Importance

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Abstract

Lens systems for compact digital cameras having a pop-out state and a collapsed state, the lens systems comprising: an image sensor having a sensor diagonal SD, and a lens with N≥6 lens elements L1-LN arranged along a lens optical axis (OA) starting with L1 from an object side toward an image side, each lens element Li having a respective clear aperture diameter DA_Li 1≤i≤N, and having in the pop-out state a field of view 35 degLens, a back focal length BFL, an effective focal length EFL, and a total track length TTL<20 mm, the lens having in the collapsed state a collapsed total track length c-TTL, wherein c-TTL=T_Lens+1 mm, wherein EFL≥10 mm, wherein f/#<2, and wherein a ratio c-TTL/EFL<0.8.

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First Claim