Abstract: An imaging lens includes first to fifth lens elements arranged from an object side to an image side in the given order. Through designs of surfaces of the lens elements and relevant lens parameters, a wide field of view of the imaging lens may be achieved while maintaining good optical performance.

Abstract: An imaging lens includes first to fifth lens elements arranged from an object side to an image side in the given order. Through designs of surfaces of the lens elements and relevant lens parameters, a short system length of the imaging lens may be achieved while maintaining good optical performance.

Abstract: An imaging lens, substantially consisting of five lenses, composed of a positive first lens with a convex surface on the object side, a negative second lens with a concave surface on the object side, a third lens having a negative meniscus shape with a convex surface on the object side, a fourth lens having a positive meniscus shape with a concave surface on the object side, and a negative fifth lens with a concave surface on the image side, the image side surface having an aspherical shape with at least one inflection point located inward in a radial direction from the intersection between the image side surface and a principal ray of the maximum angle of view toward the optical axis, disposed in order from the object side, and satisfies given conditional expressions.

Abstract: An optical imaging lens set includes a first lens element to a plastic fifth lens element from an object side toward an image side along an optical axis. The second lens element has an image-side surface with a convex portion in a vicinity of its periphery. The fourth lens element has an image-side surface with a concave portion in a vicinity of the optical axis and a convex portion in a vicinity of its periphery.

Abstract: An imaging lens is substantially constituted by five lenses, including: a first lens having a positive refractive power and a convex surface toward the object side; a second lens having a negative refractive power and a concave surface toward the image side; a third lens having a negative refractive power and a concave surface toward the object side; a fourth lens having a positive refractive power and is of a meniscus shape with a concave surface toward the object side; and a fifth lens having a negative refractive power and is of a meniscus shape having a convex surface toward the image side, provided in this order from the object side. The imaging lens satisfies a predetermined conditional formula.

Abstract: An imaging lens substantially consists of, in order from an object side, five lenses of a first lens that has a positive refractive power and has a meniscus shape which is convex toward the object side, a second lens that has a negative refractive power, a third lens that has a negative refractive power, a fourth lens that has a positive refractive power, and a fifth lens that has a negative refractive power and has an aspheric shape of which an image side surface has an extreme point. Further, the imaging lens satisfies a predetermined conditional expression.

Abstract: Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens comprises five lens elements positioned sequentially from an object side to an image side and an aperture stop positioned before the first lens element. Through controlling the convex or concave shape of the surfaces of the lens elements and designing parameters satisfying at least one inequality, the optical imaging lens shows better optical characteristics and the total length of the optical imaging lens is shortened.

Abstract: An imaging lens is substantially constituted by five lenses, including: a positive first lens having a convex surface toward the object side; a negative second lens having a concave surface toward the object side; a positive third lens of a meniscus shape with a convex surface toward the object side; a positive fourth lens of a meniscus shape with a concave surface toward the object side; and a negative fifth lens having a concave surface toward the image side, the surface thereof toward the image side being of an aspherical shape having at least one inflection point within a range from an intersection of a principal light ray at a maximum angle of view with the surface toward the image side inwardly toward the optical axis in the radial direction, provided in this order from the object side. The imaging lens satisfies predetermined conditional formulae.

Abstract: This disclosure provides an optical image capturing lens system comprising: a positive first lens element having a convex object-side surface, a negative second lens element, a positive third lens element having a convex image-side surface, a fourth lens element having a concave object-side surface and a convex image-side surface; and a positive fifth lens element having a convex object-side surface at a paraxial region thereof, both of the object-side and image-side surfaces being aspheric, and at least one inflection point is positioned on at least one of the object-side and image-side surfaces thereof. When particular relations are satisfied, the angle at which light projects onto the image plane can be efficiently controlled for increasing the relative illumination and preventing the occurrence of vignetting.

Abstract: A five-piece wide-angle lens module includes a first lens, a second lens, a third lens, a stop, a fourth lens and a fifth lens, which are sequentially arranged from an object side to an image side. The first lens has a negative refractive power, a convex surface on the object side, and a concave surface on the image side. The second lens has a negative refractive power and two concave surfaces on both sides. The third lens has a positive refractive power. The fourth lens has a positive refractive power and two convex surfaces on both sides. The fifth lens has a negative refractive power. Thereby, the five-piece wide-angle lens module can provide good image quality even in the environment with severe temperature changes.

Abstract: An imaging lens substantially consists of, in order from an object side, five lenses of a first lens that has a positive refractive power and has a meniscus shape which is convex toward the object side, a second lens that has a biconcave shape, a third lens that has a meniscus shape which is convex toward an image side, a fourth lens that has a positive refractive power, and a fifth lens that has a negative refractive power and has at least one inflection point on an image side surface. Further, the imaging lens satisfies a predetermined conditional expression.

Abstract: An imaging lens substantially consists of, in order from an object side, five lenses of a first lens that has a biconvex shape, a second lens that has a negative refractive power, a third lens that has a negative refractive power and has a meniscus shape which is concave toward the object side, a fourth lens that has a positive refractive power, and a fifth lens that has a negative refractive power and has an aspheric shape which is concave toward an image side and of which an image side surface has an extreme point. Further, the imaging lens satisfies predetermined conditional expressions.

Abstract: An optical image capturing system includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element with refractive power has a convex object-side surface in a paraxial region thereof and a concave image-side surface in a paraxial region thereof. The second lens element has positive refractive power. The third lens element with negative refractive power has a concave image-side surface in a paraxial region thereof. The fourth lens element with positive refractive power has a convex image-side surface in a paraxial region thereof. The fifth lens element with negative refractive power has a concave image-side surface in a paraxial region thereof, wherein the surfaces thereof are aspheric. The optical image capturing system has a total of five lens elements with refractive power.

Abstract: A photographing system includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element has positive refractive power. The second lens element has negative refractive power. The third lens element with positive refractive power has a convex object-side surface and a convex image-side surface. The fourth lens element with negative refractive power has a concave object-side surface. The object-side surface and an image-side surface of the fourth lens element are aspheric. The fifth lens element with refractive power has a concave image-side surface. An object-side surface and the image-side surface of the fifth lens element are aspheric, and the fifth lens element has at least one inflection point formed on the image-side surface thereof.

Abstract: An imaging lens substantially consists of, in order from an object side, five lenses of a first lens that has a positive refractive power and has a meniscus shape which is convex toward the object side, a second lens that has a negative refractive power, a third lens that has a negative refractive power, a fourth lens that has a positive refractive power, and a fifth lens that has a negative refractive power and has an object side surface and an image side surface which have aspheric shapes. Further, the imaging lens satisfies predetermined conditional expressions.

Abstract: An imaging lens substantially consists, in order from an object side, five lenses of a first lens that has a positive refractive power and has a meniscus shape which is convex toward the object side, a second lens that has a negative refractive power, a third lens that has a negative refractive power, a fourth lens that has a positive refractive power, and a fifth lens that has a negative refractive power and has an object side surface and an image side surface which have aspheric shapes. Further, the imaging lens satisfies predetermined conditional expressions.

Abstract: An imaging lens substantially consists of, in order from an object side, five lenses of a first lens that has a positive refractive power and has a meniscus shape which is convex toward the object side, a second lens that has a negative refractive power and has a meniscus shape which is concave toward the object side, a third lens that has a meniscus shape which is convex toward the image side, a fourth lens that has a positive refractive power and is convex toward the object side, and a fifth lens that has a negative refractive power and has at least one inflection point on an image side surface.

Abstract: An imaging lens substantially consists of, in order from an object side, five lenses of a first lens that has a positive refractive power and is convex toward the object side, a second lens that has a negative refractive power, a third lens, a fourth lens that has a positive refractive power, and a fifth lens that has a negative refractive power and has an object side surface and an image side surface which have aspheric shapes. Further, the imaging lens satisfies predetermined conditional expressions.

Abstract: An imaging lens includes first to fifth lens elements arranged from an object side to an image side in the given order. Through designs of surfaces of the lens elements and relevant optical parameters, a short system length of the imaging lens may be achieved while maintaining good optical performance.

Abstract: An imaging lens substantially consists of, in order from an object side, five lenses of a first lens that has a biconvex shape, a second lens that has a negative refractive power, a third lens, a fourth lens that has a positive refractive power, and a fifth lens that has a negative refractive power and has an object side surface and an image side surface which have aspheric shapes. Further, the imaging lens satisfies predetermined conditional expressions.

Abstract: A low-cost, compact and low-profile imaging lens with relatively high brightness, which provides a wide field of view (full field of view: about 90 degrees) and corrects aberrations properly. Designed for a solid-state image sensor, it includes elements arranged in the following order from an object side to an image side: an aperture stop, a first positive (refractive power) lens, a second negative lens having a concave image-side surface, a third positive lens having a convex image-side surface, a fourth lens as a meniscus double-sided aspheric lens having a convex object-side surface near an optical axis, a fifth negative lens as a double-sided aspheric lens having a concave image-side surface near the optical axis, and a conditional expression (1) below is satisfied: |r1|>|r2|??(1) where r1: curvature radius of the object-side surface of the first lens r2: curvature radius of the image-side surface of the first lens.

Abstract: Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens comprises five lens elements positioned sequentially from an object side to an image side. Though controlling the convex or concave shape of the surfaces and/or the refracting power of the lens elements, the optical imaging lens shows better optical characteristics and the total length of the optical imaging lens is shortened.

Abstract: A compact telephoto lens system that may be used in a small form factor cameras. The lens system may include five lens elements with refractive power. Alternatively, the lens system may include four lens elements with refractive power. At least one of the object side and image side surfaces of at least one of the lens elements is aspheric. Total track length (TTL) of the lens system may be 6.0 mm or less. Focal length f of the lens system may be at or about 7.0 mm (for example, within a range of 6.5-7.5 mm). Lens elements are selected and configured so that the telephoto ratio (TTL/f) satisfies the relation 0.74<TTL/f<1.0. Materials, radii of curvature, shapes, sizes, spacing, and aspheric coefficients of the lens elements may be selected to achieve quality optical performance and high image resolution in a small form factor telephoto camera.

Abstract: The present disclosure illustrates a five-piece imaging lens assembly which includes an aperture stop, an optical lens assembly, an image plane. The optical lens assembly, in order from an object side to an image side, includes a first lens element with positive refractive power adjacent to the optical axis and having a convex object-side surface, a second lens element with negative refractive power adjacent to the optical axis and having a concave object-side surface, a third lens element and a fourth lens element with refractive power adjacent to the optical axis, and a fifth lens element with negative refractive power adjacent to the optical axis and having a convex image-side surface. At least one of the object-side surface and the image-side surface of the fifth lens element has an inflection point. The image plane is for image formation for an object.

Abstract: An imaging lens includes first to fifth lens elements arranged from an object side to an image side in the given order. Through designs of surfaces of the lens elements and relevant optical parameters, a short system length of the imaging lens may be achieved while maintaining good optical performance.

Abstract: An imaging lens is substantially constituted by five lenses, including: a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a negative refractive power; a fourth lens having a negative refractive power; a fifth lens having a negative refractive power and an inflection point on the surface thereof toward the image side. All of the first lens through the fifth lens are single lenses, and the imaging lens satisfies predetermined conditional formulae.

Abstract: An imaging optical lens assembly includes an aperture stop and an optical assembly, the optical assembly includes, in order from the object side to the image side: a first lens element with a positive refractive power; a second lens element with a refractive power; a third lens element with a refractive power; a fourth lens element with a refractive power; a fifth lens element with a negative refractive power having an image-side surface being convex near an optical axis; wherein the image-side surface of the fifth lens element is formed with at least two inflection points, including a first inflection point and a second inflection point further away from the optical axis, a vertical distance from the first inflection point to the optical axis is Y_inf1, a vertical distance from the second inflection point to the optical axis is Y_inf2, satisfying: 1.7<Y_inf2/Y_inf1<2.1.

Abstract: An imaging lens forms an image on a solid-state image sensor. The constituent elements are arranged in order from an object side: an aperture stop, positive first lens having a convex object-side surface, negative second lens having a concave image-side surface, positive or negative double-sided aspheric third lens, positive fourth lens having a convex image-side surface, and negative double-sided aspheric fifth lens having a concave image-side surface. In addition, all of the lenses are made of plastic, and conditional expressions (1) through (4) below are satisfied: 2.0<r7/r8<5.0;??(1) ?1.35<f4/f5<?0.8;??(2) TLA/2ih<0.80;??(3) 1.50<Nd<1.

Abstract: Method for manufacturing an image pickup lens unit. In the second molding step, by performing additional molding with respect to a first holder member 20 in which a lens 10 has been inserted, the separation of the lens 10 can be prevented and, at the same time, a second holder member 30 welded to the first holder member 20 can be molded. Therefore, molding of the second holder member 30 and the process of joining the second holder member with the first holder member 20 can be performed together. Additionally, when the lens 10 is fixed from the side of a third molding portion 63 of a second mold 52, the lens 10 and the third molding portion 63 are brought in contact by an elastic biasing force, thereby reducing breakage or deformation of the lens 10.

Abstract: A five-piece optical lens system includes, in order from the object side to the image side: a stop, a first lens element with a positive refractive power has a convex image-side surface and at least one aspheric surface; a second lens element with a negative refractive power has a convex object-side surface and at least one aspheric surface; a third lens element has a concave image-side surface and at least one aspheric surface; a fourth lens element with a positive refractive power has a convex object-side surface and at least one aspheric surface, and a fifth lens element with a negative refractive power has a concave object-side surface and at least one aspheric surface. Thereby, such a system can be applied to a high resolution mobile phone.

Abstract: A photographing optical lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element has an object-side surface being convex in a paraxial region thereof. The second lens element has an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof. The third lens element has an object-side surface being convex in a paraxial region thereof. The fourth lens element has an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof. The fifth lens element has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof.

Abstract: An image lens is disclosed. The image lens includes, arranged in succession from the object side to the image side, an aperture stop S1, a first lens L1 having two convex surfaces and having a positive refractive power, a second lens L2 having a meniscus shape convex toward the object side and having a negative refractive power, a third lens L3 having a positive refractive power, a fourth lens L4 having a meniscus shape convex toward the image side and having a positive refractive power, and a fifth lens L5 having a meniscus shape convex toward the object side and having a negative refractive power.

Abstract: An image capturing optical lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The second lens element has negative refractive power. The third lens element has refractive power. The forth lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave or planar in a paraxial region thereof. The fifth lens element with negative refractive power has an object-side surface being concave in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof.

Abstract: An imaging lens includes a first lens having positive refractive power; a second lens having negative refractive power; a third lens having negative refractive power; a fourth lens; and a fifth lens having negative refractive power, arranged in this order from an object side to an image plane side. The first lens is formed in a shape so that a surface thereof on the object side has a positive curvature radius. The third lens is formed in a shape so that a surface thereof on the image plane side has a positive curvature radius. The fifth lens is formed in a shape so that a surface thereof on the object side has a negative curvature radius, and a surface thereof on the image plane side has a positive curvature radius. The first to third lenses have specific Abbe's numbers. The second and third lenses have specific focal lengths.

Abstract: An imaging lens includes first to fifth lens elements arranged from an object side to an image side in the given order. Through designs of surfaces of the lens elements and relevant optical parameters, a short system length of the imaging lens may be achieved while maintaining good optical performance.

Abstract: An imaging lens includes first to fifth lens elements arranged from an object side to an image side in the given order. The image-side surface of the first lens element has a convex portion in a vicinity of its periphery. The object-side surface of the second lens element has a concave portion in a vicinity of its periphery. The image-side surface of the second lens element has a convex portion in a vicinity of its periphery. The object-side surface of the third lens element has a concave portion in a vicinity of its periphery. The fourth lens element has a positive refractive power, and the object-side surface thereof has a concave portion in a vicinity of an optical axis. The fifth lens element is made of a plastic material.

Abstract: An imaging lens includes a first lens having positive refractive power; a second lens having negative refractive power; a third lens having negative refractive power; a fourth lens having positive refractive power; and a fifth lens having negative refractive power, arranged in this order from an object side to an image plane side. The first lens has an Abbe's number ?d1, the second lens has an Abbe's number ?d2, and the fourth lens and the fifth lens have a composite focal length f45 so that the following conditional expressions are satisfied: 45<?d1<75, 20<?d2<35, ?10.0<f45/f<?1.0, where f is a focal length of a whole lens system.

Abstract: A low-cost, compact and low-profile imaging lens with relatively high brightness, which provides a wide angle of view of about 90 degrees and corrects various aberrations properly. It is designed for use in a solid-state image sensor and includes the following elements arranged in order from an object side to an image side: a first lens as a positive or negative double-sided aspheric lens having a convex object-side surface near an optical axis; an aperture stop; a positive second lens having a convex image-side surface; a negative third lens having a concave image-side surface; a positive fourth lens having a convex image-side surface; and a fifth lens as a negative meniscus lens having a concave image-side surface near the optical axis. It satisfies a conditional expression (1) below: 0.9<ih/f<1.1??(1) where f: focal length of the overall optical system of the imaging lens ih: maximum image height.

Abstract: An image capturing optical lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, and a fifth lens element. The first lens element with refractive power has an object-side surface being convex in a paraxial region thereof. The second lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The third lens element has negative refractive power. The fourth lens element with positive refractive power has an image-side surface being convex in a paraxial region thereof. The fifth lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof. The image capturing optical lens assembly has a total of five lens elements with refractive power.

Abstract: Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens comprises five lens elements positioned sequentially from an object side to an image side. Though controlling the convex or concave shape of the surfaces, the refracting power of the lens elements and/or equations between parameters, the optical imaging lens shows better optical characteristics and the total length of the optical imaging lens is shortened.

Abstract: An image pickup lens includes a first lens having a positive refractive power with a convex surface facing the object side, a second lens having a negative refractive power with a concave surface facing the image side, a third lens having a positive refractive power with a convex surface facing the object side, a fourth lens having both sides formed as aspheric surfaces and having a negative refractive power with a concave surface facing the image side, and a fifth lens having both sides formed as aspheric surfaces and having a positive refractive power with a concave surface facing the image side, wherein the first lens and the second lens satisfy following conditional expressions (1), (2) and (3); 45<?1<90??(1) 22<?2<35??(2) 2.0<?1/?2 <2.6??(3) where ?1 represents an Abbe number of the first lens, and ?2 represents an Abbe number of the second lens.

Abstract: There is provided a lens module, including: a first lens having positive refractive power, an object-sided surface thereof being convex; a second lens having negative refractive power, an image-sided surface thereof being concave; a third lens having positive refractive power; a fourth lens having negative refractive power, an image-sided surface thereof being convex; and a fifth lens having negative refractive power, an image-sided surface thereof being concave, wherein the fourth lens satisfies Conditional Expression 1, f ? ? 4 f < - 3.0 [ Conditional ? ? Expression ? ? 1 ] where f is an overall focal distance of an optical system and f4 is a focal distance of the fourth lens.

Abstract: An image capturing lens system includes five lens elements with refractive power, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element with positive refractive power has a convex object-side surface. The second lens element has positive refractive power. The third lens element has negative refractive power. The fourth lens element with refractive power has a concave image-side surface in a paraxial region thereof, wherein the surfaces thereof are aspheric. The fifth lens element with refractive power has a concave image-side surface in a paraxial region thereof, wherein the image-side surface of the fifth lens element has at least one inflection point, and the surfaces thereof are aspheric.

Abstract: A thin-type wide-angle imaging lens assembly comprises a fixing diaphragm and an optical set including five lenses. An arranging order from an object side to an image side is: a first lens; a second lens; a third lens; a fourth lens; a fifth lens; and the fixing diaphragm disposed between an object and the third lens. At least one surface of the first, second, and third lenses is aspheric. At least one surface of the fourth and fifth lenses is aspheric. By the concatenation between the lenses and the adapted curvature radius, thickness, interval, refractivity, and Abbe numbers, the assembly attains a shorter height and a better optical aberration.

Abstract: An optical imaging lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element has positive refractive power. The second lens element has positive refractive power. The third lens element has positive refractive power. The fourth lens element with positive refractive power has a convex image-side surface. The fifth lens element with refractive power has a concave image-side surface in a paraxial region thereof, wherein the image-side surface of the fifth lens element has at least one convex shape in an off-axis region thereof, and the surfaces thereof are aspheric. The optical imaging lens assembly has a total of five lens elements with refractive power.

Abstract: An optical imaging lens set includes: a first lens element, an aperture stop, a second lens element, a third lens element, a fourth lens element and a fifth lens element, the first lens element with refractive power having a convex object-side surface and an image-side surface with a concave part in a vicinity of its periphery, the second lens element with refractive power having an object-side surface with a convex part in a vicinity of its periphery, the third lens element with refractive power having an object-side surface with a concave part in a vicinity of its periphery, the fourth lens element with refractive power, the fifth lens element with refractive power having an image-side surface with a concave part in a vicinity of the optical axis.

Abstract: An optical lens system includes an aperture stop and an optical assembly, the optical assembly includes, in order from an object side to an image side: a first lens element with a positive refractive power; a second lens element with a negative refractive power; a third lens element with a positive refractive power; a fourth lens element with a positive refractive power; a fifth lens element with a negative refractive power; the aperture stop is located between an image-side surface of the first lens element and an object to be photographed. The optical lens system satisfies the following conditions: 0.55<TD/CA52<0.73; 20<Vd3?Vd2<40; 80<FOV<100; and 1.0<TL/ImgH<1.6.

Abstract: An imaging lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The imaging lens assembly has five non-cemented lens elements with refractive power and further includes a stop located between an imaged object and the first lens element. The first lens element with positive refractive power has a convex object-side surface. The second through fifth lens elements all have refractive power. The third lens element has a convex image-side surface. The fifth lens element has a concave image-side surface at a paraxial region thereof, wherein the image-side surface of the fifth lens element has a convex shape at a peripheral region thereof, and both of an object-side surface and the image-side surface of the fifth lens element are aspheric.

Abstract: An imaging lens includes first to fifth lens elements arranged from an object side to an image side in the given order. The first lens element has a positive refractive power and a convex object-side surface. The second lens element has a negative refractive power and an image-side surface with a concave peripheral portion. The third lens element has an object-side surface with a concave peripheral portion. The fourth lens element has an image-side surface with a concave portion in a vicinity of an optical axis. The fifth lens element has an image-side surface with a concave portion in the vicinity of the optical axis and a convex peripheral portion.

Abstract: An imaging lens includes first, second, third, fourth, and fifth lens elements arranged from an object side to an image side in the given order. The first, second, and third lens elements have positive, negative, and negative refractive powers, respectively. The third lens element has an image-side surface having a convex portion in a vicinity of a periphery of the third lens element. The fourth lens element has a concave object-side surface. The fifth lens element has an object-side surface that has a convex portion in a vicinity of an optical axis of the imaging lens, and an image-side surface that has a concave portion in a vicinity of the optical axis and a convex portion in a vicinity of a periphery of the fifth lens element.