JPS5395052A - Astigmatism correction of in-mirror type lens - Google Patents

Astigmatism correction of in-mirror type lens

Info

Publication number
JPS5395052A
JPS5395052A JP875577A JP875577A JPS5395052A JP S5395052 A JPS5395052 A JP S5395052A JP 875577 A JP875577 A JP 875577A JP 875577 A JP875577 A JP 875577A JP S5395052 A JPS5395052 A JP S5395052A
Authority
JP
Japan
Prior art keywords
type lens
mirror type
astigmatism correction
astigmatisum
mirror
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.)
Pending
Application number
JP875577A
Other languages
Japanese (ja)
Inventor
Yoshio Fukushima
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP875577A priority Critical patent/JPS5395052A/en
Publication of JPS5395052A publication Critical patent/JPS5395052A/en
Pending legal-status Critical Current

Links

Landscapes

  • Optical Elements Other Than Lenses (AREA)
  • Lenses (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)

Abstract

PURPOSE: To give a positive or negative cylindrical curvature to a reflecting surface thereby to correct an astigmatisum by applying a suitable load to a reflecting mirror through a pressure plate to establish deformation within an elastic range.
COPYRIGHT: (C)1978,JPO&Japio
JP875577A 1977-01-31 1977-01-31 Astigmatism correction of in-mirror type lens Pending JPS5395052A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP875577A JPS5395052A (en) 1977-01-31 1977-01-31 Astigmatism correction of in-mirror type lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP875577A JPS5395052A (en) 1977-01-31 1977-01-31 Astigmatism correction of in-mirror type lens

Publications (1)

Publication Number Publication Date
JPS5395052A true JPS5395052A (en) 1978-08-19

Family

ID=11701731

Family Applications (1)

Application Number Title Priority Date Filing Date
JP875577A Pending JPS5395052A (en) 1977-01-31 1977-01-31 Astigmatism correction of in-mirror type lens

Country Status (1)

Country Link
JP (1) JPS5395052A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11101942A (en) * 1997-08-01 1999-04-13 Carl Zeiss Jena Gmbh Adaptive optical device for microscope

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11101942A (en) * 1997-08-01 1999-04-13 Carl Zeiss Jena Gmbh Adaptive optical device for microscope

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