US 12,461,431 B2
Slim pop-out tele camera lenses
Itamar Boral, Tel Aviv (IL); Ziv Shemesh, Tel Aviv (IL); Asaf Pellman, Tel Aviv (IL); and Ephraim Goldenberg, Tel Aviv (IL)
Assigned to Corephontonics Ltd., Tel Aviv (IL)
Appl. No. 18/725,779
Filed by Corephotonics Ltd., Tel Aviv (IL)
PCT Filed Jan. 6, 2023, PCT No. PCT/IB2023/050107
§ 371(c)(1), (2) Date Jun. 30, 2024,
PCT Pub. No. WO2023/148559, PCT Pub. Date Aug. 10, 2023.
Claims priority of provisional application 63/328,304, filed on Apr. 7, 2022.
Claims priority of provisional application 63/305,455, filed on Feb. 1, 2022.
Prior Publication US 2025/0110390 A1, Apr. 3, 2025
Int. Cl. G03B 17/04 (2021.01); G02B 3/00 (2006.01); G02B 9/64 (2006.01); G02B 13/00 (2006.01); H04N 23/55 (2023.01)
CPC G03B 17/04 (2013.01) [G02B 3/0043 (2013.01); G02B 9/64 (2013.01); G02B 13/0045 (2013.01); H04N 23/55 (2023.01)] 22 Claims
OG exemplary drawing
 
1. A lens system for a compact digital camera, the lens system having a pop-out state and a collapsed state and 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 towards an image side, each lens element Li having a respective clear aperture diameter DALi wherein 1≤i≤N, and having in the pop-out state a field of view FOV<55 deg, a f number (f/#), a lens thickness TLens, a back focal length BFL, an effective focal length EFL, and a total track length TTL<20 mm, wherein the lens has in the collapsed state a collapsed total track length c-TTL, wherein EFL≥10 mm, wherein f/#<2, and wherein a ratio c-TTL/EFL<0.8.