Abstract: An optical system includes a first lens including a positive refractive power, a second lens including a positive refractive power and a convex image-side surface, a third lens, and a fourth lens. The optical system includes a fifth lens including a concave object-side surface and a concave image-side surface, and a sixth lens including an inflection point formed on an image-side surface thereof. The first to sixth lenses are sequentially disposed from an object toward an imaging plane.

Abstract: The present invention discloses a camera optical lens including, from an object side to an image side in sequence, 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 positive refractive power, and a fifth lens having a refractive power. The camera optical lens satisfies the following conditions: 8.00?f, 0.90?f/TTL, 0.40?f1/f?0.85, ?1.10?f3/f4??0.40, and 0.30?d2/d4?2.00. The camera optical lens has large aperture, long focal length and small distortion.

Abstract: The present invention provides an optical imaging lens. The optical imaging lens comprises eight lens elements positioned in an order from an object side to an image side. Through controlling the convex or concave shape of the surfaces of the lens elements, the optical imaging lens may be provided with shortened system length, reduced f number, and increased image height, along with good imaging quality.

Abstract: An optical system includes: a first lens having refractive power; a second lens having refractive power; a third lens having refractive power and comprising an image-side surface which is convex in a paraxial region; a fourth lens having refractive power; a fifth lens having refractive power and comprising an image-side surface which is concave in the paraxial region; a sixth lens having refractive power; and a stop disposed in front of an object-side surface of the first lens. The first to sixth lenses are sequentially disposed from an object side. A radius of the stop SD and an overall focal length of the optical system f satisfy: 0.2<SD/f<0.6. An aberration improvement effect and high degrees of resolution and brightness may be obtained.

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, and a sixth lens. The first lens has a positive refractive power, both of an object-side surface and an image-side surface thereof are convex surfaces; the second lens has a negative refractive power; the third lens has a negative refractive power, and an image-side surface thereof is a concave surface; the fourth lens has a refractive power; the fifth lens has a refractive power, and an image-side surface thereof is a convex surface; the sixth lens has a refractive power, and an object-side surface thereof is a concave surface. Half of a maximal field-of-view HFOV of the optical imaging lens assembly satisfies HFOV<30°.

Abstract: A camera optical lens includes 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, and a fifth lens having a negative refractive power, which are sequentially arranged from an object side to an image side. 0.90?f1/f?1.20, 5.00?(R3+R4)/(R3?R4)?30.00, 3.00?d5/d6?10.00, and ?15.00?(R5+R6)/(R5?R6)??3.00. f denotes a focal length of the camera optical lens, f1 denotes a focal length of the first lens, R3 denotes a curvature radius of an object-side surface of the second lens, R4 denotes a curvature radius of an image-side surface of the second lens, and R5 denotes a curvature radius of an object-side surface of the third lens. The camera optical lens has good optical performance and meets the design requirements of a large aperture, a wide angle, and ultra-thinness.

Abstract: An optical imaging system includes a first lens having a positive refractive power and a convex object-side surface; a second lens having a negative refractive power, a convex object-side surface, and a concave image-side surface; a third lens having a negative refractive power; a fourth lens having a refractive power; a fifth lens having a negative refractive power; and a sixth lens having a positive refractive power. The first to sixth lenses are sequentially disposed in ascending numerical order from an object side of the optical imaging system toward an imaging plane of the optical imaging system, and are the only lenses having a refractive power in the optical imaging system.

Abstract: There is provided an imaging lens with excellent optical characteristics which satisfies demand of a low profile and a low F-number. An imaging lens comprises in order from an object side to an image side, a first lens with positive refractive power having a convex object-side surface in a paraxial region, a second lens with negative refractive power in a paraxial region, a third lens with negative refractive power in a paraxial region, a fourth lens with positive refractive power in a paraxial region, and a fifth lens with negative refractive power having a convex image-side surface in a paraxial region, and predetermined conditional expressions are satisfied.

Abstract: The application discloses an optical imaging lens assembly including sequentially from an object side to an image side, a first lens with a positive refractive power and a convex object side surface; a second lens with a refractive power and a concave image side surface; a third lens with a refractive power; a fourth lens with a positive refractive power; a fifth lens with a negative refractive power and a concave object side surface; and a sixth lens with a negative refractive power and a concave object side surface, wherein a space interval T34 between the third lens and the fourth lens along an optical axis and a space interval T45 between the fourth lens and the fifth lens along the optical axis satisfy 0.2<T34/T45<0.6.

Abstract: An optical image lens 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, a fifth lens element and a sixth 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 has refractive power. The fifth lens element with refractive power has an image-side surface being convex in a paraxial region thereof, wherein at least one surface of the fifth lens element is aspheric. The sixth lens element with refractive power has an image-side surface being concave in a paraxial region thereof, wherein at least one surface of the sixth lens element is aspheric, and the image-side surface of the sixth lens element has at least one inflection point thereon.

Abstract: The present disclosure relates to the technical field of optical lens and discloses a camera optical lens. The camera optical lens includes, from an object side to an image side: 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, a fifth lens and a sixth lens. The camera optical lens satisfies following conditions: 1.00?f2/f3?10.00 and 2.00?d3/d5?3.00, where f2 denotes a focal length of the second lens; f3 denotes a focal length of the third lens; d3 denotes an on-axis thickness of the second lens; and d5 denotes an on-axis thickness of the third lens. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.

Abstract: An electronic device includes a lens system including four lens elements. the four lens elements are, in order from an outer side to an inner side, a first lens element, a second lens element, a third lens element and a fourth lens element. The second lens element has negative refractive power. The fourth lens element has positive refractive power. At least one surface of the four lens elements has at least one inflection point. A projection device and a detecting module of the electronic device including the lens system are also disclosed.

Abstract: The present disclosure relates to the field of optical lenses and provides a camera optical lens. The camera optical lens includes, from an object side to an image side: a first lens; a second lens having a negative refractive power; a third lens having a negative refractive power; a fourth lens; a fifth lens; and a sixth lens. The camera optical lens satisfies following conditions: ?3.00?f1/f2??1.00; and ?30.00?R3/R4??2.00. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.

Abstract: An optical imaging system includes a first lens having a positive refractive power, an image-side surface of the first lens being concave, a second lens, a third lens, an image-side surface of the third lens being concave, a fourth lens, a fifth lens, an image-side surface of the fifth lens being concave, and a sixth lens having a positive refractive power and having an inflection point formed on an image-side surface, wherein an F number of the optical imaging system is lower than 2.2.

Abstract: An imaging lens assembly includes a total of six lens elements which are, 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, a fifth lens element and a sixth lens element. The first lens element has positive refractive power. The second lens element has negative refractive power. The fifth lens element has negative refractive power. The sixth lens element has an image-side surface being concave in a paraxial region thereof.

Abstract: An imaging lens assembly includes a total of six lens elements. The six lens elements are, 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, a fifth lens element and a sixth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof.

Abstract: This disclosure provides an image capturing optical lens assembly including, in order from an object side to an image side: a first lens element with refractive power having an object-side surface being convex in a paraxial region thereof; a second lens element having positive refractive power; a third lens element with refractive power having an image-side surface being concave in a paraxial region thereof; a fourth lens element with refractive power having an image-side surface being concave in a paraxial region thereof, wherein both surfaces thereof being aspheric; a fifth lens element with refractive power having an object-side surface being concave in a paraxial region thereof; and a sixth lens element with refractive power having an image-side surface being concave in a paraxial region thereof, wherein both surfaces thereof being aspheric, and the image-side surface having at least one convex shape in an off-axis region thereof.

Abstract: An imaging optical lens assembly includes six lens elements, the six lens elements being, 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, a fifth lens element and a sixth lens element. The first lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof. The second lens element has positive refractive power. The fourth lens element has an image-side surface being concave in a paraxial region thereof. The sixth 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 and including at least one convex critical point in an off-axis region thereof.

Abstract: An optical imaging system includes lenses sequentially disposed from an object side toward an imaging plane and including a refractive power in paraxial regions or edges of the paraxial regions. An object-side surface of a fifth lens of the lenses is planar in a paraxial region and the fifth lens includes a refractive power at an edge of the paraxial region.

Abstract: The present invention provides a camera optical lens including, sequentially from an object side to an image side: 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 positive refractive power; a fifth lens having a positive refractive power; and a sixth lens having a negative refractive power. The camera optical lens satisfies following conditions: 1.00?R10/(R11+R12)?10.00; 0.60?R9/(R7+R8)?1.80; and 1.00?R5/R3?3.00, where R3, R5, R7, R9, and R11 denote curvature radiuses of object side surfaces of the second, third, fourth, fifth and sixth lenses, respectively; and R8, R10 and R12 denote curvature radiuses of image side surfaces of the fourth, fifth and sixth lenses, respectively. The camera optical lens can achieve high optical performance while satisfying design requirements for ultra-thin, wide-angle lenses having large apertures.

Abstract: The present disclosure relates to the technical field of optical lens and discloses a camera optical lens. The camera optical lens includes, from an object side to an image side: 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, a fifth lens and a sixth lens. The camera optical lens satisfies following conditions: 10.00?f2/f3?20.00 and 1.00?d2/d4?3.00, where f2 denotes a focal length of the second lens; f3 denotes a focal length of the third lens; d2 denotes an on-axis distance from an image-side surface of the first lens to an object-side surface of the second lens; and d4 denotes an on-axis distance from an image-side surface of the second lens to an object-side surface of the third lens.

Abstract: The present disclosure relates to the technical field of optical lens and discloses a camera optical lens. The camera optical lens includes, from an object side to an image side: 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 and a sixth lens. The camera optical lens satisfies the following conditions: 5.00?f1/f?10.00 and 20.00?R3/d3??5.00, where f denotes a focal length of the camera optical lens; f1 denotes a focal length of the first lens; R3 denotes a curvature radius of an object-side surface of the second lens; d3 denotes an on-axis thickness of the second lens. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.

Abstract: The present disclosure discloses a camera lens assembly. The camera lens assembly from an object side of the camera lens assembly to an image side sequentially includes: a first lens having a positive refractive power, wherein an object-side surface of the first lens is a convex surface; a second lens having a negative refractive power, wherein an image-side surface of the second lens is a concave surface; a third lens having a refractive power; a fourth lens having a refractive power; a fifth lens having a refractive power; and a sixth lens having a refractive power. A maximum effective radius DT11 of the object-side surface of the first lens and a maximum effective radius DT62 of an image-side surface of the sixth lens satisfy: 0.8<DT11/DT62<1.2. The camera lens assembly of the present disclosure uses has characteristics of long effective focal length, good image quality, and small module size.

Abstract: An imaging lens includes a first lens; a second lens; a third lens having positive refractive power; a fourth lens; a fifth lens; and a sixth lens, arranged in this order from an object side to an image plane side. The second lens has a convex surface facing the object side near an optical axis thereof. The sixth lens has a convex surface facing the image plane side near an optical axis thereof. The first lens is arranged so that a surface thereof on the object side is away from an image plane by a specific distance on an optical axis thereof. The second lens is arranged to be away from the third lens by a specific distance on the optical axis thereof. The fourth lens is arranged to be away from the fifth lens by a specific distance on an optical axis thereof.

Abstract: The present disclosure discloses a camera optical lens. The camera optical lens includes, in an order from an object side to an image side, an aperture, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. The camera optical lens further satisfies specific conditions.

Abstract: An optical imaging lens assembly is disclosed. The optical imaging lens assembly includes, sequentially along an optical axis from an object side to an image side, a first lens to a fifth lens. The first lens may have a positive refractive power and a concave object-side surface. The second lens may have a positive or a negative refractive power and a concave object-side surface. The third lens may have a positive or a negative refractive power. The fourth lens may have a positive refractive power and a convex image-side surface. The fifth lens may have a negative refractive power, and an object-side surface of the fifth lens and an image-side surface of the fifth lens may both be concave surfaces. A center thickness CT3 of the third lens on the optical axis and a center thickness CT4 of the fourth lens on the optical axis satisfy: CT3/CT4?1.5.

Abstract: An image 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, a fifth lens element and a sixth 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 refractive power. The fourth lens element has refractive power. The fifth lens element with negative refractive power has a concave object-side surface, wherein both of the surfaces of the fifth lens element are aspheric. The sixth lens element with refractive power has a concave image-side surface, wherein the image-side surface thereof has at least one inflection point, and both of the surfaces of the sixth lens element are aspheric. The image lens assembly has a total of six lens elements with refractive power.

Abstract: There is provided an imaging lens with high-resolution which satisfies demand of the wide field of view, the low-profileness and the low F-number, and excellently corrects aberrations. An imaging lens comprises in order from an object side to an image side, a first lens having positive refractive power and a convex surface facing the object side near an optical axis, a second lens having negative refractive power near the optical axis, a third lens, a fourth lens, a fifth lens having a concave surface facing the image side near the optical axis, and a sixth lens having a concave surface facing the image side near the optical axis, wherein an image-side surface of the sixth lens is formed as an aspheric surface having at least one off-axial pole point, the fifth lens has positive refractive power near the optical axis, an object-side surface of the sixth lens has a convex surface facing the object side near the optical axis, and predetermined conditional expressions are satisfied.

Abstract: The present disclosure discloses a camera optical lens, including, in an order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of plastic material, the second lens is made of glass material, the third lens is made of plastic material, the fourth lens is made of plastic material, the fifth lens is made of plastic material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.

Abstract: An optical imaging system includes a first lens having a positive refractive power, an image-side surface of the first lens being concave, a second lens, a third lens, an image-side surface of the third lens being concave, a fourth lens, a fifth lens, an image-side surface of the fifth lens being concave, and a sixth lens having a positive refractive power and having an inflection point formed on an image-side surface, wherein an F number of the optical imaging system is lower than 2.2.

Abstract: An imaging lens includes a first lens having positive refractive power; a second lens; a third lens; a fourth lens having negative refractive power; a fifth lens; and a sixth lens, arranged in this order from an object side to an image plane side with spaces in between each of the lenses. The first lens is formed in a meniscus shape to have an object side convex surface. The third lens is formed in a meniscus shape. The fourth lens has an object side concave surface. The fifth lens has two aspheric surfaces. The sixth lens has two aspheric surfaces and the image plane side convex surface. The fifth lens has a specific thickness, and the sixth lens has a specific thickness. The fourth lens has a specific Abbe's number. The fifth lens has a specific Abbe's number.

Abstract: The present disclosure discloses a camera optical lens. The camera optical lens including, in an order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of glass material, the second lens is made of glass material, the third lens is made of plastic material, the fourth lens is made of plastic material, the fifth lens is made of plastic material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.

Abstract: One embodiment provides an imaging lens comprising at least a first lens to a fourth lens which have refractive power and are disposed in order from an object-side to an image formation-side, wherein a protection lens is disposed on the front surface of a first surface of the first lens, the first surface being in the direction of the object-side, wherein the protection lens has a thickness of 1.2 millimeters or less and an effective size of 22 millimeters or more; the diameter thereof in the direction of the object-side is greater than the diameter thereof in the direction of the image formation-side; and the protection lens is disposed within 3 millimeters from the first lens.

Abstract: An image 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, a fifth lens element and a sixth 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 refractive power. The fourth lens element has refractive power. The fifth lens element with negative refractive power has a concave object-side surface, wherein both of the surfaces of the fifth lens element are aspheric. The sixth lens element with refractive power has a concave image-side surface, wherein the image-side surface thereof has at least one inflection point, and both of the surfaces of the sixth lens element are aspheric. The image lens assembly has a total of six lens elements with refractive power.

Abstract: An imaging optical 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, a fifth lens element and a sixth lens element. The first lens element has positive refractive power in a paraxial region thereof. The second lens element has negative refractive power in a paraxial region thereof. Both of the third and fourth lens elements have refractive power. The fifth lens element with refractive power 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 sixth 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 imaging optical system has a total of six lens elements with refractive power.

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

Abstract: An optical lens of the present disclosure 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, a fifth lens element, a sixth lens element, an optical filter and a sensor. The optical lens also has an axis. The first lens element, the second lens element, the third lens element, the fourth lens element, the fifth lens element and the sixth lens element are symmetrical about the axis.

Abstract: A camera lens is disclosed. The camera lens includes a first lens with positive refractive power; a second lens with negative refractive power; a third lens with negative refractive power; a fourth lens with positive refractive power; a fifth lens with negative refractive power; and a sixth lens with negative refractive power. The camera lens further satisfies specific conditions.

Abstract: An optical imaging lens includes: a first, second, third, fourth, fifth and sixth lens element. The first lens element has positive refracting power, an object-side surface with a convex part in a vicinity of the optical axis, and a convex part in a vicinity of its periphery, the second lens element has negative refracting power, an image-side surface with a convex part in a vicinity of its periphery, the third lens element has an image-side surface with a concave part in a vicinity of the optical axis, the fourth lens has an image-side surface with a convex part in a vicinity of the optical axis, the fifth lens element has object-side surface with a concave part in a vicinity of the optical axis, and the sixth lens element has an image-side surface with a concave part in a vicinity of the optical axis.

Abstract: An imaging lens according to the disclosure includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The first lens includes a meniscus lens that has a convex surface facing object side and has positive refractive power near an optical axis. The second lens has a convex surface facing the object side and has negative refractive power near the optical axis. The third lens has positive refractive power near the optical axis. The fifth lens has positive refractive power near the optical axis. The sixth lens has negative refractive power near the optical axis and has an aspheric surface on the image plane side. The aspheric surface has an inflection point. The first lens, the second lens, the third lens, the fourth lens, the fifth lens, and the sixth lens are disposed in order from the object side toward the image plane side. The imaging lens satisfies the following conditional expressions. f/f5<1??(1) ?0.

Abstract: A wide angle lens system, from an object side to an image plane side, includes: a first lens having a positive refractive power; a second lens having a positive refractive power and an exit surface that is convex toward the image plane side; a third lens having a negative refractive power and an exit surface that is concave toward the image plane side; a fourth lens having a positive refractive power and an exit surface that is convex toward the image plane side; a fifth lens having a negative refractive power and an exit surface that is concave toward the image plane side; and a sixth lens having a positive refractive power. The wide angle lens system satisfies the following formulas: 75<FOV<85 2.0<Fno<2.3 where FOV is a field of view of the wide angle lens system in degrees (°) and Fno is an F-number of the wide angle lens system.

Abstract: An optical imaging lens assembly that may have six lens components. The first, third, fourth, and fifth lens components may have positive refractive power. The second and sixth lens components may have negative refractive power. The lens assembly may satisfy the relation |f/f5|+|f/f6|<1.4, wherein f is a focal length of the optical imaging lens assembly, f5 is a focal length of the fifth lens component, f6 is a focal length of the sixth lens component. The lens assembly may also satisfy the further relation 0.8<|f/f5|+|f/f6|. The first lens component may include a wafer lens having a lens element molded on one or both surfaces of a planar substrate or two wafer lenses having a lens element molded on one surface of each of two planar substrates. The wafer lens may include an electrically controlled electrochromic surface having variable light transmittance.

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, a fifth lens element, and a sixth 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 fourth lens element has refractive power. The fifth lens element with refractive power has an object-side surface being concave in a paraxial region thereof. The sixth 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 photographing optical lens assembly has a total of six lens elements with refractive power.

Abstract: A camera lens is disclosed. The camera lens comprises, from an object side to an image side, a first lens with positive refractive power; a second lens with negative refractive power; a third lens with positive refractive power; a fourth lens with negative refractive power; a fifth lens with positive refractive power; and a sixth lens with negative refractive power. The camera lens satisfies specified conditions.

Abstract: An imaging optical 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, a fifth lens element and a sixth lens element. The first lens element has positive refractive power in a paraxial region thereof. The second lens element has negative refractive power in a paraxial region thereof. Both of the third and fourth lens elements have refractive power. The fifth lens element with refractive power 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 sixth 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 imaging optical system has a total of six lens elements with refractive power.

Abstract: An imaging lens is constituted by six lenses, including, in order from the object side to the image side: a positive first lens having a convex surface toward the object side; a negative second lens; a positive third lens, which is a meniscus lens having a convex surface toward the object side; a positive fourth lens; a negative fifth lens having a concave surface toward the object side; and a negative sixth lens, of which the image toward the image side is of an aspherical shape which is concave in the vicinity of the optical axis and convex at the peripheral portion thereof. Conditional formulae related to the focal length f of the entire lens system, the focal length f1 of the first lens, and the focal length f4 of the fourth lens is satisfied.

Abstract: A compact high-resolution imaging lens which provides a wide field of view of 80 degrees or more and corrects various aberrations properly. Designed for a solid-state image sensor, the imaging lens includes constituent lenses arranged in the following order from an object side to an image side: a first positive (refractive power) lens having a convex object-side surface; a second negative lens having a concave image-side surface; a third positive lens as a double-sided aspheric lens having a convex object-side surface; a fourth positive lens having a convex image-side surface; a fifth lens as a double-sided aspheric lens having a concave image-side surface; and a sixth negative lens having a concave image-side surface. The image-side surface of the sixth lens has an aspheric shape with a pole-change point in a position off an optical axis.

Abstract: An imaging lens is constituted essentially by six lenses, including, in order from the object side to the image side: a first lens having a positive refractive power and a convex surface toward the object side; a second lens having a negative refractive power; a third lens having a positive refractive power and is of a biconvex shape; a fourth lens having a positive refractive power; a fifth lens having a negative refractive power and a concave surface toward the object side; and a sixth lens having a negative refractive power, of which the surface toward the image side is of an aspherical shape which is concave in the vicinity of the optical axis and convex at the peripheral portion thereof. Predetermined conditional formulae are satisfied.

Abstract: An imaging lens substantially consists of six lenses consisting of, in order from the object side: a first lens having a biconvex shape; a second lens having a negative refractive power; a third lens having a positive refractive power; a fourth lens having a positive refractive power; a fifth lens having a negative refractive power and having a concave surface toward the object side; and a sixth lens having a negative refractive power and having a concave surface toward the object side.

Abstract: An imaging lens includes an aperture stop and first to sixth 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.