JPS5515005B2 - - Google Patents
Info
- Publication number
- JPS5515005B2 JPS5515005B2 JP12303374A JP12303374A JPS5515005B2 JP S5515005 B2 JPS5515005 B2 JP S5515005B2 JP 12303374 A JP12303374 A JP 12303374A JP 12303374 A JP12303374 A JP 12303374A JP S5515005 B2 JPS5515005 B2 JP S5515005B2
- Authority
- JP
- Japan
- 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
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/34—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/04—Reversed telephoto objectives
-
- 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
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2407—Optical details
- G02B23/2423—Optical details of the distal end
- G02B23/243—Objectives for endoscopes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Astronomy & Astrophysics (AREA)
- Lenses (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Endoscopes (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12303374A JPS5515005B2 (en) | 1974-10-26 | 1974-10-26 | |
| DE19752547713 DE2547713C2 (en) | 1974-10-26 | 1975-10-24 | Endoscope lens |
| US05/768,595 US4059344A (en) | 1974-10-26 | 1977-02-14 | Retrofocus-type objective for endoscopes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12303374A JPS5515005B2 (en) | 1974-10-26 | 1974-10-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5149734A JPS5149734A (en) | 1976-04-30 |
| JPS5515005B2 true JPS5515005B2 (en) | 1980-04-21 |
Family
ID=14850539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12303374A Expired JPS5515005B2 (en) | 1974-10-26 | 1974-10-26 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS5515005B2 (en) |
| DE (1) | DE2547713C2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011070930A1 (en) | 2009-12-11 | 2011-06-16 | オリンパスメディカルシステムズ株式会社 | Objective optical system |
| US9817226B2 (en) | 2014-09-22 | 2017-11-14 | Olympus Corporation | Endoscope objective optical system |
| US9846295B2 (en) | 2014-07-11 | 2017-12-19 | Olympus Corporation | Objective optical system |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2404238A1 (en) * | 1977-09-22 | 1979-04-20 | Legrand Daniel | PANORAMIC OBSERVATION DEVICE THROUGH VERY THICKNESS WALLS |
| JPS54107182A (en) * | 1978-02-08 | 1979-08-22 | Fuji Photo Optical Co Ltd | Endoscope optical system |
| JPS55143805U (en) * | 1979-04-04 | 1980-10-15 | ||
| JPS5619020A (en) * | 1979-07-26 | 1981-02-23 | Fuji Photo Optical Co Ltd | Endscope optical system |
| JPS5740408U (en) * | 1980-08-14 | 1982-03-04 | ||
| JPS6046410B2 (en) * | 1980-10-08 | 1985-10-16 | オリンパス光学工業株式会社 | endoscope objective lens |
| JPS5882859U (en) * | 1981-12-01 | 1983-06-04 | 栄船舶電機株式会社 | disposer |
| JPS5937405A (en) * | 1982-08-26 | 1984-02-29 | Mitsutoyo Mfg Co Ltd | Photoelectric type measuring device |
| JPS59226315A (en) * | 1983-06-08 | 1984-12-19 | Olympus Optical Co Ltd | Endoscope objective lens |
| JPH0685021B2 (en) * | 1983-12-28 | 1994-10-26 | オリンパス光学工業株式会社 | Rigid endoscope optical system |
| JPS60263916A (en) * | 1984-06-13 | 1985-12-27 | Olympus Optical Co Ltd | Retrofocus type varifocal objective lens for endoscope |
| JP2558333B2 (en) * | 1988-09-06 | 1996-11-27 | オリンパス光学工業株式会社 | Endoscope objective optical system |
| JP5431077B2 (en) * | 2009-09-03 | 2014-03-05 | 富士フイルム株式会社 | Projection lens and projection display device |
| WO2020217443A1 (en) * | 2019-04-26 | 2020-10-29 | オリンパス株式会社 | Endoscope objective optical system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3020804A (en) * | 1958-12-08 | 1962-02-13 | Bell & Howell Co | Optical objective |
| DE1300311B (en) * | 1967-03-30 | 1969-07-31 | Isco Gmbh Optische Werke | Photographic or cinematographic lens |
| JPS5038936B2 (en) * | 1972-05-04 | 1975-12-13 | ||
| JPS5831569B2 (en) * | 1972-05-10 | 1983-07-07 | オリンパス光学工業株式会社 | A wide-angle lens with a moving lens near the aperture to correct close-up performance. |
| JPS4929132A (en) * | 1972-07-08 | 1974-03-15 |
-
1974
- 1974-10-26 JP JP12303374A patent/JPS5515005B2/ja not_active Expired
-
1975
- 1975-10-24 DE DE19752547713 patent/DE2547713C2/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011070930A1 (en) | 2009-12-11 | 2011-06-16 | オリンパスメディカルシステムズ株式会社 | Objective optical system |
| US9846295B2 (en) | 2014-07-11 | 2017-12-19 | Olympus Corporation | Objective optical system |
| US9817226B2 (en) | 2014-09-22 | 2017-11-14 | Olympus Corporation | Endoscope objective optical system |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2547713C2 (en) | 1986-05-28 |
| JPS5149734A (en) | 1976-04-30 |
| DE2547713A1 (en) | 1976-05-06 |