Abstract: An optical imaging lens comprises first, second, third, fourth, fifth and sixth lens elements arranged sequentially from an object side to an image side along an optical axis. Each of the lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. The object-side surface of the first lens element has a convex portion in the vicinity of the optical axis. The third lens element has positive refracting power. The object-side surface of the third lens element has a concave portion in the vicinity of the optical axis. The object-side surface of the fourth lens element has a concave portion in the vicinity of the optical axis. The object-side surface of the fifth lens element has a concave portion in the vicinity of its periphery.

Abstract: An optical imaging lens may include a first, a second, a third and a fourth lens elements positioned in an order from an object side to an image side. Through designing concave and/or convex surfaces of the four lens elements, the optical imaging lens may provide improved imaging quality and optical characteristics, shortened length, increased effective focal length and lowered f-number while the optical imaging lens may satisfy HFOV*Fno/EFL?2.400, wherein a half field of view of the optical imaging lens is represented by HFOV, a f-number of the optical imaging lens is represented by Fno, and an effective focal length of the optical imaging lens is represented by EFL.

Abstract: An optical imaging lens includes a first lens element, a second lens element, a third lens element and a fourth lens element. The first lens element has negative refracting power, the periphery region of the object-side surface of the second lens element is concave and the optical-axis region of the object-side surface of the third lens element is concave. The Abbe number of the first lens element is ?1, the Abbe number of the second lens element is ?2, the Abbe number of the third lens element is ?3 and the Abbe number of the fourth lens element is ?4 to satisfy ?1+?2+?3+?4?150.000.

Abstract: Present embodiments provide for an optical imaging lens. 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 a eighth lens element positioned sequentially from an object side to an image side. Through arrangement of convex or concave surfaces of the eight lens elements, the length of the optical imaging lens may be shortened while providing better optical characteristics and imaging quality.

Abstract: Present embodiments provide for optical imaging lenses. An optical imaging lens may include at least seven lens elements positioned sequentially from an object side to an image side. Through arrangement of the convex or concave surfaces of the lens elements, the length of the optical imaging lens may be shortened while providing better optical characteristics and imaging quality.

Abstract: An optical imaging lens includes a first lens element, a second lens element, a third lens element and a fourth lens element. The first lens element has negative refracting power, the periphery region of the object-side surface of the second lens element is concave and the optical-axis region of the object-side surface of the third lens element is concave. The Abbe number of the first lens element is ?1, the Abbe number of the second lens element is ?2, the Abbe number of the third lens element is ?3 and the Abbe number of the fourth lens element is ?4 to satisfy ?1+?2+?3+?4?150.000.

Abstract: An optical imaging lens may include a first, a second, a third, a fourth, a fifth and a sixth lens elements positioned in an order from an object side to an image side. Through designing concave and/or convex surfaces of the six lens elements, the optical imaging lens may provide improved imaging quality and optical characteristics, thermal stability and increased field of view while the optical imaging lens may satisfy (G12+G56)/(G23+T3+G34)?2.500, wherein an air gap between the first lens element and the second lens element along the optical axis is represented by G12, an air gap between the second lens element and the third lens element along the optical axis is represented by G23, an air gap between the third lens element and the fourth lens element along the optical axis is represented by G34, an air gap between the fifth lens element and the sixth lens element along the optical axis is represented by G56, and a thickness of the third lens element along the optical axis is represented by T3.

Abstract: An optical imaging lens includes first, second, third, fourth, fifth, and sixth lens elements, each having an object-side surface facing toward an object side and an image-side surface facing toward an image side. The image-side surface of the first lens element includes a concave portion in a vicinity of the optical axis and a concave portion in a vicinity of a periphery of the first lens element. The image-side surface of the second lens element includes a convex portion in a vicinity of the optical axis. The image-side surface of the third lens element includes a concave portion in a vicinity of a periphery of the third lens element. The object-side surface of the fourth 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: Present embodiments provide for optical imaging lenses. An optical imaging lens may include at least seven lens elements positioned sequentially from an object side to an image side. Through arrangement of the convex or concave surfaces of the lens elements, the length of the optical imaging lens may be shortened while providing better optical characteristics and imaging quality.

Abstract: An optical imaging lens includes a first lens element, a second lens element, a third lens element and a fourth lens element. The first lens element has negative refracting power, the periphery region of the object-side surface of the second lens element is concave and the optical-axis region of the object-side surface of the third lens element is concave. The Abbe number of the first lens element is ?1, the Abbe number of the second lens element is ?2, the Abbe number of the third lens element is ?3 and the Abbe number of the fourth lens element is ?4 to satisfy ?1+?2+?3+?4?150.000.

Abstract: An optical imaging lens may include a first, a second, a third, and a fourth lens elements positioned in an order from an object side to an image side. Through designing concave and/or convex surfaces of the four 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 and the F-number (Fno) of the optical image lens may be decreased.

Abstract: An optical imaging lens includes first, second, third, fourth, fifth, and sixth lens elements, each having an object-side surface facing toward an object side and an image-side surface facing toward an image side. The image-side surface of the first lens element comprises a concave portion in a vicinity of a periphery of the first lens element and the image-side surface of the second lens element comprises a convex portion in a vicinity of the optical axis. The fourth lens element has positive refractive power. The image-side surface of the sixth lens element comprises a concave portion in a vicinity of the optical axis and the optical imaging lens as a whole has only the six lens elements having refractive power.

Abstract: An imaging lens includes first, second, third, fourth, fifth, sixth and seventh lens elements arranged in a sequence from an object side to an image side along an optical axis. Each lens element has an object-side surface and an image-side surface. The object-side of the third lens element has a convex portion in a vicinity of a periphery. The object-side of the fifth lens element has a convex portion in a vicinity of the optical axis and a concave portion in a vicinity of a periphery. The object-side of the sixth lens element has a concave portion in a vicinity of a periphery. All of lens elements having refracting power of the imaging lens are the first, second, third, fourth, fifth, sixth and seventh lens elements.

Abstract: Present embodiments provide for optical imaging lenses. An optical imaging lens may include at least seven lens elements positioned sequentially from an object side to an image side. Through arrangement of the convex or concave surfaces of the lens elements, the length of the optical imaging lens may be shortened while providing better optical characteristics and imaging quality.

Abstract: Present embodiments provide for an optical imaging lens. 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 a eighth lens element positioned sequentially from an object side to an image side. Through arrangement of convex or concave surfaces of the eight lens elements, the length of the optical imaging lens may be shortened while providing better optical characteristics and imaging quality.

Abstract: An optical lens including a lens and at least one optical layer is provided. The lens has a central region and a peripheral region surrounding the central region. The at least one optical layer is disposed on the lens. Each optical layer is located in the peripheral region and exposes the central region, wherein the peripheral region has at least one first gap strip region connected to the central region, and each optical layer exposes the at least one first gap strip region. A fixture is also provided.

Abstract: Present embodiments provide for an optical imaging lens. 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 and seven lens element positioned in an order from an object side to an image side. Through the arrangement of convex or concave surfaces of the seven lens elements, the length of the optical imaging lens may be shortened while providing better optical characteristics and imaging quality.

Abstract: An imaging lens includes first, second, third, fourth, fifth, sixth and seventh lens elements arranged in a sequence from an object side to an image side along an optical axis. Each lens element has an object-side surface and an image-side surface. The object-side of the third lens element has a convex portion in a vicinity of a periphery. The object-side of the fifth lens element has a convex portion in a vicinity of the optical axis and a concave portion in a vicinity of a periphery. The object-side of the sixth lens element has a concave portion in a vicinity of a periphery. All of lens elements having refracting power of the imaging lens are the first, second, third, fourth, fifth, sixth and seventh lens elements.

Abstract: Present embodiments provide for an optical imaging lens. 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 and seven lens element positioned in an order from an object side to an image side. Through the arrangement of convex or concave surfaces of the seven lens elements, the length of the optical imaging lens may be shortened while providing better optical characteristics and imaging quality.

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.