Abstract: An optical path folding element includes a main body, a light absorption film layer and a matte structure. The main body has optical surface including an incident surface, a reflective surface and an emitting surface. A light enters into the optical folding element through the incident surface. The reflective surface reflects the light so as to change a traveling direction thereof. The light exits the optical folding element through the emitting surface. The light absorbing film layer is configured to reduce reflectance and provided adjacent to at least part of the optical surface, and the light absorbing film layer is in physical contact with the main body. The matte structure is disposed adjacent to at least part of the optical surface. The matte structure provides an undulating profile on a surface of the optical path folding element, and the matte structure is formed in one-piece with the main body.

Abstract: An imaging optical lens assembly includes four 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 and a fourth lens element. Each of the four 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 all lens surfaces of the four lens elements is aspheric and has at least one inflection point.

Abstract: An optical imaging lens assembly 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. The second lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof. The fifth lens element has negative refractive power. The sixth lens element has positive refractive power.

Abstract: An image capturing 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 negative refractive power has an image-side surface being concave in a paraxial region thereof. The second and third lens elements have refractive power. 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. The sixth lens element with 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 lens assembly has a total of six lens elements with refractive power.

Abstract: An image lens assembly includes, in order from an object side to an image side along an optical path, a first lens group, a second lens group, a third lens group and a fourth lens group. A total number of lens elements in the image lens assembly is seven. The first lens group includes a first lens element with positive refractive power and a second lens element with negative refractive power. Each of the second lens group and the third lens group includes at least one lens element. The fourth lens group includes a seventh lens element. When the image lens assembly is focusing or zooming, a relative position between the first lens group and an image surface is fixed, a relative position between the fourth lens group and the image surface is fixed, and the second lens group and the third lens group move along the optical axis.

Abstract: An imaging lens assembly 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. The second lens element has positive 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 with negative refractive power has an image-side surface being concave in a paraxial region thereof. The image-side surface of the fifth lens element has at least one inflection point.

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: An imaging system 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 and a fourth lens element. Each of the four lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. The second lens element has positive refractive power. The object-side surface of the third lens element is convex in a paraxial region thereof.

Abstract: An imaging lens assembly module has an optical axis, and includes an optical element set, a light blocking element assembling surface, and a light absorbing layer. The optical element set includes an optical lens element and a light blocking sheet. The optical lens element is a plastic lens element, and includes an optical effective portion and an outer peripheral portion. The light blocking sheet is disposed on the outer peripheral portion, and spaced apart from the outer peripheral portion. The light blocking sheet includes an object-side surface, an image-side surface and an inner opening surface. The inner opening surface surrounds a through hole of the light blocking sheet. The light blocking sheet is disposed on the light blocking element assembling surface. The light absorbing layer is disposed on the image-side surface and for fixing the light blocking sheet on the light blocking element assembling surface.

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: A photographing optical lens assembly includes eight 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, a sixth lens element, a seventh lens element and an eighth lens element. Each of the eight lens elements has an object-side surface towards the object side and an image-side surface towards the image side. The first lens element has positive refractive power. The object-side surface of the fifth lens element is concave in a paraxial region thereof. The image-side surface of the sixth lens element is concave in a paraxial region thereof. The object-side surface of the seventh lens element is convex in a paraxial region thereof. The image-side surface of the eighth lens element is concave in a paraxial region thereof.

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

Abstract: An image system lens assembly includes three lens groups including five lens elements. The three lens groups are, in order from an object side to an image side: first, second and third lens groups. The five lens elements are, in order from the object side to the image side: first, second, third, fourth and fifth lens elements. A zooming process is performed by changing axial distances between the three lens groups. The image system lens assembly has a long focal length end and a short focal length end. At least one surface of at least one lens element has an inflection point in an optically effective area thereof when the image system lens assembly is at the long focal length end and the short focal length end. The second lens group is moved relative to the first lens group along an optical axis in the zooming process.

Abstract: An imaging optical lens assembly includes nine 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, a sixth lens element, a seventh lens element, an eighth lens element and a ninth lens element. The first lens element has positive refractive power. The eighth lens element with positive refractive power has an image-side surface being convex in a paraxial region thereof. The ninth lens element has an image-side surface being concave in a paraxial region thereof, and the image-side surface of the ninth lens element has at least one convex critical point in an off-axis region thereof.

Abstract: A variable aperture module includes a blade assembly, a positioning element, a driving part and pressing structures. The blade assembly includes movable blades disposed around an optical axis to form a light passable hole with an adjustable size. Each movable blade has a positioning hole and a movement hole adjacent thereto. The positioning element includes positioning structures disposed respectively corresponding to the positioning holes. The driving part includes a rotation element disposed corresponding to the movement holes and is rotatable with respect to the positioning element. The pressing structures are disposed respectively corresponding to the movable blades. Each pressing structure is at least disposed into at least one of the positioning hole and the movement hole of the corresponding movable blade. Each pressing structure at least presses against at least one of the corresponding one positioning structure and the rotation element.

Abstract: An optical photographing lens assembly includes nine 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, a sixth lens element, a seventh lens element, an eighth lens element and a ninth lens element. Each of the nine 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 lens element of the optical photographing lens assembly has at least one aspheric lens surface having at least one inflection point.

Abstract: An image capturing unit includes an imaging element and a dual-shot injection-molded optical folding element that are adjacent to each other. The imaging element is configured for an imaging light to pass through. The dual-shot injection-molded optical folding element includes a first part and a second part. The first part is made of transparent material. The first part has a reflective surface configured to reflect the imaging light. The second part is made of opaque material, and the second part is fixed at periphery of the first part. The second part includes a supporting portion configured to support the dual-shot injection-molded optical folding element. The supporting portion maintains the dual-shot injection-molded optical folding element at a predetermined position corresponding to the imaging element through mechanism assembly.

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, a sixth lens element and a seventh lens element. The first lens element with refractive power has an object-side surface being convex in a paraxial region thereof. Each second, third, fourth and fifth lens element has refractive power. The sixth 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, and both of the surfaces of the sixth lens element are aspheric. The seventh lens element with refractive power has an image-side surface being concave in a paraxial region thereof, wherein the image-side surface has at least one convex shape in an off-axis region thereof.

Abstract: A lens system includes four 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 and a fourth lens element. Each of the four 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 object-side surface and the image-side surface of the first lens element has at least one inflection point. The fourth lens element has positive refractive power, the object-side surface of the fourth lens element is convex in a paraxial region thereof, and at least one of the object-side surface and the image-side surface of the fourth lens element has at least one inflection point.