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Optische Industrie de Oude Delft NV
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Optische Industrie de Oude Delft NV
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Application filed by Optische Industrie de Oude Delft NVfiledCriticalOptische Industrie de Oude Delft NV
Application grantedgrantedCritical
Publication of FR899207ApublicationCriticalpatent/FR899207A/fr
G02B13/00—Optical objectives specially designed for the purposes specified below
G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
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Physics & Mathematics
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General Physics & Mathematics
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Optics & Photonics
(AREA)
FR899207D1942-10-291943-10-27Système de lentilles
ExpiredFR899207A
(fr)