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2 010 274

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IPC

(21) (22)

Application

4916696/10, 1991-03-05

(22)

Actual filing date

1991-03-05

(45)

Published

1994-03-30

(72)

Inventor

Butsevitskij A.V.Voznesenskij N.B.Kurchinskaja L.N.Przhevalinskij L.I.Usoskin V.V.Sokol'Skij M.N.

(73)

Holder

Sankt-Peterburgskij Institut Tochnoj Mekhaniki I Optiki

ACHROMATIC OBJECTIVE LENS OF MICROSCOPE Russian patent published in 1994 - IPC

Abstract RU 2010274 C1

FIELD: optical instrumentation. SUBSTANCE: objective lens has biconvex lens, negative meniscus facing image space with concavity, converging meniscus facing image space with concavity, biconvex single lens and barrel lens. EFFECT: improved efficiency and accuracy. 3 dwg

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RU 2 010 274 C1

Authors

Butsevitskij A.V.

Voznesenskij N.B.

Kurchinskaja L.N.

Przhevalinskij L.I.

Usoskin V.V.

Sokol'Skij M.N.

Dates

1994-03-30—Published

1991-03-05—Filed