FI60452C - Optiskt objektiv-system - Google Patents
Optiskt objektiv-system Download PDFInfo
- Publication number
- FI60452C FI60452C FI1859/73A FI185973A FI60452C FI 60452 C FI60452 C FI 60452C FI 1859/73 A FI1859/73 A FI 1859/73A FI 185973 A FI185973 A FI 185973A FI 60452 C FI60452 C FI 60452C
- Authority
- FI
- Finland
- Prior art keywords
- lens
- lens system
- components
- different
- air gap
- Prior art date
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 -
- G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only
- G02B9/14—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - +
- G02B9/18—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - + only one component having a compound lens
- G02B9/20—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - + only one component having a compound lens the rear component having the compound
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/24—Optical objectives specially designed for the purposes specified below for reproducing or copying at short object distances
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/02—Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CS409272A CS152944B1 (zh) | 1972-06-13 | 1972-06-13 | |
CS409272 | 1972-06-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
FI60452B FI60452B (fi) | 1981-09-30 |
FI60452C true FI60452C (fi) | 1982-01-11 |
Family
ID=5382905
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI1859/73A FI60452C (fi) | 1972-06-13 | 1973-06-07 | Optiskt objektiv-system |
Country Status (11)
Country | Link |
---|---|
US (1) | US3864028A (zh) |
JP (1) | JPS4952635A (zh) |
AT (1) | AT326385B (zh) |
CS (1) | CS152944B1 (zh) |
DE (1) | DE2325489C3 (zh) |
DK (1) | DK137733B (zh) |
FI (1) | FI60452C (zh) |
FR (1) | FR2188177B3 (zh) |
GB (1) | GB1403471A (zh) |
IT (1) | IT985429B (zh) |
NO (1) | NO136434C (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5459933A (en) * | 1977-10-20 | 1979-05-15 | Canon Inc | Photographic lens of rear diaphragm tessar type |
JPS5664310A (en) * | 1979-10-29 | 1981-06-01 | Canon Inc | Projecting lens |
TW200641299A (en) | 2006-08-08 | 2006-12-01 | Camdeor Technology Co Ltd | Infrared laser diffuse apparatus |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2346086A (en) * | 1942-06-01 | 1944-04-04 | Eastman Kodak Co | Photographic objective |
-
1972
- 1972-06-13 CS CS409272A patent/CS152944B1/cs unknown
-
1973
- 1973-05-18 GB GB2370573A patent/GB1403471A/en not_active Expired
- 1973-05-19 DE DE2325489A patent/DE2325489C3/de not_active Expired
- 1973-05-21 NO NO2078/73A patent/NO136434C/no unknown
- 1973-06-06 DK DK310373AA patent/DK137733B/da not_active IP Right Cessation
- 1973-06-07 US US367822A patent/US3864028A/en not_active Expired - Lifetime
- 1973-06-07 FI FI1859/73A patent/FI60452C/fi active
- 1973-06-08 AT AT511473A patent/AT326385B/de not_active IP Right Cessation
- 1973-06-12 IT IT50708/73A patent/IT985429B/it active
- 1973-06-12 JP JP48066244A patent/JPS4952635A/ja active Pending
- 1973-06-13 FR FR7321465A patent/FR2188177B3/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS4952635A (zh) | 1974-05-22 |
FI60452B (fi) | 1981-09-30 |
CS152944B1 (zh) | 1974-02-22 |
ATA511473A (de) | 1975-02-15 |
DK137733C (zh) | 1978-10-02 |
DE2325489B2 (de) | 1975-02-27 |
FR2188177B3 (zh) | 1976-05-28 |
AT326385B (de) | 1975-12-10 |
DK137733B (da) | 1978-04-24 |
DE2325489C3 (de) | 1975-10-16 |
NO136434B (zh) | 1977-05-23 |
NO136434C (no) | 1977-08-31 |
FR2188177A1 (zh) | 1974-01-18 |
GB1403471A (en) | 1975-08-28 |
US3864028A (en) | 1975-02-04 |
DE2325489A1 (de) | 1974-01-03 |
IT985429B (it) | 1974-11-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5442515B2 (ja) | 投写用レンズおよびこれを用いた投写型表示装置 | |
US3364816A (en) | High intensity reflection copying system | |
TWI795592B (zh) | 投影鏡頭及投影機 | |
CN108051905A (zh) | 成像镜头和摄影装置 | |
FI60452C (fi) | Optiskt objektiv-system | |
US2649023A (en) | Modified gauss-type four-component photographic objective | |
US2441036A (en) | Lens system for telescopes | |
SU592375A3 (ru) | Объектив с переменным увеличением | |
CN214704161U (zh) | 一种内置同轴照明的双远心镜头 | |
FI60451B (fi) | Reproduktionsobjektiv | |
RU162339U1 (ru) | Двухлинзовый объектив | |
RU163268U1 (ru) | Двухлинзовый объектив | |
US3428386A (en) | Modified petzval lens assembly | |
JPS6252516A (ja) | 超広角マイクログラフイツク・レンズ | |
US3486810A (en) | Five component optical objective | |
US2807983A (en) | Five component high speed objective of modified gaussian type | |
US1716668A (en) | Wide-angle image glass or finder for cameras | |
RU2225628C2 (ru) | Объектив с вынесенным входным зрачком (варианты) | |
US2428122A (en) | Optical projecting lens system | |
RU2820220C1 (ru) | Вариофокальный объектив с телецентрическим ходом лучей в пространствах предметов и изображений | |
US3212400A (en) | Objective lens consisting of four independent lens units | |
SU777615A1 (ru) | Светосильный гидрообъектив с вынесенным входным зрачком | |
US3400994A (en) | Two component wide angle camera lens | |
RU2379721C1 (ru) | Проекционный светосильный объектив | |
US2929297A (en) | Telephoto objective |