Intermediate product in production of light sources with attached optical beam light guidance elements to narrow beam divergence or form beams from light emitters is mounted on a stiffer carrier
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Optical aid for the operation of a portable electronic device
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Lens for a binocular vision aid for the close range
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Process for producing telescope or magnifying glasses and telescope or magnifying glasses manufactured according to this process (quick assembly system)
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Image screen reading device has video camera incorporated in hand-guided unit displaced along linear guide rail for scanning source material
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Miniaturized optical imaging system
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Optical system for binocular- or magnifying spectacles useful e.g. for surgeon has internal image-forming diffractive structure providing wide field of vision
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Hyperocular lens assembly attachable to an eyeglass lens
