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.)
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
G02B30/37—Collapsible stereoscopes
Landscapes
Physics & Mathematics
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General Physics & Mathematics
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Optics & Photonics
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Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others
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Rahmen, in allen Teilen aus rostfreiem Metall hergestellt, zum registerhaltigen Durcken von Drei- und Vierfarbennegativen auf einem Drucktraeger, z. B. Papier