JPS5221840A - Optical system using a correction lens in a refraction telescope - Google Patents

Optical system using a correction lens in a refraction telescope

Info

Publication number
JPS5221840A
JPS5221840A JP9720475A JP9720475A JPS5221840A JP S5221840 A JPS5221840 A JP S5221840A JP 9720475 A JP9720475 A JP 9720475A JP 9720475 A JP9720475 A JP 9720475A JP S5221840 A JPS5221840 A JP S5221840A
Authority
JP
Japan
Prior art keywords
optical system
correction lens
telescope
refraction
object lens
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
JP9720475A
Other languages
Japanese (ja)
Inventor
Shoichi Araya
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.)
Goto Optical Manufacturing Co Ltd
Original Assignee
Goto Optical Manufacturing 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 Goto Optical Manufacturing Co Ltd filed Critical Goto Optical Manufacturing Co Ltd
Priority to JP9720475A priority Critical patent/JPS5221840A/en
Publication of JPS5221840A publication Critical patent/JPS5221840A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To make astigmatism and image surface buldge aberration almost zero by assemblying a correction lens on the object lens side of the object lens focus position and making it a composite object lens.
COPYRIGHT: (C)1977,JPO&Japio
JP9720475A 1975-08-12 1975-08-12 Optical system using a correction lens in a refraction telescope Pending JPS5221840A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9720475A JPS5221840A (en) 1975-08-12 1975-08-12 Optical system using a correction lens in a refraction telescope

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9720475A JPS5221840A (en) 1975-08-12 1975-08-12 Optical system using a correction lens in a refraction telescope

Publications (1)

Publication Number Publication Date
JPS5221840A true JPS5221840A (en) 1977-02-18

Family

ID=14186072

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9720475A Pending JPS5221840A (en) 1975-08-12 1975-08-12 Optical system using a correction lens in a refraction telescope

Country Status (1)

Country Link
JP (1) JPS5221840A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01157210A (en) * 1987-12-10 1989-06-20 Mirai Ind Co Ltd Floor wiring mechanism

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE235575C (en) *
US2479792A (en) * 1948-05-15 1949-08-23 Bausch & Lomb Optical system for variable power telescopes
US3152212A (en) * 1961-05-16 1964-10-06 Bausch & Lomb Optical system for telescope

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE235575C (en) *
US2479792A (en) * 1948-05-15 1949-08-23 Bausch & Lomb Optical system for variable power telescopes
US3152212A (en) * 1961-05-16 1964-10-06 Bausch & Lomb Optical system for telescope

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01157210A (en) * 1987-12-10 1989-06-20 Mirai Ind Co Ltd Floor wiring mechanism

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