Abstract: An optical imaging lens includes in order 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 and seventh lens have a positive refractive power. The maximum semi-field of view Semi-FOV and a total effective focal length f of the optical imaging lens satisfy f×tan(Semi-FOV)>4.5 mm. A radius of curvature R13 of an object side surface of the seventh lens, a radius of curvature R15 of an object side surface of the eighth lens, and a separation distance T78 between the seventh lens and the eighth lens on the optical axis satisfy ?7.0<(R13+R15)/T78<?3.0. A combined focal length f12 of the first and second lens and an effective focal length f3 of the third lens satisfy 2.0<f3/f12<6.0.

Abstract: An optical imaging lens assembly is provided, which includes, sequentially from an object side to an image side along an optical axis, a first lens having a refractive power with a convex object-side surface; a second lens having a refractive power with a convex object-side surface; a third lens having a positive refractive power; a fourth lens having a negative refractive power with a concave object-side surface; a fifth lens having a refractive power; and a sixth lens having a refractive power. A half of a maximal field-of-view Semi-FOV of the optical imaging lens assembly satisfies: Semi-FOV?70°. A half of a diagonal length ImgH of an effective pixel area on the imaging plane of the optical imaging lens assembly satisfies: ImgH?7.8 mm.

Abstract: A zoom lens includes in order from an object side to an image side along an optical axis a first lens group having a positive refractive power, including a first lens disposed along the optical axis, and a second lens group having a negative refractive power, including a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens disposed in order along the optical axis. Positions of the second lens to the seventh lens on the optical axis can be changed to achieve continuous zooming of the zoom lens. A total effective focal length ft of the zoom lens when it is in a final state and a total effective focal length fs of the zoom lens when it is in an initial state satisfy 1.3<ft/fs<1.5.

Abstract: An optical imaging system includes, sequentially from an object side to an image side along an optical axis, a first lens (L1) having a positive refractive power and a convex object-side surface (S1); a second lens (L2) having a refractive power; a third lens (L3) having a refractive power; a fourth lens (L4) having a positive refractive power, a concave object-side surface (S7) and a convex image-side surface (S8); and a fifth lens (L5) having a negative refractive power.

Abstract: Embodiments of the present disclosure disclose a camera lens group, comprising, sequentially along an optical axis from an object side to an image side: a stop; 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 positive refractive power; and a sixth lens having a negative refractive power. A distance TTL on the optical axis from the object-side surface of the first lens to an image plane of the camera lens group and half of a diagonal length ImgH of an effective pixel area on the image plane of the camera lens group satisfy: TTL/ImgH?1.25. At least one of the surfaces from the object-side surface of the first lens to the image-side surface of the sixth lens is an aspheric surface.

Abstract: An optical imaging lens assembly including a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens sequentially from an object side to an image side along an optical axis is provided. The first lens has a negative refractive power, an object-side surface thereof is a concave surface, and an image-side surface thereof is a convex surface; and the third lens has a negative refractive power. The distance TTL from the object-side surface of the first lens to the imaging surface of the optical imaging lens assembly on the optical axis and a half ImgH of the diagonal length of the effective pixel region on the imaging surface of the optical imaging lens assembly satisfy: TTL/ImgH?1.4.

Abstract: An optical imaging lens assembly includes, sequentially from an object side to an image side along an optical axis, a first lens (E1) having a positive refractive power; a second lens (E2) having a refractive power; a third lens (E3) having a positive refractive power and an object-side surface (S5) of the third lens (E3) being convex; a fourth lens (E4) having a refractive power; a fifth lens (E5) having a refractive power and an image-side surface (S10) of the fifth lens (E5) being concave; a sixth lens (E6) having a refractive power; and a seventh lens (E7) having a refractive power. Half of a diagonal length ImgH of an effective pixel area on the imaging plane (S17) of the optical imaging lens assembly and an entrance pupil diameter EPD of the optical imaging lens assembly satisfy: ImgH/EPD<0.7.

Abstract: Embodiments of the present disclosure provide an optical imaging system that comprising, sequentially from an object side to an image side of the optical imaging system along an optical axis: a first lens having a negative refractive power; a second lens having a refractive power, the image side surface of the second lens is a convex surface; a stop; a third lens having a refractive power; a fourth lens having a negative refractive power; a fifth lens having a refractive power; a sixth lens having a refractive power; and a seventh lens having a positive refractive power. A half of a maximal field-of-view Semi-FOV of the optical imaging system satisfies: Semi-FOV?55°; and a distance TTL from an object side surface of the first lens to an imaging plane of the optical imaging system along the optical axis of the optical imaging system and a half of a diagonal length ImgH of an effective pixel area on an imaging plane of the optical imaging system satisfy: 3.0<TTL/ImgH<3.5.

Abstract: The disclosure provides an optical imaging lens assembly, which sequentially includes, from an object side to an image side along an optical axis: a first lens with a positive refractive power; a second lens with a negative refractive power; a third lens with a positive refractive power, an object-side surface thereof being a convex surface; a fourth lens with a refractive power; a fifth lens with a refractive power, an object-side surface thereof being a concave surface, while an image-side surface being a convex surface; a sixth lens with a refractive power; a seventh lens with a refractive power; an eighth lens with a refractive power; and a ninth lens with a refractive power. ImgH is a half of a diagonal length of an effective pixel region on an imaging surface of the optical imaging lens assembly, and ImgH meets 6.5 mm?ImgH?7.5 mm.

Abstract: The disclosure provides a zoom lens assembly, which sequentially comprises, from an object side to an image side along an optical axis thereof: a first lens group; a second lens group with a positive refractive power; and a third lens group with a negative refractive power. The second lens group and the third lens group move along the optical axis to implement continuous zooming. The zoom lens assembly has a wide-angle end position, a middle end position and a telephoto end position. EPD is an entrance pupil diameter of the zoom lens assembly, ImgH is a half of a diagonal length of an effective pixel region on an imaging surface of the zoom lens assembly, DTmax is a maximum value in effective radii of each lens in the first lens group, the second lens group and the third lens group, EPD and ImgH and DTmax satisfy: EPD*ImgH/DTmax>6.5 mm.

Abstract: The present disclosure discloses an optical imaging lens group. The optical imaging lens group comprises, sequentially along an optical axis from an object side to an image side, 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, wherein the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the seventh lens and the eighth lens have refractive powers. At least one lens in the first lens to the eighth lens has a non-rotationally symmetric aspheric surface; a total effective focal length fy of the optical imaging lens group in a Y-axis direction and a total effective focal length fx of the optical imaging lens group in an X-axis direction satisfy: fy/fx<0.8; and an f-number Fnoy of the optical imaging lens group in the Y-axis direction satisfies: Fnoy<2.9.

Abstract: The present disclosure discloses an optical imaging system. The optical imaging system comprises, sequentially along an optical axis from an object side to an image side, a stop; a first lens, having a positive refractive power; a second lens, having a refractive power; a third lens, having a refractive power; a fourth lens, having a negative refractive power, an object-side surface of the fourth lens is a convex surface; a fifth lens, having a negative refractive power; a sixth lens, having a refractive power; and a seventh lens, having a refractive power. Here, one of the first to seventh lenses is an aspheric lens made of glass, and a radius of curvature R2 of an image-side surface of the first lens and a radius of curvature R1 of an object-side surface of the first lens satisfy: 2.5?(R2+R1)/R2?R1)<3.0.

Abstract: An optical imaging lens assembly having, sequentially along an optical axis from an object side to an image side, a first lens, having a positive refractive power, an object-side surface of the first lens being a concave surface; a second lens, having a negative refractive power, an image-side surface of the second lens being a convex surface; a third lens, having a refractive power; a fourth lens, having a refractive power; a fifth lens, having a refractive power; a sixth lens, having a refractive power; a seventh lens, having a refractive power; and an eighth lens, having a refractive power.

Abstract: An optical imaging lens group is disclosed. An implementation of the optical imaging lens group includes, sequentially along an optical axis from an object side to an image side: first to eighth lenses having refractive powers. The object-side surface of the first lens is a concave surface. The image-side surface of the third lens is a concave surface. Half of a maximal field-of-view Semi-FOV of an optical imaging system satisfies: Semi-FOV>60°, and an optical distortion Dist. of the optical imaging system satisfies: |Dist.|?5.1%.

Abstract: The disclosure provides an optical imaging lens group, which sequentially includes from an object side to an image side along an optical axis: a first lens with a negative refractive power; a second lens with a refractive power; a third lens with a refractive power, an image-side surface thereof is a concave surface; a fourth lens with a negative refractive power; a fifth lens with a refractive power; and a sixth lens with a refractive power. Semi-FOV is a half of a maximum field of view of the optical imaging lens group, and Semi-FOV satisfies 45°<Semi-FOV<55°. A curvature radius R1 of an object-side surface of the first lens, a curvature radius R2 of an image-side surface of the first lens, a curvature radius R3 of an object-side surface of the second lens and a curvature radius R4 of an image-side surface of the second lens satisfy 0.5<(R1+R2)/(R3?R4)<1.5.

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 negative refractive power; a first prism including an incident surface, a reflecting surface, and an exit surface, and an angle between the reflecting surface of the first prism and the optical axis being 45°; a stop; a second lens having positive refractive power; a third lens having refractive power; a fourth lens having positive refractive power; a fifth lens having negative refractive power; and a second prism including an incident surface, a reflecting surface, and an exit surface, and an angle between the reflecting surface of the second prism and the optical axis being 45°. A total effective focal length f and a maximum field-of-view FOV of the optical imaging lens assembly satisfy: 2.50 mm<f*tan2(FOV/2)<4.00 mm.

Abstract: The disclosure provides an optical imaging system, which sequentially includes, from an object side to an image side along an optical axis: a diaphragm; a first lens with a refractive power, an image-side surface thereof being a convex surface; a second lens with a refractive power; a third lens with a negative refractive power; a fourth lens with a refractive power, an image-side surface thereof being a convex surface; a fifth lens with a refractive power, an object-side surface thereof being a concave surface; a sixth lens with a refractive power; and a seventh lens with a refractive power. EPD is an entrance pupil diameter of the optical imaging system, and a total effective focal length f of the optical imaging system and EPD satisfy f/EPD?1.5.

Abstract: The disclosure provides an optical imaging lens group. The optical imaging lens group sequentially includes from an object side to an image side along an optical axis of the optical imaging lens group: a first lens with a positive refractive power; a second lens with a refractive power, an image-side surface of the second lens is a concave surface; a third lens with a refractive power; a fourth lens with a refractive power, an image-side surface of the fourth lens is a concave surface; a fifth lens with a refractive power; a sixth lens with a refractive power, an image-side surface of the sixth lens is a concave surface; and a seventh lens with a negative refractive power. A maximum field of view FOV of the optical imaging lens group and an effective focal length f of the optical imaging lens group satisfy tan(FOV/2)*f>5 mm.

Abstract: The present disclosure discloses an optical imaging system, along an optical axis from an object side to an image side, sequentially includes: a first lens having negative refractive power; a second lens having positive refractive power, and an object-side surface of the second lens being a convex surface; a third lens having refractive power; and a fourth lens having refractive power, and an object-side surface of the fourth lens being a concave surface. A total effective focal length f of the optical imaging system and half of a maximum field-of-view Semi-FOV of the optical imaging system satisfy: f×tan(Semi-FOV)?4.0 mm; and the total effective focal length f of the optical imaging system and an entrance pupil diameter EPD of the optical imaging system satisfy: f/EPD<2.35.

Abstract: The disclosure discloses an optical imaging lens assembly, which sequentially includes, from an object side to an image side along an optical axis: a first lens with a positive refractive power; a variable diaphragm; a second lens; a third lens; a fourth lens; a fifth lens with a negative refractive power; a sixth lens with a positive refractive power; and a seventh lens with a negative refractive power. EPDmax is a maximum entrance pupil diameter of the optical imaging lens assembly, EPDmin is a minimum entrance pupil diameter of the optical imaging lens assembly, and EPDmax, EPDmin and a total effective focal length f of the optical imaging lens assembly meet 3.0<f/(EPDmax?EPDmin)<6.0.