GB152381A - - Google Patents

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Publication number
GB152381A
GB152381A GB152381DA GB152381A GB 152381 A GB152381 A GB 152381A GB 152381D A GB152381D A GB 152381DA GB 152381 A GB152381 A GB 152381A
Authority
GB
United Kingdom
Prior art keywords
prism
spherically
convex lens
plane
convex
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.)
Active
Application number
Other languages
English (en)
Publication of GB152381A publication Critical patent/GB152381A/en
Active legal-status Critical Current

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  • Viewfinders (AREA)
  • Lenses (AREA)
GB152381D Active GB152381A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
GB152381A true GB152381A (enrdf_load_stackoverflow)

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ID=1731362

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GB152381D Active GB152381A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
GB (1) GB152381A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2466455A (en) * 1946-03-30 1949-04-05 Eastman Kodak Co Reflecting means for folding the light path in optical systems
US3257902A (en) * 1959-07-16 1966-06-28 Watson W & Sons Ltd Optical system having cylindrical rod-like lenses
US3807842A (en) * 1972-01-03 1974-04-30 Polaroid Corp Prismatic element

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2466455A (en) * 1946-03-30 1949-04-05 Eastman Kodak Co Reflecting means for folding the light path in optical systems
US3257902A (en) * 1959-07-16 1966-06-28 Watson W & Sons Ltd Optical system having cylindrical rod-like lenses
US3807842A (en) * 1972-01-03 1974-04-30 Polaroid Corp Prismatic element

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