JPS53106118A - Lens iris for optical system - Google Patents

Lens iris for optical system

Info

Publication number
JPS53106118A
JPS53106118A JP2184177A JP2184177A JPS53106118A JP S53106118 A JPS53106118 A JP S53106118A JP 2184177 A JP2184177 A JP 2184177A JP 2184177 A JP2184177 A JP 2184177A JP S53106118 A JPS53106118 A JP S53106118A
Authority
JP
Japan
Prior art keywords
optical system
iris
lens iris
shape
light quantity
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP2184177A
Other languages
Japanese (ja)
Other versions
JPS571807B2 (en
Inventor
Toyohiko Okumura
Yuichi Tanimura
Hiromitsu Okada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Tokyo Optical Co Ltd
Original Assignee
Fujitsu Ltd
Tokyo Optical Co Ltd
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 Fujitsu Ltd, Tokyo Optical Co Ltd filed Critical Fujitsu Ltd
Priority to JP2184177A priority Critical patent/JPS53106118A/en
Publication of JPS53106118A publication Critical patent/JPS53106118A/en
Publication of JPS571807B2 publication Critical patent/JPS571807B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To uniformalize the distribution of light quantity without reducing the peripheral light quantity by arranging a fixed iris of the shape substantially identical with the shape of the outemost peripheral flux of light at the iris plane such that its longitudinal direction is perpendicular to the projected image of straight shape.
COPYRIGHT: (C)1978,JPO&Japio
JP2184177A 1977-02-28 1977-02-28 Lens iris for optical system Granted JPS53106118A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2184177A JPS53106118A (en) 1977-02-28 1977-02-28 Lens iris for optical system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2184177A JPS53106118A (en) 1977-02-28 1977-02-28 Lens iris for optical system

Publications (2)

Publication Number Publication Date
JPS53106118A true JPS53106118A (en) 1978-09-14
JPS571807B2 JPS571807B2 (en) 1982-01-13

Family

ID=12066298

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2184177A Granted JPS53106118A (en) 1977-02-28 1977-02-28 Lens iris for optical system

Country Status (1)

Country Link
JP (1) JPS53106118A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5662473A (en) * 1979-10-29 1981-05-28 Canon Inc Corrector for exposure
JPS5996968U (en) * 1982-12-21 1984-06-30 株式会社リコー reading device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5662473A (en) * 1979-10-29 1981-05-28 Canon Inc Corrector for exposure
JPS5996968U (en) * 1982-12-21 1984-06-30 株式会社リコー reading device

Also Published As

Publication number Publication date
JPS571807B2 (en) 1982-01-13

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