JPS5238929A - Catadioptric optical system convertible to purely refrective lens syst em - Google Patents

Catadioptric optical system convertible to purely refrective lens syst em

Info

Publication number
JPS5238929A
JPS5238929A JP11540075A JP11540075A JPS5238929A JP S5238929 A JPS5238929 A JP S5238929A JP 11540075 A JP11540075 A JP 11540075A JP 11540075 A JP11540075 A JP 11540075A JP S5238929 A JPS5238929 A JP S5238929A
Authority
JP
Japan
Prior art keywords
refrective
syst
purely
lens
optical system
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
JP11540075A
Other languages
Japanese (ja)
Other versions
JPS602647B2 (en
Inventor
Shuji Ogino
Kunihiko Furunoma
Hirosuke Maeda
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.)
Minolta Co Ltd
Original Assignee
Minolta 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 Minolta Co Ltd filed Critical Minolta Co Ltd
Priority to JP11540075A priority Critical patent/JPS602647B2/en
Publication of JPS5238929A publication Critical patent/JPS5238929A/en
Publication of JPS602647B2 publication Critical patent/JPS602647B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Telescopes (AREA)
  • Lenses (AREA)

Abstract

PURPOSE: To obtain a simple variable focal distance lens system used as a short focal distance lens system by departing a sub-mirror of a long focal distance lens system which uses a principal mirror and a sub-mirror from a light path.
COPYRIGHT: (C)1977,JPO&Japio
JP11540075A 1975-09-23 1975-09-23 Catadioptric optical system that can be switched to a pure refractive lens system Expired JPS602647B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11540075A JPS602647B2 (en) 1975-09-23 1975-09-23 Catadioptric optical system that can be switched to a pure refractive lens system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11540075A JPS602647B2 (en) 1975-09-23 1975-09-23 Catadioptric optical system that can be switched to a pure refractive lens system

Publications (2)

Publication Number Publication Date
JPS5238929A true JPS5238929A (en) 1977-03-25
JPS602647B2 JPS602647B2 (en) 1985-01-23

Family

ID=14661615

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11540075A Expired JPS602647B2 (en) 1975-09-23 1975-09-23 Catadioptric optical system that can be switched to a pure refractive lens system

Country Status (1)

Country Link
JP (1) JPS602647B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54153627A (en) * 1978-05-24 1979-12-04 Fujitsu Ltd Visual field changeover device of optical system
JPS59212815A (en) * 1983-05-11 1984-12-01 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン Optical system for observing scenery
JPS60156030A (en) * 1983-10-03 1985-08-16 テキサス　インスツルメンツ　インコ−ポレイテツド Double-view optical apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6340342U (en) * 1986-08-29 1988-03-16

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54153627A (en) * 1978-05-24 1979-12-04 Fujitsu Ltd Visual field changeover device of optical system
JPS59212815A (en) * 1983-05-11 1984-12-01 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン Optical system for observing scenery
JPS60156030A (en) * 1983-10-03 1985-08-16 テキサス　インスツルメンツ　インコ−ポレイテツド Double-view optical apparatus

Also Published As

Publication number Publication date
JPS602647B2 (en) 1985-01-23

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