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Kern & Cie S A
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Kern & Cie S A
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Application filed by Kern & Cie S AfiledCriticalKern & Cie S A
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Publication of FR929255ApublicationCriticalpatent/FR929255A/en
G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
G02B9/34—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only
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Physics & Mathematics
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General Physics & Mathematics
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Optics & Photonics
(AREA)
FR929255D1945-06-301946-06-18
Spherical, astigmatic and coma corrected photographic lens for one or more colors
ExpiredFR929255A
(en)