Abstract: The present application discloses an optical imaging lens, comprising, in order from an object side to an image side along an optical axis: a first lens having a positive refractive power; a second lens having a positive refractive power; a third lens having a negative refractive power; a fourth lens; a fifth lens having a negative refractive power; and a sixth lens having a positive refractive power, wherein a distance TTL from an object side surface of the first lens to an imaging plane of the optical imaging lens on the optical axis and an entrance pupil diameter EPD of the optical imaging lens satisfy TTL/EPD<1.9; and a total effective focal length f of the optical imaging lens satisfies 6.0 mm<f<7.5 mm.

Abstract: The present application discloses a camera lens, comprising, in order from an object side to an image side along an optical axis: a first lens having a positive refractive power; a second lens having a positive refractive power, an object side surface thereof being convex; a third lens having a refractive power; a fourth lens having a refractive power, an object side surface thereof being convex; and a fifth lens having a refractive power. An effective focal length f2 of the second lens and an effective focal length f1 of the first lens satisfy: 0.3<f2/f1<0.7, and a distance TTL from an object side surface of the first lens to an imaging plane of the camera lens on the optical axis and an entrance pupil diameter EPD of the camera lens satisfy: TTL/EPD<2.5.

Abstract: The present application discloses an optical imaging system, comprising, in order from an object side to an image side along an optical axis: a planar glass, a first lens having a positive focal power, a second lens having a negative focal power and a plurality of subsequent lenses having a respective focal power, wherein the maximum field of view FOV of the optical imaging system satisfies FOV?40°; and a radius of curvature R3 of an object side surface of the second lens and a radius of curvature R4 of an image side surface of the second lens satisfy ?0.5<R3/R4<0.

Abstract: The present disclosure discloses an optical imaging lens assembly including, sequentially from an object side to an image side along an optical axis, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens. Each of the first lens to the seventh lens has refractive power. The first lens has positive refractive power, and the third lens has negative refractive power. Half of a diagonal length ImgH of an effective pixel area on an imaging plane of the optical imaging lens assembly satisfies: ImgH>5 mm; and a relative F number Fno of the optical imaging lens assembly satisfies Fno<1.6.

Abstract: The present disclosure discloses an optical imaging lens assembly including, sequentially from an object side to an image side along an optical axis, a first lens having positive refractive power; a second lens having negative refractive power and an aspheric image-side surface; a third lens having refractive power and a convex image-side surface; a fourth lens having refractive power; and a fifth lens having positive refractive power, a convex object-side surface and a concave image-side surface. The first lens and the second lens are cemented to form a cemented lens.

Abstract: The present disclosure provides an optical imaging lens assembly including, sequentially from an object side to an image side along an optical axis, a first lens having positive refractive power; a second lens having positive refractive power and a convex object-side surface; and a third lens having negative refractive power. A distance TTL along the optical axis from an object-side surface of the first lens to an imaging plane of the optical imaging lens assembly and half of a diagonal length ImgH of an effective pixel area on the imaging plane satisfy 2.0<TTL/ImgH<2.5.

Abstract: The present disclosure discloses a camera lens assembly including, sequentially from an object side to an image side along an optical axis, a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens. The first lens has negative refractive power; the second lens has positive refractive power; the third lens has negative refractive power; the fourth lens has refractive power; the fifth lens has refractive power; and the sixth lens has negative refractive power. At least one of the first lens to the sixth lens has a non-rotationally symmetrical aspheric surface. An effective focal length fx in an X-axis direction of the camera lens assembly and an effective focal length fy in a Y-axis direction of the camera lens assembly satisfy 0.5<fx/fy<1.5.

Abstract: The present disclosure discloses an optical imaging lens group including, sequentially from an object side to an image side along an optical axis, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens and an eighth lens. The first lens has positive refractive power, a convex object-side surface and a concave image-side surface; the second lens has negative refractive power and a concave image-side surface; the third lens has positive refractive power and a convex object-side surface; the fourth lens has refractive power; the fifth lens has refractive power; the sixth lens has refractive power, a convex object-side surface and a concave image-side surface; the seventh lens has positive refractive power; and the eighth lens has refractive power. A total effective focal length f and an entrance pupil diameter EPD satisfy f/EPD<1.4.

Abstract: The present invention provides a wide-angle camera lens consisting of seven lens elements. The wide-angle camera lens successively includes: a first optical lens with negative refractive power; a second optical lens with negative refractive power; a third optical lens with negative refractive power, an image side surface of the third optical lens being a convex surface; a fourth optical lens with refractive power; a fifth optical lens with refractive power; a sixth optical lens with refractive power; and a seventh optical lens with refractive power from an object side to an image side, wherein ?5.5<f1/f<?2; ?2.5<f5/f6<?0.5; f1 is an effective focal length of the first optical lens, f is an effective focal length of the wide-angle camera lens, f5 is an effective focal length of the fifth optical lens, and f6 is an effective focal length of the sixth optical lens.

Abstract: The present invention provides an eyepiece. The eyepiece is composed of one lens, which comprises a first surface and a second surface that are opposite, wherein, the first surface is a curved surface, and the second surface is a Fresnel structure surface; the Fresnel structure surface is formed by a plurality of annular zones that are sequentially arranged, to form a sawtooth surface, and each of the annular zones is formed by a working surface and a non-working surface, the working surface is an aspheric surface, and the non-working surface is a straight bevel; and the eyepiece satisfies the following conditional expression: 85°<FOV<130°, and 0°??i?5°; wherein, FOV is a maximum angle of view of the eyepiece, and ?i is the angle between the non-working surface of the ith annular zone and the optical axis.

Abstract: A telephoto camera lens sequentially includes from an object side to an image side, a first lens with positive optical power, an object-side face of the first lens being convex; a second lens with optical power; a third lens with optical power; a fourth lens with optical power; a fifth lens with optical power, an object-side face of the fifth lens being concave; and a sixth lens with optical power, an object-side face of the sixth lens being concave near an axis, and an image-side face of the sixth lens being convex near the axis. The telephoto lens satisfies: 0.75<TTL/f<1.0, and ImgH/f<0.55, wherein TTL represents a distance between the object-side face of the first lens and an imaging face along the axis, f represents an effective focal length of the telephoto camera lens, and ImgH is half of a diagonal line of an effective pixel region on the imaging face.

Abstract: A seven-lens wide-angle camera lens, having: a first lens with a negative refractive power; a second lens with a negative refractive power; a third lens with a refractive power; a fourth lens with a positive refractive power; a fifth lens with a refractive power; a sixth lens with a refractive power; and a seventh lens with a refractive power; and satisfies the following relational expressions: 0.06<CT3?TTL<0.15; and ?0.7<f6/f7<?0.2; wherein, CT3 is a center thickness of the third lens that is on an optical axis; TTL is an axial distance from an object side surface to an imaging plane of the first lens; f6 is an effective focal length of the sixth lens; and f7 is an effective focal length of the seventh lens. By reasonably combining the 7 lenses, can obtain large field angles, which realizes miniaturization and favorable manufacturability while ensuring high resolution and imaging quality.

Abstract: An ultra-wide angle camera lens is provided. The lens includes, from an object side to an image side: a first lens with negative refractive power, an image-side face of the first lens being concave; a second lens with negative refractive power, an image-side face of the second lens being concave; a third lens with positive refractive power, an object-side face of the third lens being convex; a fourth lens with positive refractive power, an image-side face of the fourth lens being convex; and a fifth lens with negative refractive power, an image-side face of the fifth lens being concave. The lens satisfies: ?0.05<f/f1<0; and 1.2<ImgH/f<2, in which, f represents an effective focus length of the ultra-wide angle camera lens, f1 represents an effective focus length of the first lens L1, and ImgH is half of a diagonal line of an effective pixel region on an imaging face.

Abstract: A camera lens is provided. The camera lens includes, in sequence from an object side to an image side: a first lens having a negative refractive power; a second lens having a positive refractive power, an image-side surface of the second lens being configured as a convex surface and material of the second lens being glass; a third lens having a positive refractive power; a fourth lens having a negative refractive power; a fifth lens having a positive refractive power; and a sixth lens having a negative refractive power, an object-side surface of the sixth lens being configured as a convex surface and an image-side surface of the sixth lens being configured as a concave surface.

Abstract: The present invention provides a wide-angle camera lens consisting of seven lens elements. The wide-angle camera lens successively includes: a first optical lens with negative refractive power; a second optical lens with negative refractive power; a third optical lens with negative refractive power, an image side surface of the third optical lens being a convex surface; a fourth optical lens with refractive power; a fifth optical lens with refractive power; a sixth optical lens with refractive power; and a seventh optical lens with refractive power from an object side to an image side, wherein ?5.5<f1/f<?2; ?2.5<f5/f6<?0.5; f1 is an effective focal length of the first optical lens, f is an effective focal length of the wide-angle camera lens, f5 is an effective focal length of the fifth optical lens, and f6 is an effective focal length of the sixth optical lens.

Abstract: A seven-piece wide-angle camera lens includes successively from the object side to the image side: a first optical lens having a negative refractive power; a second optical lens having a negative refractive power; a third optical lens having a refractive power; a fourth optical lens having a positive refractive power; a fifth optical lens having a refractive power; a sixth optical lens having a refractive power; and a seventh optical lens having a refractive power; and satisfies the following relational expressions: 0.06<CT3/TTL<0.15; and ?0.7<f6/f7<?0.2; wherein, CT3 is a center thickness of the third optical lens on an optical axis; TTL is an axial distance from the object side surface of the first optical lens to an image side surface of the wide-angle lens; f6 is an effective focal length of the sixth optical lens; and f7 is an effective focal length of the seventh optical lens.

Abstract: A camera lens is provided and includes: in sequence from an object side to an image side, a first lens having a positive refractive power; a second lens having a refractive power; a third lens having a negative refractive power; a fourth lens having a positive refractive power; a fifth lens having a negative refractive power; a sixth lens having a negative refractive power. The camera lens satisfies the following relation: f/f6<?1.0; f/f4>1.5; in which, f denotes an effective focal length of the camera lens, f4 denotes an effective focal length of the fourth lens, f6 denotes an effective focal length of the sixth lens. The above-mentioned camera lens facilitates high resolution while improvement of field angle, and miniaturization of the camera lens.

Abstract: A camera lens includes, in sequence from an object side to an image side: a first lens having a negative refractive power; a second lens having a refractive power; a third lens having a positive refractive power, an image-side surface of the third lens being a concave surface; a fourth lens having a refractive power; a fifth lens having a refractive power; a sixth lens having a refractive power; and a seventh lens having a refractive power, an object-side surface and an image-side surface of the seventh lens each being an aspheric surface. The camera lens satisfies a conditional expression: ?2<f1/f<?1.4, in which, f1 denotes an effective focal length of the first lens and f denotes an effective focal length of the camera lens.

Abstract: A camera lens assembly is provided, including a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens from an object side of the camera lens assembly to an image side of the camera lens assembly in turn. The first lens has a positive refractive power; the second lens has a negative refractive power, an object-side surface of the second lens is convex and an image-side surface of the second lens is concave; the third lens has a positive refractive power; the fourth lens has a refractive power, an object-side surface of the fourth lens is concave and an image-side surface of the fourth lens is convex; the fifth lens has a refractive power, an object-side surface of the fifth lens is convex and an image-side surface of the fifth lens is convex; the sixth lens has a negative refractive power.

Abstract: Provided is a camera lens, including a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens from an object side of the camera lens to an image side of the camera lens in turn. The first lens is of a positive focal power, an object side surface of the first lens is convex; the second lens is of a negative focal power; the third lens is of a negative focal power, an object side surface of the third lens is concave; the fourth lens is of a positive focal power; the fifth lens is of a positive focal power, an image side surface of the fifth lens is convex; the sixth lens is of a negative focal power, an image side surface of the sixth lens is concave; and the camera lens meets the following formula: 0<f/f4<0.8; 0<T12/T23<0.14.