RU2006106346A - WIDE-angle LENS WITH EXTENDED ENTRANCE - Google Patents
WIDE-angle LENS WITH EXTENDED ENTRANCE Download PDFInfo
- Publication number
- RU2006106346A RU2006106346A RU2006106346/28A RU2006106346A RU2006106346A RU 2006106346 A RU2006106346 A RU 2006106346A RU 2006106346/28 A RU2006106346/28 A RU 2006106346/28A RU 2006106346 A RU2006106346 A RU 2006106346A RU 2006106346 A RU2006106346 A RU 2006106346A
- Authority
- RU
- Russia
- Prior art keywords
- component
- wide
- glued
- objects
- positive
- Prior art date
Links
- 230000005499 meniscus Effects 0.000 claims abstract 2
- 210000001747 pupil Anatomy 0.000 claims abstract 2
Landscapes
- Lenses (AREA)
Abstract
Широкоугольный объектив с вынесенным входным зрачком, содержащий четыре компонента, первый из которых - отрицательный мениск, обращенный вогнутостью к пространству предметов, второй и третий - положительные, причем третий компонент склеен из двух линз, а четвертый - одиночная линза, отличающийся тем, что первый компонент выполнен с соотношением его толщины к световому диаметру, не превышающим 0,2, второй компонент выполнен склеенным из положительного и отрицательного менисков, обращенных вогнутостью к пространству предметов, а четвертый компонент - двояковогнутая линза, причем между третьим и четвертым компонентами установлена плоскопараллельная пластинка.A wide-angle lens with a remote entrance pupil containing four components, the first of which is the negative meniscus facing the concavity of the space of objects, the second and third are positive, the third component is glued from two lenses, and the fourth is a single lens, characterized in that the first component made with a ratio of its thickness to light diameter not exceeding 0.2, the second component is glued from positive and negative menisci facing concavity to the space of objects, and the fourth Symbol Item - a biconcave lens, and between the third and fourth components mounted plane-parallel plate.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2006106346/28A RU2313812C2 (en) | 2006-02-28 | 2006-02-28 | Wide-angle objective with extended entrance pupil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2006106346/28A RU2313812C2 (en) | 2006-02-28 | 2006-02-28 | Wide-angle objective with extended entrance pupil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2006106346A true RU2006106346A (en) | 2007-09-20 |
| RU2313812C2 RU2313812C2 (en) | 2007-12-27 |
Family
ID=39019131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2006106346/28A RU2313812C2 (en) | 2006-02-28 | 2006-02-28 | Wide-angle objective with extended entrance pupil |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2313812C2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2359293C1 (en) * | 2008-01-23 | 2009-06-20 | Открытое акционерное общество "Красногорский завод им. С.А. Зверева" | Large aperture lens system |
| RU2399072C2 (en) * | 2008-06-16 | 2010-09-10 | Государственное образовательное учреждение высшего профессионального образования "САНКТ-ПЕТЕРБУРГСКИЙ ГОСУДАРСТВЕННЫЙ УНИВЕРСИТЕТ ИНФОРМАЦИОННЫХ ТЕХНОЛОГИЙ, МЕХАНИКИ и ОПТИКИ" (ГОУВП "СПбГУИТМО) | Wide-angle lens with objective lens with remote entrance pupil |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2133488C1 (en) * | 1997-08-19 | 1999-07-20 | Анитропова-Лившиц Ирина Леонидовна | Wide-angle lens with remote entrance pupil |
| RU2213988C2 (en) * | 2001-04-27 | 2003-10-10 | Открытое Акционерное Общество "Пеленг" | Lens with taken-out entrance pupil |
| RU2225628C2 (en) * | 2001-10-08 | 2004-03-10 | Бронштейн Игорь Григорьевич | Lens with removed entrance pupil ( variants ) |
-
2006
- 2006-02-28 RU RU2006106346/28A patent/RU2313812C2/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| RU2313812C2 (en) | 2007-12-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20170301 |