Abstract: An optical imaging lens includes, sequentially from an object side to an image side along an optical axis, a first to seventh lens elements each having an object-side surface and an image-side surface. The optical imaging lens satisfies EFL/(G12+G67)?5.600, wherein EFL is an effective focal length of the optical imaging lens, G12 is an air gap from the first lens element to the second lens element along the optical axis, and G67 is an air gap from the sixth lens element to the seventh lens element along the optical axis.

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

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 convex or concave shape of surfaces of the lens elements and satisfying at least one inequality, the optical imaging lens may shorten system length with a good imaging quality.

Abstract: An optical imaging lens includes a first lens element to a seventh lens element. An optical-axis region of the object-side surface of the second lens element is convex, a periphery region of the image-side surface of the second lens element is concave, an optical-axis region of the image-side surface of the third lens element is convex, a periphery region of the object-side surface of the fifth lens element is concave, a periphery region of the object-side surface of the sixth lens element is concave, the lens elements included by the optical imaging lens are only the seven lens elements described above, and the optical imaging lens satisfies the relationship: (T2+T6)/T7?2.200.

Abstract: An optical imaging lens includes a first lens element to a fourth lens element, and each lens element has an object-side surface and an image-side surface. The first lens element has negative refracting power, an optical axis region of the object-side surface of the first lens element is convex, the third lens element has negative refracting power, and an optical axis region of the image-side surface of the fourth lens element is convex. Lens elements included by the optical imaging lens are only the four lens elements described above, and the optical imaging lens satisfies the relationship of Tmax+Tmin?700.000 ?m, Tmax is a maximum thickness of the four lens elements from the first lens element to the fourth lens element along the optical axis, Tmin is a minimum thickness of the four lens elements from the first lens element to the fourth lens element along the optical axis.

Abstract: An optical imaging lens includes a first lens element to a seventh lens element, and each lens element has an object-side surface and an image-side surface. The second lens element has negative refracting power, an optical axis region of the object-side surface of the fifth lens element is concave, and an optical axis region of the object-side surface of the seventh lens element is convex. Lens elements included by the optical imaging lens are only the seven lens elements described above, and the following relationships: V5+V6+V7?140.000, (ImgH+D61t72)/D11t42?2.400, V4?30.000 are satisfied.

Abstract: A zoom lens sequentially includes a first lens group, a second lens group and a third lens group along an optical axis from an object side to an image side. The zoom lens at least has a wide-angle state and a telephoto state, the second lens group has positive refracting power, and the zoom lens has only the above three lens groups and satisfies the following relationships: TTL*(Fnow+Fnot)/fw?20.000, (ft+fw)/ImgH?9.000 and ft/fw?1.600. TTL is a system length of the zoom lens, Fnow is an f-number of the zoom lens in the wide-angle state, Fnot is an f-number of the zoom lens in the telephoto state, fw is an effective focal length of the zoom lens in the wide-angle state, ft is an effective focal length of the zoom lens in the telephoto state, and ImgH is a maximum image height of the zoom lens.

Abstract: An optical imaging lens includes a lens barrel, a plurality of lens elements, and a light-shielding element. The lens barrel has a mounting portion. Each of the lens elements has an object-side mechanic surface facing an object side and an image-side mechanic surface facing an image side. The optical imaging lens satisfies the following conditional expression: T1?180 ?m and at least one of the following conditional expressions: T3?255 ?m and ?200 ?m<RA1?RA2?450 ?m. T1 is a maximum thickness of the light-shielding element in a direction parallel to the optical axis. T3 is a maximum thickness of an optical element closest to the carrying surface in a direction parallel to the optical axis. The mounting portion can carry the light-shielding element and has a carrying surface facing the image side.

Abstract: An optical imaging lens may include eight lens elements positioned in an order from an object side to an image side. Through designing concave and/or convex surfaces of the eight lens elements, the optical imaging lens may provide improved imaging quality and optical characteristics while the total length of the optical imaging lens may be shortened.

Abstract: An optical imaging lens includes a first lens element to an eighth lens element and each lens element has an object-side surface and an image-side surface. The second lens element has negative refracting power, a periphery region of the image-side surface of the third lens element is convex, an optical axis region of the object-side surface of the fourth lens element is concave, an optical axis region of the object-side surface of the fifth lens element is concave, the sixth lens element has positive refracting power, an optical axis region of the object-side surface of the sixth lens element is concave, an optical axis region of the object-side surface of the seventh lens element is convex, and a periphery region of the object-side surface of the eighth lens element is convex. Lens elements included by the optical imaging lens are only eight lens elements described above to satisfy ImgH/(Fno*(T2+T3))?3.200.

Abstract: An optical imaging lens includes first to seventh lens elements sequentially arranged along an optical axis from an object side to an image side, and each including an object-side surface facing toward the object side and allowing an imaging ray to pass through and an image-side surface facing toward the image side and allowing the imaging ray to pass through. The first lens element has positive refracting power. The fourth lens element has positive refracting power. A periphery region of the object-side surface of the fourth lens element is convex. An optical axis region of the object-side surface of the sixth lens element is convex. An optical axis region of the image-side surface of the sixth lens element is concave. An optical axis region of the object-side of the seventh lens element is concave. Lens elements of the optical imaging lens are only the seven lens elements described above.

Abstract: An optical element for multiple reflections of stray light includes a plurality of microstructures configured around a central axis of the optical element. Each of the microstructures includes a first reflective surface and a second reflective surface which are in contact, and has a connection line, which is a boundary line between the first reflective surface and the second reflective surface. An extension line of the connection line passes through the central axis, where the plurality of microstructures are arranged in a plurality of rings adjacent to each other, and the plurality of microstructures of two adjacent rings in the rings are alternately arranged with each other.

Abstract: An optical imaging lens sequentially including a first lens element to a ninth lens element arranged in sequence from an object side to an image side along an optical axis is provided. Each of the first lens element to the ninth lens element includes an object-side surface facing the object-side surface and allowing imaging rays to pass through and an image-side surface facing the image-side and allowing the imaging rays to pass through. Lens elements of the optical imaging lens are only the nine lens elements described above, wherein an periphery region of the image-side surface of the first lens element is concave, an optical axis region of the object-side surface of the ninth lens element is concave, and a thickness of the first lens element on the optical axis is greater than a thickness of the eighth lens element on the optical axis.

Abstract: An optical imaging lens includes a first lens element to a sixth lens element from an object side to an image side along an optical axis. The first lens element has negative refracting power, the second lens element has negative refracting power and a periphery region of the object-side surface of the second lens element is convex, a periphery region of the image-side surface of the third lens element is concave, a periphery region of the object-side surface of the fifth lens element is concave and a periphery region of the image-side surface of the fifth lens element is concave. Lens elements included by the optical imaging lens are only six lens elements described above. AAG is a sum of five air gaps from the first lens element to the sixth lens element along the optical axis, and EFL is an effective focal length to satisfy AAG/EFL?2.700.

Abstract: An optical imaging lens, sequentially including a first, second, third, fourth, fifth, sixth, seventh, eighth, and ninth lens elements along an optical axis from an object side to an image side, is provided. Each of the first to ninth lens elements includes an object-side surface facing the object side and allowing imaging rays to pass through, and an image-side surface facing the image side and allowing the imaging rays to pass through. The first lens element has positive refracting power, and a periphery region of the image-side surface is concave. An optical axis region of the object-side surface of the second lens element is convex. An optical axis region of the image-side surface of the ninth lens element is concave. Lens elements of the optical imaging lens are only the nine lens elements, and the optical imaging lens satisfies the following conditional expressions: V1+V2?80.000 and V3+V7?50.000.

Abstract: An optical lens including a light-shielding sheet and a spacer sequentially arranged along an optical axis from a first side to a second side is provided. No other element is disposed between the light-shielding sheet and the spacer. A second side surface of the light-shielding sheet includes a first surface. A first side surface of the spacer includes an abutting surface and a connecting surface connected to each other, and the connecting surface has a protrusion portion. A cross-sectional line of the abutting surface of the spacer in a radial direction is a straight line and abuts against the first surface of the light-shielding sheet, and an abutment between the abutting surface and the first surface falls on a first reference plane. The light-shielding sheet and a most protruding portion of the protrusion portion are located on a same side of the first reference plane.

Abstract: An optical imaging lens includes a first lens element to a fifth lens element from an object side to an image side along an optical axis. An optical axis region of the object-side surface of the second lens element is concave, the third lens element has negative refracting power and an optical axis region of the image-side surface of the third lens element is convex, an optical axis region of the object-side surface of the fourth lens element is convex and a periphery region of the object-side surface of the fifth lens element is convex. Lens elements included by the optical imaging lens are only five lens elements described above. TTL is a distance from the object-side surface of the first lens element to an image plane along the optical axis and T1 is a thickness of the first lens element along the optical axis to satisfy TTL/T1?5.600.

Abstract: An optical imaging lens is provided. The optical imaging lens includes 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 sequentially arranged along an optical axis from an object side to an image side. Each of the first lens element to the eighth lens element comprises an object-side surface facing the object side and allowing imaging rays to pass through and an image-side surface facing the image side and allowing the imaging rays to pass through. The second lens element has negative refracting power. The fifth lens element has positive refracting power. An optical axis region of the image-side surface of the seventh lens element is convex. Lens elements of the optical imaging lens are only the eight lens elements described above.

Abstract: An optical-lens-set includes a first lens element of a concave image-side surface near its optical-axis, a sixth lens element of negative refractive power and of a concave image-side surface near its optical-axis to go with a fifth lens element of a concave object-side surface near its optical-axis or with a seventh lens element of negative refractive power. The Abbe number v1 of the first lens element, the Abbe number v3 of the third lens element, the Abbe number v4 of the fourth lens element, the Abbe number v5 of the fifth lens element, the Abbe number v6 of the sixth lens element and the Abbe number v7 of the seventh lens element together satisfy 5?5v1?(v3+v4+v5+v6+v7).

Abstract: An optical imaging lens includes a first lens element, a second lens, an aperture stop, a third lens element and a fourth lens element from an object side to an image side in order along an optical axis, and each lens element has an object-side surface and an image-side surface. An optical axis of the image-side surface of the first lens element is convex and an optical axis of the image-side surface of the fourth lens element is concave. HFOV stands for the half field of view of the entire optical imaging lens and TTL is a distance from the object-side surface of the first lens element to an image plane along the optical axis to satisfy HFOV/TTL?1.500°/mm.