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ZEISS CARL SOC
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ZEISS CARL SOC
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Publication of FR327995ApublicationCriticalpatent/FR327995A/en
G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only
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Optics & Photonics
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FR327995D1902-06-161902-06-16
Objective corrected for astigmatism and aberrations of sphericity and refrangibility
ExpiredFR327995A
(en)