Genius Electronic Optical (xiamen) Co., Ltd.

Jianpeng Li

Jia-Sin Jhang

Maozong Lin

Yanbin Chen

Yongfeng Lai

Run Hu

Matthew Bone

Baina Chen

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.

Optical imaging lens

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.

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.

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.

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.

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.

Optical imaging lens including seven lenses of +−−+−+− or +−−+++− refractive powers

An optical imaging lens including a first lens element, an aperture stop, a second lens element, a third lens element, a fourth lens element, a fifth lens element, and a sixth lens element sequentially along an optical axis from an object-side to an image-side is provided. At least one of the object side surfaces and the image side surfaces of the first lens element to the sixth lens element is free form surface. The optical imaging lens satisfies the conditions of ImgH/(T1+G12+T2)&#x2265;4.200. Furthermore, other optical imaging lenses are also provided.

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 a conditional expression: (G+T+G)/(TG+GT)&#x2265;2.600. Gis an air gap from the fifth to the sixth lens element along the optical axis. Tis a thickness of the sixth lens element along the optical axis. Gis an air gap from the sixth to the seventh lens element along the optical axis. TGis a distance from the object-side surface of the third lens element to the object-side surface of the fourth lens element along the optical axis. GTis a distance from the image-side surface of the fourth lens element to the image-side surface of the fifth lens element along the optical axis.

Optical imaging lens including seven lenses of +--+-+- or +--+++- refractive powers

An optical imaging lens includes a first lens element to a seventh 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 region of the object-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 image-side surface of the fifth lens element is concave, the sixth lens element has positive refracting power and a periphery 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 concave, and the optical imaging lens satisfies the conditions: &#x3c5;2+&#x3c5;3+&#x3c5;6&#x2264;110.000 and (T1+T7)/(G12+T2+G45)&#x2265;2.500.

Optical imaging lens including seven lenses of +&#x2212;++&#x2212;+&#x2212;, +&#x2212;&#x2212;+&#x2212;+&#x2212; or +&#x2212;+&#x2212;&#x2212;+&#x2212; refractive powers

An optical imaging lens includes a first lens element to a seventh lens element. A periphery region of the image-side surface of the first lens element is concave, 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 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 object-side surface of the seventh lens element is concave. EFL is an effective focal length of the optical imaging lens, BFL is a distance from the image-side surface of the seventh lens element to an image plane, AAG is a sum of six air gaps and T1 is a thickness of the first lens element to satisfy EFL/BFL&#x2265;4.800 and AAG/T1&#x2264;2.000.

Optical imaging lens including seven lenses of +-+-++-, +-+-+--, +-+--+-, +++--+-, or +---++- refractive powers

An optical imaging lens including a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element having refracting power arranged in sequence from an object side to an image side is provided. Twice of an Abbe number of the fourth lens element is greater than a sum of an Abbe number of the second lens element, an Abbe number of the third lens element, and an Abbe number of the fifth lens element. Other optical imaging lenses are also provided.

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Fujian, China

Jianpeng Li