Compact folded tele cameras

Abstract

lens elements Li and having an EFL, an aperture diameter DA, a f-number f / #, a TTL, and a BFL, wherein each lens element has a respective focal length fi and wherein a first lens element L1 faces an object side and a last lens element LN faces an image side; an image sensor having a sensor diagonal (SD); and an optical path folding element (OPFE) for providing a folded optical path between an object and the image sensor, wherein the lens is located at an object side of the OPFE, wherein the EFL is in the range of 8mm＜EFL＜50mm, and wherein a ratio between the BFL and the TTL fulfills BFL / TTL ＞

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