Abstract: An optical imaging lens includes a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element in sequence along an optical axis from an object side to an image side. When the object moves from infinity to macro, the optical imaging lens correspondingly forms a first focusing state and a second focusing state to achieve the focusing purpose. The fifth 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 image-side surface of the fifth lens element is concave. Lens elements included by the optical imaging lens are only five lens elements, and (TTL*?HFOV)/?G?19.000 degrees is satisfied.

Abstract: An optical imaging lens includes an aperture, a front lens group and a rear lens group along an optical axis from an object side to an image side. A first lens element of the front lens group is a lens element in a first order from the object side, and a second lens element is in a second order. The first lens element has positive refracting power, and an optical axis region of the object-side surface of the second lens element is convex, or its periphery region is convex. Lens elements included by the optical imaging lens are only five lens elements. The rear lens group enables the optical imaging lens to form a first focusing state and a second focusing state. EFL is an effective focal length of the first focusing state, and EFLA is an effective focal length of the second focusing state to satisfy EFL/EFLA?1.200.

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, a seventh lens element and an eighth 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 increase resolution, enlarge aperture stop and image height, and maintain well image quality.

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, and a periphery region of the object-side surface of the second lens element is convex, a periphery region of the object-side surface of the third lens element is concave, the fourth lens element has negative refracting power, an optical axis region of the object-side surface of the fourth lens element is concave, an optical axis region of the image-side surface of the fifth lens element is concave, and an optical axis region of the image-side surface of the sixth lens element is convex. Lens elements included by the optical imaging lens are only the seven lens elements mentioned above, and the following relationships: V2+V3+V5?120.000 and (T1+L4IL7I)/(T2+G23+T3)?3.000 are satisfied.

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. A periphery region of the object-side surface of the first lens element is concave, an optical axis of the image-side surface of the first lens element is concave, a periphery region of the object-side surface of the second lens element is convex, the third lens element has negative refracting power, the fourth lens element has negative refracting power, a periphery region of the image-side surface of the fourth lens element is concave, and a periphery region of the object-side surface of the fifth lens element is concave. Lens elements included by the optical imaging lens are only six lens elements described above.

Abstract: The present invention provides an optical imaging lens. The optical imaging lens comprises six 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 designing parameters satisfying at least one inequality, the optical imaging lens may present a great angle of view with smaller surface area of the front side of the optical imaging lens.

Abstract: The present invention provides an optical imaging lens. The optical imaging lens comprises seven 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 parameters to meet (EFL+ALT)/D67?4.800, the optical imaging lens may shorten system length with a good imaging quality.

Abstract: An optical imaging lens, including 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 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 seventh lens element includes 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. A periphery region of the object-side surface of the second lens element is concave and an optical axis region of the image-side surface of the second lens element is convex. The seventh lens element has negative refracting power and an optical axis region of the image-side surface of the seventh lens element is concave.

Abstract: An optical imaging lens includes a first lens element to a ninth lens element, and each lens element has an object-side surface and an image-side surface. A periphery region of the image-side surface of the first lens element is concave, the second lens element has negative refracting power, the eighth lens element has negative refracting power, and an optical axis region of the object-side surface of the ninth lens element is concave. Lens elements included by the optical imaging lens are only the nine lens elements described above, and the optical imaging lens satisfies the distance from the object-side surface of the first lens element to an image plane on the optical axis is less than or equal to 15.000 mm.

Abstract: An optical imaging lens, including 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 sequentially arranged along an optical axis from an object side to an image side, is provided. Each of the first lens element to the seventh lens element includes an object-side surface and an image-side surface. An 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 second lens element is concave. The fourth lens element has positive refracting power, and an optical axis region of the object-side surface of the fourth lens element is concave. An optical axis region of the image-side surface of the fifth lens element is convex.

Abstract: An optical imaging lens includes a first lens element to a sixth 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. The first lens element has negative refracting power, an optical axis region of the object-side surface of the second lens element is concave, the fourth lens element has negative refracting power, an optical axis region of the object-side surface of the fourth lens element is concave, a periphery region of the image-side surface of the fourth lens element is convex, an optical axis region of the object-side surface of the fifth lens element is concave, a periphery region of the object-side surface of the fifth lens element is concave, an optical axis region of the object-side surface of the sixth lens element is convex.

Abstract: An ocular optical system includes a first lens element and a second lens element from an eye-side to a display-side in order along an optical axis. The first lens element and the second lens element each include an eye-side surface and a display-side surface. The display-side surface of the second lens element has a concave portion in a vicinity of a periphery thereof. The ocular optical system satisfies 2.000?G2D/T1 and ER/G12?20.000, wherein G2D is a distance from the second lens element to the display screen along the optical axis, T1 is a thickness of the first lens element along the optical axis, ER is a distance from a pupil of the eye of the observer to the first lens element along the optical axis, and G12 is an air gap from the first lens element to the second lens element along the optical axis.

Abstract: An optical imaging lens has six lens elements. A periphery region of the image-side surface of the first lens element is concave, an periphery region of the object-side surface of the third lens element is concave, an optical axis region of the object-side surface of the sixth lens element is concave, a periphery 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 and a periphery region of the image-side surface of the sixth lens element is convex. AAG is a sum of five air gaps, T6 is a thickness of the sixth lens element and the Abbe number of the second, the third, the fourth, the fifth is ?2, ?3, ?4 and ?5 to satisfy ?2+?3+?4+?5?135.000 and AAG/T6?2.900.

Abstract: An optical lens assembly includes first, second, third, and fourth lens elements arranged in order 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 surface of the first lens element has a convex portion in a vicinity of a periphery. The second lens element has negative refracting power. The object-side surface of the third lens element has a concave portion in a vicinity of a periphery. The image-side surface of the fourth lens element has a convex portion in a vicinity of a 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 and increased field of view while the optical imaging lens may satisfy (T1+AAG)/T4?1.700, wherein a thickness of the first lens element along the optical axis is represented by T1, a thickness of the fourth lens element along the optical axis is represented by T4, and a sum of the three air gaps from the first lens element to the fourth lens element along the optical axis is represented by AAG.

Abstract: The present invention provides an optical imaging lens. The optical imaging lens comprises six 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 designing parameters satisfying at least one inequality, the optical imaging lens may present a great angle of view with smaller surface area of the front side of the optical imaging lens.

Abstract: An optical imaging lens includes a first lens element to a sixth lens element. An optical axis region of the object-side surface of the first lens element is convex, 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, the fourth lens element has negative refracting power, an optical axis region of the object-side surface of the fourth lens element is concave, a periphery region of the object-side surface of the fifth lens element is concave, an optical axis region of the object-side surface of the sixth lens element is convex and an optical axis region of the image-side surface of the sixth lens element is concave to satisfy (G12+T3+G34+T4+G45+T5)/EFL?1.200.

Abstract: The present invention provides an optical imaging lens. The optical imaging lens comprises seven 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 parameters to meet (EFL+ALT)/D67?4.800, the optical imaging lens may shorten system length with a good imaging quality.

Abstract: An optical lens assembly includes first, second, third, and fourth lens elements arranged in order 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 surface of the first lens element has a convex portion in a vicinity of a periphery. The second lens element has negative refracting power. The object-side surface of the third lens element has a concave portion in a vicinity of a periphery. The image-side surface of the fourth lens element has a convex portion in a vicinity of a periphery.

Abstract: An optical imaging lens has six lens elements. A periphery region of the image-side surface of the first lens element is concave, an periphery region of the object-side surface of the third lens element is concave, an optical axis region of the object-side surface of the sixth lens element is concave, a periphery 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 and a periphery region of the image-side surface of the sixth lens element is convex. AAG is a sum of five air gaps, T6 is a thickness of the sixth lens element and the Abbe number of the second, the third, the fourth, the fifth is ?2, ?3, ?4 and ?5 to satisfy ?2+?3+?4+?5?135.000 and AAG/T6?2.900.