Corephotonics Ltd.

Corephontonics Ltd.

Nadav Goulinski

Ephraim Goldenberg

Gal Shabtay

Roy Rudnick

Ziv Shemesh

Itay Yedid

Michael Dror

Yiftah Kowal

Tal Korman

Michael Scherer

Itay Manor

Noy Cohen

Itamar Boral

Folded digital cameras comprising a lens system with a lens and an image sensor, the lens having N≥6 lens elements L, an effective focal length (EFL) and a total track length (TTL), wherein each lens element has a respective focal length fand wherein a first lens element Lfaces an object side, and an optical path folding element (OPFE) for providing a folded optical path between an object and the lens. In some embodiments, the lens system has a focusing range that covers object-lens distances from infinity to a minimal object distance (MIOD), wherein MIOD/EFL is smaller than 20 or even 7. In some embodiments, the ratio of a maximal chief ray angle to a field of view of the folded camera Max CRA/FOV is smaller than 0.25 or even 0.15 when the camera is focused at infinity.

Folded macro-tele camera lens designs including six lenses of ++−+−+ or +−++−+, seven lenses of ++−++−+, or eight lenses of ++−++−++ refractive powers

Folded cameras with a total track length (TTL), f numbers smaller than 1.2 and large fields of view, e.g. of at least 60 degrees. Such folded cameras may comprise a lens with N≥7 lens elements, an image sensor and an optical path folding element for providing a folded optical path between an object and the lens, wherein an aperture stop of the lens is located closer to a first surface of the first lens element facing the object than a distance d that fulfills d/TTL=0.2.

Folded camera lens designs including eight lenses of +-+-+++-refractive powers

Folded Tele cameras, comprising: an optical path folding element (OPFE) for a folding a first optical path OPto second optical path OP, a lens including N lens elements, the lens being divided into four lens groups arranged along a lens optical axis and marked, in order from an object side of the lens to an image side of the lens, G, G, Gand G, and an image sensor, wherein the lens elements of a lens group do not move with respect to each other, wherein Gand Gdo not move with respect to each other, wherein Gand Gdo not move with respect to each other, wherein the Tele camera is configured to change a zoom factor (ZF) continuously between a minimum zoom factor marked ZFcorresponding to a minimal effective focal length marked EFLand a maximum zoom factor marked ZFcorresponding to a maximal effective focal length marked EFLby moving Gand Gtogether relative to the image sensor and by moving Gand Gtogether relative to the image sensor.

Folded cameras with continuously adaptive zoom factor

Pop-out lens systems for compact digital cameras, comprising an image sensor and a lens with a field of view FOV>60 deg and having i lens elements L-Li starting with Lfrom an object side toward an image side, each lens element Li having a respective focal length f, the lens elements divided into two lens groups Gand Gseparated by a big gap (BG), the lens having a pop-out total track length TTL<20 mm in a pop-out state and a collapsed total track length c-TTL in a collapsed state, wherein BG>0.25×TTL, wherein either Gcan move relative to Gand to the image sensor for focusing or Gand Gcan move together relative to the image sensor for focusing, and wherein a ratio c-TTL/TTL<0.7.

Slim pop-out wide camera lenses

Folded digital cameras, comprising a lens with N≥3 lens elements Land 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 fand wherein a first lens element Lfaces an object side and a last lens element Lfaces 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 8 mm<EFL<50 mm, and wherein a ratio between the BFL and the TTL fulfills BFL/TTL>0.75.

Compact folded Tele cameras

Cameras with OIS capable of performing multi zoom super macro photography and handheld electronic devices comprising such cameras. A camera may include a lens comprising N lens elements L-Ldivided into two or more lens groups arranged along a lens optical axis starting with Lon an object side and ending with Lon an image side, adjacent lens groups separated by a respective air-gap dalong the lens optical axis; an image sensor with a sensor diagonal Sbetween 7 and 20 mm separated from lens element Lby an air-gap dalong the lens optical axis; and an actuator for controlling air-gaps dand dto switch the camera between M≥1 operative pop-out states and a collapsed state and to focus the camera on an object at an object-lens distance of less than 30 cm.

Pop-out zoom camera

Scanning Tele cameras (STCs) based on two optical path folding element (OPFE) field-of-view scanning and mobile devices including such STCs. A STC may comprise a first OPFE (O-OPFE) for folding a first optical path OPto a second optical path OP, an O-OPFE actuator, a second OPFE (I-OPFE) for folding OPto a third optical path OP, an I-OPFE actuator, a lens, a lens actuator and an image sensor, wherein the STC has a STC native field-of-view (n-FOVT), wherein the O-OPFE actuator is configured to rotate the O-OPFE around a first axis and the I-OPFE actuator rotates the I-OPFE around a second axis for scanning a scene with the n-FOVT, wherein the lens actuator is configured to move the lens for focusing along a third axis, and wherein the first axis is perpendicular to the second axis and parallel to the third axis.

Scanning Tele camera based on two prism field of view scanning

Scanning Tele cameras (STCs) based on two optical path folding element (OPFE) field-of-view scanning and mobile devices including such STCs. A STC may comprise a first OPFE (O-OPFE) for folding a first optical path OPto a second optical path OP, an O-OPFE actuator, a second OPFE (I-OPFE) for folding OPto a third optical path OP, an I-OPFE actuator, a lens, a lens actuator and an image sensor, wherein the STC has a STC native field-of-view (n-FOV), wherein the O-OPFE actuator is configured to rotate the O-OPFE around a first axis and the I-OPFE actuator rotates the I-OPFE around a second axis for scanning a scene with the n-FOV, wherein the lens actuator is configured to move the lens for focusing along a third axis, and wherein the first axis is perpendicular to the second axis and parallel to the third axis.

Scanning tele camera based on two prism field-of-view scanning

Position sensing units, comprising a magnetic assembly (MA) having a width W measured along a first direction and a height H measured along a second direction and including at least three magnets having respective magnetic polarizations that define along the first direction at least a left MA domain, a middle MA domain and a right MA domain, wherein the magnetic polarizations of each MA domain are different, and a magnetic flux measuring device (MFMD) for measuring a magnetic flux B, wherein the MA moves relative to the MFMD along the first direction within a stroke L that fulfils 1 mm≤L≤100 mm, stroke L beginning at a first point xand ending at a final point x, and wherein a minimum value Dof an orthogonal distance D, measured along the second direction between a particular MA domain and the MFMD, fulfills L/D>10.

Hall sensor—magnet geometry for large stroke linear position sensing

Folded digital cameras, comprising a lens with N≥3 lens elements Land 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 fand wherein a first lens element Lfaces an object side and a last lens element Lfaces 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 8 mm<EFL<50 mm, and wherein a ratio between the BFL and the TTL fulfills BFL/TTL>0.75.

Compact folded tele cameras

Folded digital cameras comprising a lens including a plurality of N lens elements marked Lwhere 1≤i≤N and an optical path folding element (OPFE), wherein a first lens element Lfaces an object side and a last lens element Lfaces an image side, wherein at least one of the plurality of lens elements is located at an object side of the OPFE and has an associated first optical axis, wherein at least one other of the plurality of lens elements is located at an image side of the OPFE and has an associated second optical axis, wherein the lens has an effective focal length (EFL) and a f-number (f/#), and an image sensor having a sensor diagonal (SD), wherein the EFL can be varied continuously between a minimal EFLand a maximum EFLby independent movement of lens elements and of the OPFE along the second optical lens axis, and wherein EFL/EFL>1.5.

Large aperture continuous zoom folded Tele cameras

Folded Tele cameras, comprising: an optical path folding element (OPFE) for a folding a first optical path OP1 to second optical path OP2, a lens including N lens elements, the lens being divided into four lens groups arranged along a lens optical axis and marked, in order from an object side of the lens to an image side of the lens, G1, G2, G3 and G4, and an image sensor, wherein the lens elements of a lens group do not move with respect to each other, wherein G1 and G3 do not move with respect to each other, wherein G2 and G4 do not move with respect to each other, wherein the Tele camera is configured to change a zoom factor (ZF) continuously between a minimum zoom factor marked ZFcorresponding to a minimal effective focal length marked EFLand a maximum zoom factor marked ZFcorresponding to a maximal effective focal length marked EFLby moving G1 and G3 together relative to the image sensor and by moving G2 and G4 together relative to the image sensor.

Growing community of inventors

Tel Aviv, Israel

Nadav Goulinski