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OTTICO MECCANICA ITALIANA E RI
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OTTICO MECCANICA ITALIANA E RI
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Publication of FR1218947ApublicationCriticalpatent/FR1218947A/en
G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
G02B30/34—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. 3D slide viewers
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Optics & Photonics
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FR39222A1958-03-201959-03-18
Magnification variator for binocular observation systems
ExpiredFR1218947A
(en)