RU1775701C - Variable-focal-length objective lens - Google Patents

Variable-focal-length objective lens

Info

Publication number
RU1775701C
RU1775701C SU914916729A SU4916729A RU1775701C RU 1775701 C RU1775701 C RU 1775701C SU 914916729 A SU914916729 A SU 914916729A SU 4916729 A SU4916729 A SU 4916729A RU 1775701 C RU1775701 C RU 1775701C
Authority
RU
Russia
Prior art keywords
focal
variable
objective lens
optical
lens
Prior art date
Application number
SU914916729A
Other languages
Russian (ru)
Inventor
Анатолий Борисович Агурок
Татьяна Михайловна Вильнер
Original Assignee
Научно-производственное объединение "Экран"
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Научно-производственное объединение "Экран" filed Critical Научно-производственное объединение "Экран"
Priority to SU914916729A priority Critical patent/RU1775701C/en
Application granted granted Critical
Publication of RU1775701C publication Critical patent/RU1775701C/en

Links

Landscapes

  • Lenses (AREA)

Abstract

Использование: в оптическом приборостроении . Сущность изобретени  заключаетс  в том, что в объектив, состо щий из четырех компонентов 1, 2, 3. 4. в компонент 4 введена дво ковыпукла  линза 18, расположенна  после отрицательной двухсклеен- ной линзы и выполненна  с оптической линзой, равной 0,162 (ро5 оптическа  сила компонента 4 составл ет 0,150 раб, мениск 8 выполнен с оптической силой, равной - 0,388 , мениск 11 выполнен с оптической силой равной 0,075 р0б. 3 ил.Usage: in optical instrumentation. The essence of the invention lies in the fact that in the lens, consisting of four components 1, 2, 3. 4. a double convex lens 18 is inserted into component 4, located after the negative double-glued lens and made with an optical lens equal to 0.162 (po5 optical the strength of component 4 is 0.150 slaves, meniscus 8 is made with an optical power of 0.388, meniscus 11 is made with an optical power of 0.075 p.b. 3 sludge.

Description

-h

Графики о$ерроции дм Charts about $ errocy dm

SU914916729A 1991-03-05 1991-03-05 Variable-focal-length objective lens RU1775701C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU914916729A RU1775701C (en) 1991-03-05 1991-03-05 Variable-focal-length objective lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU914916729A RU1775701C (en) 1991-03-05 1991-03-05 Variable-focal-length objective lens

Publications (1)

Publication Number Publication Date
RU1775701C true RU1775701C (en) 1992-11-15

Family

ID=21563620

Family Applications (1)

Application Number Title Priority Date Filing Date
SU914916729A RU1775701C (en) 1991-03-05 1991-03-05 Variable-focal-length objective lens

Country Status (1)

Country Link
RU (1) RU1775701C (en)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Патент US № 4687303. кл. G 02 В 15/16, 1987. Патент FR ISfe 2514514, кл.С02В 15/18. 1983. *

Similar Documents

Publication Publication Date Title
CA2048013A1 (en) Multifocal diffractive ophthalmic lenses
DK669487A (en) EYE LENS WITH INCREASING POWER
CA2078116A1 (en) Multifocal bi-refringent lens with matched bi-refringence
KR880005484A (en) A camera with interchangeable shooting lenses and a camera body that can be used with it
MY106892A (en) Compact varifocal lens.
DE59304449D1 (en) Intraocular lens set
AU8575791A (en) Multifocal intraocular lenses
DE69015273D1 (en) Optical interference coatings and lamps with such interference coatings.
ES2079827T3 (en) TOTAL WRIST PROSTHESIS.
EP0244941A3 (en) Intraocular lens with converging and diverging optical portions
NO930458L (en) THE LITTLE CONTAINER WITH POWER CONNECTION
GB8317786D0 (en) Intraocular lens
ES294191Y (en) OPTICAL DEVICE, CONSISTING OF A 100X MICROSCOPE WITH A 1.5 V FLASHLIGHT INCORPORATED
GB2261744B (en) Variable power view finder with aspheric lens surfaces
KR920019160A (en) Facsimile Lens
DE68912087D1 (en) Spectacle lens with positive refractive power and large diameter.
ATE78934T1 (en) COMPACT WIDE ANGLE LENS.
RU1775701C (en) Variable-focal-length objective lens
JPS6452111A (en) Compact zoom lens
AU8321287A (en) Multi-focal lens equipped with small progressive-focal lens
EP0225776A3 (en) Device and kit for cleaning lenses of telescopes, cameras and the like
JPS57168214A (en) Albada finder
EP0397171A3 (en) Optical device
EP0225824A3 (en) A high relative aperture objective lens system with compound focusing
GR3003902T3 (en)