Compact folded lenses with large apertures

Lens assemblies comprising, from an object side to an image side, a positive first lens element L1 with a first optical axis and a first lens width W1, a light folding element, a negative second lens element L2 and a plurality of additional lens elements L3-LN with a common second optical axis, and...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Roy Rudnick, EPHRAIM ROBERT GOLDENBERG, MICHAEL DROR, GAL SHABTAY, GIL BACHAR
Format:	Patent
Sprache:	eng ; heb
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELECTROGRAPHY HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION
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Beschreibung
Zusammenfassung:	Lens assemblies comprising, from an object side to an image side, a positive first lens element L1 with a first optical axis and a first lens width W1, a light folding element, a negative second lens element L2 and a plurality of additional lens elements L3-LN with a common second optical axis, and an image sensor having a sensor diagonal length (SDL), wherein the light folding element is configured to fold light from the first optical axis to the second optical axis, wherein the folded lens has an optical height OH, wherein SDL/OH > 0.7 and wherein OH/W1