IP Library › Granted Patent US 12,461,431
Granted Patent B2
US 12,461,431 · App. 18/725,779 · Granted Nov 4, 2025

Slim pop-out tele camera lenses

Inventors: Itamar Boral (Tel Aviv, IL); Ziv Shemesh (Tel Aviv, IL); Asaf Pellman (Tel Aviv, IL); Ephraim Goldenberg (Tel Aviv, IL)
Assignee: Corephontonics Ltd.
G03B17/04G02B3/0043G02B9/64G02B13/0045H04N23/55
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Quick Facts
Patent No.
US 12,461,431
App. No.
18/725,779
Granted
Nov 4, 2025
Kind
B2
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 L 1 -LN arranged along a lens optical axis (OA) starting with L 1 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 deg<FOV<50 deg, a f number (f/#), a lens thickness T Lens , 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.

Claims (24)

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 L 1 -LN arranged along a lens optical axis (OA) starting with L 1 from an object side towards an image side, each lens element Li having a respective clear aperture diameter DA Li 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 T Lens , 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.

2 . The lens system of claim 1 , wherein the lens system is configured to switch from the pop-out state to the collapsed state and vice versa by collapsing BFL to a collapsed BFL (c-BFL).

3 . The lens system of claim 2 , wherein 0.04≤c-BFL/BFL<0.9.

4 . The lens system of claim 1 , wherein c-TTL/EFL<0.75.

5 . The lens system of claim 1 , wherein c-TTL/EFL<0.7.

6 . The lens system of claim 1 , wherein c-TTL≤T Lens +1 mm.

7 . The lens system of claim 1 , wherein c-TTL≤T Lens +0.9 mm.

8 . The lens system of claim 1 , wherein c-TTL≤T Lens +0.8 mm.

9 . The lens system of claim 1 , wherein c-TTL≤T Lens +0.7 mm.

10 . The lens system of claim 1 , wherein 0.9×EFL<TTL<1.1×EFL.

11 . The lens system of claim 1 , wherein 8 mm<SD<15 mm.

12 . The lens system of claim 1 , wherein EFL≥12 mm.

13 . The lens system of claim 1 , wherein EFL≤20 mm.

14 . The lens system of claim 1 , wherein TTL<15 mm.

15 . The lens system of claim 1 , wherein f/#<1.9.

16 . The lens system of claim 1 , wherein f/#<1.8.

17 . The lens system of claim 1 , wherein f/#<1.7.

18 . The lens system of claim 1 , wherein T Lens /TTL<0.75.

19 . The lens system of claim 1 , wherein T Lens /TTL<0.7.

20 . The lens system of claim 1 , wherein BFL>0.3×TTL.

21 . The lens system of claim 1 , wherein L 1 is made of glass and has an Abbe number larger than 50.

22 . The lens system of claim 1 , wherein the lens system is integrated in a camera module, and wherein the camera module is integrated in a smartphone.

Continuity (3)
Provisional Application 63328304 · Apr 7, 2022
Provisional Application 63305455 · Feb 1, 2022
Related Publication 20250110390A1 · Apr 3, 2025
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