CA680532A - Thermally compensated plastic triplet lens - Google Patents

Thermally compensated plastic triplet lens

Info

Publication number
CA680532A
CA680532A CA680532A CA680532DA CA680532A CA 680532 A CA680532 A CA 680532A CA 680532 A CA680532 A CA 680532A CA 680532D A CA680532D A CA 680532DA CA 680532 A CA680532 A CA 680532A
Authority
CA
Canada
Prior art keywords
plastic
thermally compensated
triplet lens
triplet
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.)
Expired
Application number
CA680532A
Inventor
B. Estes Cameron
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.)
Canadian Kodak Co Ltd
Original Assignee
Canadian Kodak Co Ltd
Publication date
Application granted granted Critical
Publication of CA680532A publication Critical patent/CA680532A/en
Expired legal-status Critical Current

Links

CA680532A Thermally compensated plastic triplet lens Expired CA680532A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA680532T

Publications (1)

Publication Number Publication Date
CA680532A true CA680532A (en) 1964-02-18

Family

ID=35981612

Family Applications (1)

Application Number Title Priority Date Filing Date
CA680532A Expired CA680532A (en) Thermally compensated plastic triplet lens

Country Status (1)

Country Link
CA (1) CA680532A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5557474A (en) * 1995-05-26 1996-09-17 Martin Marietta Corporation Passive thermal compensation method and apparatus
US5650879A (en) * 1995-02-28 1997-07-22 Konica Corporation Lens apparatus
US5757559A (en) * 1994-07-05 1998-05-26 Asahi Kogaku Kogyo Kabushi Ki Kaisha Lens holding device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5757559A (en) * 1994-07-05 1998-05-26 Asahi Kogaku Kogyo Kabushi Ki Kaisha Lens holding device
US5650879A (en) * 1995-02-28 1997-07-22 Konica Corporation Lens apparatus
US5557474A (en) * 1995-05-26 1996-09-17 Martin Marietta Corporation Passive thermal compensation method and apparatus

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