Abstract: An optical imaging lens includes a first lens element to a fifth lens element, and each lens element has an object-side surface and an image-side surface. An optical axis region of the image-side surface of the first lens element is concave, the second lens element has negative refracting power, a periphery region of the image-side surface of the second lens element is convex, the fourth lens element has positive refracting power, and an optical axis region of the object-side surface of the fifth lens element is convex. Lens elements included by the optical imaging lens are only the five lens elements described above, and the optical imaging lens satisfies the relationship of TTL/Fno?6.000 mm, TTL is the distance from the object-side surface of the first lens element to an image plane along the optical axis, and Fno is a f-number of the optical imaging lens.

Abstract: An optical imaging lens from an object side to an image side includes a first lens element to a sixth lens element. The first lens element has negative refracting power, a periphery region of the object-side surface of the first lens element is convex, the second lens element has positive refracting power, an optical-axis region of the image-side surface of the second lens element is convex, an optical-axis region of the object-side surface of the third lens element is convex, an optical-axis region of the image-side surface of the third lens element is convex. Only the above-mentioned six lens elements have refracting power. AAGF is a distance from the object-side surface of the first lens element to the object-side surface of the second lens element along the optical axis and T6 is a thickness of the sixth lens element along the optical axis to satisfy AAGF/T6?2.000.

Abstract: An optical imaging lens, including a first lens element and a second lens element arranged in sequence from an object side to an image side along an optical axis. Each of the first lens element and the second lens element 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. An optical axis region of the image-side surface of the second lens element is concave, and a periphery region of the image-side surface of the second lens element is convex.

Abstract: An optical imaging lens may include a first, a second, a third, a fourth, a fifth, a sixth, and a seventh lens elements positioned in an order from an object side to an image side. Through designing concave and/or convex surfaces of lens elements, the optical imaging lens may provide great resolution along with enlarged aperture stop and image height.

Abstract: An optical imaging lens includes first to third lens element groups in sequence along an optical axis from an object side to an image side. The first lens element group includes at least two lens elements. The second lens element group includes at least two lens elements. The third lens element group includes at least two lens elements. When the optical imaging lens is zoomed, at least one lens element group is moved toward a direction of the object side or the image side along the optical axis.

Abstract: Disclosed is an optical imaging lens including a first lens element, a second lens element, a third lens element and a fourth lens element arranged in a sequence from an object side to an image side along an optical axis. Refracting power of the second lens element is positive. An image side surface of the Nth lens element counted from the object side to the image side along the optical axis is cemented to an object side surface of the N+1th lens element counted from the object side to the image side along the optical axis, and N is a positive integer greater than or equal to 1 and less than or equal to 3. The optical imaging lens satisfies: EFL/Fno?2.200 mm, wherein EFL is an effective focal length of the optical imaging lens, and Fno is a f-number of the optical imaging lens.

Abstract: An optical imaging lens including a first lens element to an eighth lens element arranged in sequence from an object side to an image side along an optical axis is provided. A 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 fourth lens element is convex. The sixth lens element has positive refracting power. An optical axis region of the object-side surface of the seventh lens element is convex, and an optical axis region of the image-side surface of the seventh lens element is concave.

Abstract: The present invention provides an optical imaging lens. The optical imaging lens comprises five 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 and satisfying inequalities, the optical imaging lens may be provided with smaller volume and great field of view.

Abstract: An optical imaging lens may include 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 positioned in an order from an object side to an image side. Through designing concave and/or convex surfaces of the lens elements, the optical imaging lens may provide slim and compact appearance, small fno and great image height along with well image quality.

Abstract: An optical imaging lens sequentially includes a first lens element, a second lens element, a third lens element, and a fourth lens element along an optical axis from an object side to an image side. Each of the first lens element to the fourth lens element 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 negative refracting power, and a periphery region of the object-side surface of the first lens element is convex. At least one of an optical axis region of the object-side surface of the second lens element and an optical axis region of the image-side surface of the second lens element is plane. The third lens element has negative refracting power or the fourth lens element has positive refracting power.

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 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: 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: 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.