RU94021533A - Zoom lens - Google Patents

Zoom lens

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Publication number
RU94021533A
RU94021533A RU94021533/28A RU94021533A RU94021533A RU 94021533 A RU94021533 A RU 94021533A RU 94021533/28 A RU94021533/28 A RU 94021533/28A RU 94021533 A RU94021533 A RU 94021533A RU 94021533 A RU94021533 A RU 94021533A
Authority
RU
Russia
Prior art keywords
lens
directed
image
convex
double
Prior art date
Application number
RU94021533/28A
Other languages
Russian (ru)
Other versions
RU2071703C1 (en
Inventor
С.Н. Бездидько
Л.И. Гришина
Н.Е. Низина
Original Assignee
Акционерное общество открытого типа "Красногорский завод"
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 Акционерное общество открытого типа "Красногорский завод" filed Critical Акционерное общество открытого типа "Красногорский завод"
Priority to RU94021533/28A priority Critical patent/RU2071703C1/en
Publication of RU94021533A publication Critical patent/RU94021533A/en
Application granted granted Critical
Publication of RU2071703C1 publication Critical patent/RU2071703C1/en

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Abstract

FIELD: optical instruments. SUBSTANCE: device has two member. One of them has linear motion, another one has non-linear motion. First member is designed as negative meniscus which concave side is directed to image, double concave lens and positive meniscus which convex side is directed to object. Second member is designed as double convex lens, combined lens which consists of positive meniscus which convex side is directed to object and negative meniscus which concave side is directed to image, double concave lens and double convex lens. EFFECT: increased functional capabilities.

Claims (1)

Панкратический объектив относится к фотографическим объективам и может быть использован в фотоаппаратах типа "Зенит". Панкратический объектив состоит из двух компонентов, первый из которых перемещается по нелинейному закону, второй - по линейному закону. Первый компонент выполнен из отрицательного мениска, обращенного вогнутостью к изображению, двояковогнутой линзы и положительного мениска, обращенного выпуклостью к предмету. Второй компонент выполнен из двояковыпуклой линзы, склеенной линзы, состоящей из положительного мениска, обращенного выпуклостью к предмету и отрицательного мениска, обращенного вогнутостью к изображению, двояковогнутой линзы и двояковыпуклою линзы.Pancratic lens refers to photographic lenses and can be used in Zenith cameras. A pancratic lens consists of two components, the first of which moves according to a nonlinear law, the second according to a linear law. The first component is made of a negative meniscus facing concavity to the image, a biconcave lens and a positive meniscus convex to the object. The second component is made of a biconvex lens, a glued lens consisting of a positive meniscus convex to the object and a negative meniscus facing concavity to the image, a biconcave lens, and a biconvex lens.
RU94021533/28A 1994-06-15 1994-06-15 ZOOM LENS RU2071703C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU94021533/28A RU2071703C1 (en) 1994-06-15 1994-06-15 ZOOM LENS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU94021533/28A RU2071703C1 (en) 1994-06-15 1994-06-15 ZOOM LENS

Publications (2)

Publication Number Publication Date
RU94021533A true RU94021533A (en) 1996-08-20
RU2071703C1 RU2071703C1 (en) 1997-01-10

Family

ID=35454058

Family Applications (1)

Application Number Title Priority Date Filing Date
RU94021533/28A RU2071703C1 (en) 1994-06-15 1994-06-15 ZOOM LENS

Country Status (1)

Country Link
RU (1) RU2071703C1 (en)

Also Published As

Publication number Publication date
RU2071703C1 (en) 1997-01-10

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Legal Events

Date Code Title Description
MM4A The patent is invalid due to non-payment of fees

Effective date: 20040616