens and finder of single lens reflex camera using this |
JPS54126530A (en) * | 1978-03-25 | 1979-10-01 | Minolta Camera Co Ltd | Diopter adjusting eyepiece lens and finder of single lens reflex camera using this |
Also Published As
Publication number | Publication date |
---|---|
JPS61156017A (ja) | 1986-07-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |