Abstract: A high-resolution imaging lens proofed against high-temperature instability includes a first lens with a negative power, a second lens with a negative power, a third lens with a positive power, a fourth lens with a negative power, a fifth lens with a positive power, and a sixth lens with a positive power. The first to the sixth lenses satisfy conditions of F1<0; 0.8>|F2/F6|>0.6, F2<0, F6>0; ?3>F4/F5>?2, and 2.0<F/#. Each of the first lens, the third lens, the fourth lens, and the fifth lens is made of glass, each of the second lens and the sixth lens is made of plastic.

Abstract: An optical imaging lens from an object side to an image side includes 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. A optical-axis region of the object-side surface of the first lens element is convex, a periphery region of the image-side surface of the first lens element is convex, an periphery region of the object-side surface of the second lens element is convex, an periphery region of the object-side surface of the third lens element is convex, an optical-axis region of the image-side surface of the fourth lens element is convex, the fifth lens element has positive refracting power and the sixth lens element has positive refracting power. Only the above-mentioned six lens elements of the optical imaging lens have refracting power.

Abstract: An optical imaging lens assembly from an object side to an image side along an optical axis sequentially includes: a first lens, having a positive refractive power, its object-side surface is convex and its image-side surface is concave; a second lens, having a refractive power, its object-side surface is convex and its image-side surface is concave; a third lens, having a refractive power; a fourth lens, having a refractive power and its object-side surface is concave; a fifth lens, having a positive refractive power, its object-side surface is concave and its image-side surface is convex; and a sixth lens, having a negative refractive power and its object-side surface is concave. A total effective focal length f of the optical imaging lens assembly and a radius of curvature R12 of an image-side surface of the sixth lens satisfy: 0?f/R12?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 and a sixth lens. The first lens has a refractive power, an object-side surface of the first lens is a concave surface, and an image-side surface of the first lens is a convex surface; the second lens has a positive refractive power; the third lens has a negative refractive power; the fourth lens has a refractive power; the fifth lens has a negative refractive power, and the sixth lens has a refractive power. An effective focal length f2 of the second lens and a radius of curvature R3 of an object-side surface of the second lens satisfy 1.5<f2/R3<2.

Abstract: An imaging optical system includes 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. Each of the six lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. At least one of the six lens elements is a freeform lens element, and at least one of the object-side surface and the image-side surface of the at least one freeform lens element is a freeform surface.

Abstract: The present invention provides a camera lens consisting of six lenses and having a small height, a wide angle, and good optical properties. The camera lens includes, from an object side, a first lens having a positive refractive power, a second lens having a negative refractive power, 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. The camera lens satisfies specific conditions.

Abstract: An imaging lens includes a first lens having negative refractive power; a second lens; a third lens; a fourth lens; a fifth lens; and a sixth lens, 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 image side has an aspheric shape. The fourth lens is formed in a shape so that a surface thereof on the image plane side has an aspheric shape. The fifth lens is formed in a shape so that a surface thereof on the image plane side is concave at a paraxial region thereof, and has an aspheric shape having an inflection point. The sixth lens has a specific Abbe's number ?6. The first lens and the fifth lens are disposed away from the second lens and the sixth lens, respectively, by specific distances.

Abstract: There is provided an imaging lens with high-resolution which realizes the low-profileness, wide field of view and low F-value well balance. An imaging lens comprising in order from an object side to an image side, a first lens having positive refractive power, a second lens having negative refractive power, a third lens being a double-sided aspheric lens, a fourth lens having a meniscus shape with a concave surface facing the object side near an optical axis, a fifth lens being a double-sided aspheric lens, and a sixth lens having the concave surface facing the image side near the optical axis, wherein the image-side surface of said sixth lens is an aspheric surface which changes to the convex surface at a peripheral portion, and a total track length is 6.0 mm or less and below conditional expressions (2) and (3) are satisfied: 20<?d3<32??(2) 20<?d5<32??(3) where ?d3: abbe number at d-ray of the third lens ?d5: abbe number at d-ray of the fifth lens.

Abstract: A fixed focal length lens system includes, in order from an object side to an image side, first lens element having negative power, second lens element having negative power, third lens element having positive power, fourth lens element having power, fifth lens element having power, and sixth lens element having positive power. The third lens element is a positive meniscus lens element having a convex surface on the image side. At least one of second to sixth lens elements is made of glass. The fixed focal length lens system satisfies condition (1) below: 0<(L1R2+L2R1)/(L1R2?L2R1)<100??(1) where L1R2 is a radius of curvature of an image-side surface of first lens element, and L2R1 is a radius of curvature of an object-side surface of second lens element.

Abstract: An optical lens assembly and an imaging device including the optical lens assembly are disclosed. The optical lens assembly may include, 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 may have a negative refractive power; the second lens may have a positive refractive power; the third lens may have a positive refractive power; the fourth lens may have a negative refractive power, an object-side surface thereof is a convex surface and an image-side surface thereof is a concave surface; the fifth lens may have a positive refractive power, and both of an object-side surface and an image-side surface thereof are convex surfaces; and the sixth lens may have a negative refractive power.

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 camera optical lens further satisfies following conditions: 1.10?f1/f?3.00; and 3.50?R7/d7?6.50; where f denotes a focal length of the optical camera lens; f1 denotes a focal length of the first lens; R7 denotes a curvature radius of an object side surface of the fourth lens and d7 denotes an on-axis thickness of the fourth lens. The camera optical lens can achieve a high performance while obtaining a low TTL.

Abstract: An optical imaging system includes a first lens including a negative refractive power and a convex object-side surface, and a second lens including a convex object-side surface and a convex image-side surface. The optical imaging system also includes a third lens including a negative refractive power and a convex object-side surface, a fourth lens including a convex image-side surface, a fifth lens, and a sixth lens including an inflection point formed on an image-side surface thereof. The first to sixth lenses are sequentially disposed in an optical-axis direction.

Abstract: This application relates to the field of optical imaging technologies, and discloses a lens system and an image photographing apparatus and device, so as to obtain a larger image on an imaging surface, thereby facilitating product miniaturization. The lens system includes a first lens, a second lens, a third lens, a fourth lens, and a fifth lens that are sequentially arranged in an optic axis direction from an object side to an image side, where the first lens has a positive refractive power, the second lens has a negative refractive power, the third lens has a negative refractive power, the fourth lens has a positive refractive power, and the fifth lens has a negative refractive power and has a convex image-side surface.

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 2.00?R3/R4?50.00. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.

Abstract: A camera lens assembly, sequentially from an object side to an image side along an optical axis, includes: a first lens having a negative refractive power; a second lens having a positive refractive power, an object-side surface thereof is a convex surface, and an image-side surface thereof is a concave surface; a third lens having a positive refractive power, and an object-side surface thereof is a convex surface; a fourth lens having a negative refractive power, and an image-side surface thereof is a concave surface; a fifth lens having a positive refractive power; and a sixth lens having a negative refractive power, and at least one of an object-side surface and an image-side surface thereof has an inflection point. Half of a maximal field-of-view HFOV of the camera lens assembly satisfies: HFOV?55°.

Abstract: An optical imaging lens includes first, second, third, fourth, fifth and sixth lens elements arranged in order from the object side to the image side along an optical axis. The first lens element has negative refractive power. The object-side surface of the fourth lens element has a convex part in a vicinity of a periphery of the fourth lens element. The image-side surface of the sixth lens element has a convex part in a vicinity of a periphery of the sixth lens element. The effective focal length of the optical imaging lens is EFL, and a sum of all air gaps from the first lens element to the sixth lens element along the optical axis is AAG, and EFL and AAG satisfy 0.9?EFL/AAG?2.6.

Abstract: A lens module includes a first lens having a negative refractive power, a second lens having a positive 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 an imaging surface, arranged in that sequence from an object side to an image side. The lens module uses infrared light which has a wavelength ranging from 920 to 970 nm, the lens module satisfies the following conditions: 0.0002<|1/F1|<0.01; D/TTL>1.1; CT4/ET4<1.8; F1 denotes a focal length of the first lens, D denotes a diameter of a largest imaging circle of the lens module, TTL denotes a distance between an object side surface of the first lens to the imaging surface, CT4 denotes a central thickness of the fourth lens, ET4 denotes an edge thickness of the fourth lens.

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 having a positive refractive power; a second lens having a positive refractive power; a third lens having a positive refractive power; a fourth lens; a fifth lens; and a sixth lens. The camera optical lens satisfies following conditions: 2.00?f2/f3?5.00; and 1.00?d3/d5?2.00. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.

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, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The camera optical lens further satisfies following conditions: ?5.00f1/f3?1.10; ?10.00 R5/R6?1.00; where f3 denotes a focal length of the third lens; f1 denotes a focal length of the first lens; R5 denotes a curvature radius of an object side surface of the third lens; and R6 denotes a curvature radius of an image side surface of the third lens. The camera optical lens can achieve a high performance while obtaining a low TTL.

Abstract: An optical image lens assembly includes six lens elements which are, in order from an object side to an image side along an optical path: 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 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. At least one of the object-side surface and the image-side surface of at least one lens element of the optical image lens assembly has at least one inflection point. A thickness along an optical axis of the first lens element is a maximum value among thicknesses along the optical axis of all lens elements of the optical image lens assembly.

Abstract: The present disclosure provides a camera lens which has good optical properties and a narrow angle, and includes five lenses. The camera lens includes, from an object side, a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a positive refractive power, a fourth lens having a positive refractive power, and a fifth lens having a positive refractive power. The camera lens satisfies specified relational expressions.

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 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: 2.00R3/R45.00; 1.50R1/d13.00; 0.30R2/R32.00; and 1.02n2/n31.20. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.

Abstract: The present invention discloses a camera optical lens. The camera optical lens includes, 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 second lens has a negative refractive power, and the third lens has a positive refractive power. The camera optical lens further satisfies the specific conditions: 0.80?f1/f?5.00 and ?11.00?R5/d5??8.00. The camera optical lens can achieve a high performance while obtaining a low TTL.

Abstract: An imaging optical 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 negative refractive power. 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 positive refractive power. The fourth lens element has positive refractive power. The fifth lens element has negative refractive power. The sixth lens element has positive refractive power. The imaging optical lens system has a total of six lens elements.

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 positive refractive power; a fourth lens; a fifth lens; and a sixth lens. The camera optical lens satisfies following conditions: 3.50?f1/f?7.00; and ?30.00?R9/d9??10.00. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.

Abstract: The present disclosure discloses an imaging lens assembly, along an optical axis from an object side to an imaging side including sequentially a first lens assembly and a second lens assembly. The first lens assembly has a positive refractive power and along the optical axis from the object side to the imaging side includes sequentially: a first lens, having a positive refractive power and its object-side surface is convex; a second lens, having a negative refractive power; and a third lens, having a positive refractive power or a negative refractive power. The second lens assembly has a negative refractive power and along the optical axis from the object side to the imaging side sequentially includes: a fourth lens, having a negative refractive power; and a fifth lens, having a positive refractive power or a negative refractive power and its object-side surface is convex at a paraxial position.

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, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The camera optical lens further satisfies following conditions: ?10.00f1/f3?1.00; 3.50R5/R620.00; where f3 denotes a focal length of the third lens; f1 denotes a focal length of the first lens; R5 denotes a curvature radius of an object side surface of the third lens; and R6 denotes a curvature radius of an image side surface of the third lens. The camera optical lens can achieve a high performance while obtaining a low TTL.

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 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 following conditions: ?10.00?f1/f3??1.00; 3.00?R5/R6?20.00; and 100?(R3+R4)/(R3?R4). The camera optical lens can achieve a high imaging performance while obtaining a low TTL.

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 having a positive refractive power, a third lens having a negative refractive power, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of plastic material, the second lens is made of plastic 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 glass material. The camera optical lens further satisfies specific conditions.

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 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: 3.00?f2/f3?4.00; and 3.00?d1/d3?5.00. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.

Abstract: The present invention discloses a camera optical lens. The camera optical lens includes, in an order from an object side to an image side, a first lens with a positive refractive power, a second lens with a negative refractive power, a third lens with a positive refractive power, a fourth lens with a negative refractive power, a fifth lens with a positive refractive power, and a sixth lens with a negative refractive power. The camera optical lens further satisfies the following specific conditions: 3.00d1/d34.00, 1.50R1/d15.00, ?30.00R9/R10?8.00, and ?10.00R12/R11?0.50. The camera optical lens can achieve a high performance while obtaining a low TTL.

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 positive refractive power; a fourth lens; a fifth lens; and a sixth lens. The camera optical lens satisfies following conditions: 1.50?f1/f?5.00; and 20.00?R3/d3?42.01. The camera optical lens can achieve a high imaging performance while satisfying a design requirement for ultra-thin, wide-angle camera lenses with large apertures.

Abstract: A photographing lens assembly includes, in order from an object side to an image side: a first, a second, a third, a fourth, a fifth and a sixth lens elements. The first lens element with negative refractive power has an object-side surface being concave in a paraxial region thereof, wherein the object-side surface has at least one convex critical point in an off-axis region thereof. The third lens element has an image-side surface being convex in a paraxial region thereof. The fourth lens element has positive refractive power. 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 convex in a paraxial region thereof. The sixth lens element has an image-side surface being concave in a paraxial region thereof, wherein the image-side surface has at least one convex critical point in an off-axis region thereof.

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. The camera optical lens includes, 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 second lens has a negative refractive power and the third lends has a positive refractive power. The camera optical lens further satisfies the following specific conditions: 2.00?f1/f3?5.00 and ?16.00?R5/R6??10.00. The optical lens can achieve an excellent imaging performance and satisfy the design demands of ultra-thin, wide-angle and large aperture.

Abstract: The present disclosure relates to an optical lens, in particular to a camera optical lens. The camera optical lens includes, from an object side to an image side in sequence: a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens, the second lens has a positive refractive power, and the third lens has a negative refractive power, and the camera optical lens satisfies the following conditions: ?5.00?f1/f3??1.00, and 5.00?R5/R6?7.00, where f1 denotes a focal length of the first lens, f3 denotes a focal length of the third lens, R5 denotes a curvature radius of an object-side surface of the third lens, R6 denotes a curvature radius of an image-side surface of the third lens. The camera optical lens can obtain high imaging performance and a low TTL.

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 following conditions: ?20.00?f2/f3??10.00 and 0.50?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 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 positive refractive power; a fourth lens; a fifth lens; and a sixth lens. The camera optical lens satisfies following conditions: ?5.00?f2/f3??2.00; and 1.50?d3/d5?5.00. The camera optical lens can achieve a high optical imaging performance while satisfying a design requirement for ultra-thin, wide-angle camera lenses with large apertures.

Abstract: The present invention discloses a wide angle lens. The wide angle lens comprises, from an object side in sequence: a first lens with a positive refractive power, a second lens with a negative refractive power, a third lens with a positive refractive power, a fourth lens with a negative refractive power, a fifth lens with a positive refractive power, and a sixth lens with a negative refractive power. The wide angel lens further satisfies specific conditions: 0.80f1/f1.50, ?0.50f2/f3?0.05, 1.15d1/d91.40 and T56min/d110.50. The wide angle lens can achieve a high performance while obtaining a low TTL.

Abstract: The present invention relates to a high resolution optical system. The optical system of the present invention includes, sequentially from an object side, a first lens having a positive refractive power and an object-side surface convex toward the object side; a second lens having a negative refractive power and an upwardly concave upper surface; 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 an upwardly convex upper surface; and a six lens having a negative refractive power and an upwardly concave upper surface.

Abstract: An optical imaging lens includes six lens elements disposed sequentially from an object side to an image side. The image-side surface of the first lens element includes a concave portion in a vicinity of an optical axis. The fifth lens element has negative refractive power and the image-side surface of the fifth lens element includes a convex portion in a vicinity of the optical axis. The image-side surface of the sixth lens element includes a concave portion in a vicinity of the optical axis. The optical imaging lens as a whole has only the six lens elements having refractive power.

Abstract: There is provided an imaging lens with excellent optical characteristics which satisfies demand of wide field of view, low-profileness and low F-number in well balance. An imaging lens comprises in order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens having a concave surface facing the object side near an optical axis, a fifth lens, and a sixth lens having the concave surface facing the image side near the optical axis and negative refractive power, wherein said second lens has a convex surface facing the object side near the optical axis, composite refractive power of said second lens, said third lens and said fourth lens is negative, and below conditional expressions (1) and (2) are satisfied: 0.85<vd1/(vd2+vd3)<1.95??(1) 0.15<vd5/vd6<0.

Abstract: A four-piece infrared single wavelength lens system includes, in order from the object side to the image side: a stop, a first lens element with a refractive power having an object-side surface being convex near an optical axis, a second lens element with a positive refractive power, a third lens element with a positive refractive power having an object-side surface being concave near the optical axis and an image-side surface being convex near the optical axis, a fourth lens element with a negative refractive power having an object-side surface being convex near the optical axis and an image-side surface being concave near the optical axis. Such arrangements can provide a four-piece infrared single wavelength lens system which has a wide field of view, large stop, short length and less distortion.

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: an aperture; a first lens having a positive refractive power; a second lens having a negative refractive power; 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. The camera optical lens satisfies following conditions: ?9.00?f2/f??6.00; 9.00?f2/f4?13.00; 11.00?(R3+R4)/(R3?R4)?20.00; and 0.02?R7/R8?0.30.

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 positive refractive power; a third lens having a positive refractive power; a fourth lens; a fifth lens; and a sixth lens. The camera optical lens satisfies following conditions: 3.00?f1/f2?6.00; and ?7.00?(R1+R2)/(R1?R2)??1.00. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.

Abstract: A photographing optical lens system includes 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 second lens element has negative refractive power. The third lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof. The fifth lens element has an image-side surface being concave in a paraxial region thereof. The sixth lens element has positive refractive power.

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 refractive power. Each of the third through sixth lens elements has refractive power and an object-side surface and an image-side surface being both aspheric. The photographing optical lens assembly has a total of six lens elements with refractive power.

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

Abstract: The present disclosure relates to optical lens, in particular to a camera optical lens, comprising, from an object side to an image side in sequence: a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens; the second lens has a negative refractive power, and the third lens has a positive refractive power; wherein the camera optical lens satisfies the following conditions: 1.30?f1/f?2.00; 13.00?R7/d7?16.00, where, f denotes a focus length of the camera optical lens; f1 denotes a focus length of the first lens; R7 denotes a curvature radius of an object side surface of the fourth lens; and d7 denotes an on-axis thickness of the fourth lens. The camera optical lens may obtain high imaging performance and a low TTL.

Abstract: The present disclosure relates to optical lens, in particular to a camera optical lens, comprising, from an object side to an image side in sequence: a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens; the second lens has a negative refractive power, and the third lens has a positive refractive power; wherein the camera optical lens satisfies the following conditions: 1.30?f1/f?2.00; 13.00?R7/d7?16.00, where f denotes a focus length of the camera optical lens; f1 denotes a focus length of the first lens; R7 denotes a curvature radius of an object side surface of the fourth lens; and d7 denotes an on-axis thickness of the fourth lens is d7. The camera optical lens may obtain high imaging performance and a low TTL.