RU96114682A - LIGHT LIGHT FOR THE NEAR IR SPECTRUM AREA - Google Patents

LIGHT LIGHT FOR THE NEAR IR SPECTRUM AREA

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Publication number
RU96114682A
RU96114682A RU96114682/28A RU96114682A RU96114682A RU 96114682 A RU96114682 A RU 96114682A RU 96114682/28 A RU96114682/28 A RU 96114682/28A RU 96114682 A RU96114682 A RU 96114682A RU 96114682 A RU96114682 A RU 96114682A
Authority
RU
Russia
Prior art keywords
light
components
lens
component
spectrum area
Prior art date
Application number
RU96114682/28A
Other languages
Russian (ru)
Other versions
RU2094834C1 (en
Inventor
С.Н. Бездидько
Л.И. Гришина
Original Assignee
Открытое акционерное общество "Красногорский завод им.С.А.Зверева"
Filing date
Publication date
Application filed by Открытое акционерное общество "Красногорский завод им.С.А.Зверева" filed Critical Открытое акционерное общество "Красногорский завод им.С.А.Зверева"
Priority to RU96114682A priority Critical patent/RU2094834C1/en
Priority claimed from RU96114682A external-priority patent/RU2094834C1/en
Application granted granted Critical
Publication of RU2094834C1 publication Critical patent/RU2094834C1/en
Publication of RU96114682A publication Critical patent/RU96114682A/en

Links

Claims (1)

Светосильный объектив для ближней ИК-области спектра, содержащий четыре компонента, при этом первый компонент - положительный, второй компонент - двояковогнутая линза, третий и четвертый компоненты - двояковыпуклая линза, отличающийся тем, что первый компонент выполнен в виде двояковыпуклой линзы, при этом соблюдены следующие соотношения:
Figure 00000001

Figure 00000002

Figure 00000003

-0,085 < r1/r2 < -0,06 (4),
-0,9 < r3/f'< - 0,7 (5),
0,6 < r4/f'< 0,8 (6),
-3,4 < r5/r6 < -3 (7),
0,65 < rr/f' < 0,8 (8),
где n1, n3 - показатели преломления I и III компонентов;
f' - фокусное расстояние объектива;
f1, f2 - фокусные расстояния I и II компонентов;
r1, r2, r3, r4, r5, r6, r7 - радиусы кривизны I, II, III и IV компонентов.
A fast aperture lens for the near infrared region of the spectrum containing four components, the first component being positive, the second component a biconcave lens, the third and fourth components a biconvex lens, characterized in that the first component is a biconvex lens, the following ratios:
Figure 00000001

Figure 00000002

Figure 00000003

-0.085 <r 1 / r 2 <-0.06 (4),
-0.9 <r 3 / f '<- 0.7 (5),
0.6 <r 4 / f '<0.8 (6),
-3.4 <r 5 / r 6 <-3 (7),
0.65 <r r / f '<0.8 (8),
where n 1 , n 3 are the refractive indices of the I and III components;
f 'is the focal length of the lens;
f 1 , f 2 - focal lengths of I and II components;
r 1 , r 2 , r 3 , r 4 , r 5 , r 6 , r 7 are the radii of curvature of the I, II, III, and IV components.
RU96114682A 1996-07-22 1996-07-22 Wide aperture lens for near infrared light RU2094834C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU96114682A RU2094834C1 (en) 1996-07-22 1996-07-22 Wide aperture lens for near infrared light

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU96114682A RU2094834C1 (en) 1996-07-22 1996-07-22 Wide aperture lens for near infrared light

Publications (2)

Publication Number Publication Date
RU2094834C1 RU2094834C1 (en) 1997-10-27
RU96114682A true RU96114682A (en) 1997-12-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU96114682A RU2094834C1 (en) 1996-07-22 1996-07-22 Wide aperture lens for near infrared light

Country Status (1)

Country Link
RU (1) RU2094834C1 (en)

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