Optical imaging lens
AssigneeGenius Electronic Optical (Xiamen) Co., Ltd.
InventorsHuabin Liao, Wenbin Lin, Jiali Lian, Ou Zhou
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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 the convex or concave shape of the surfaces of the lens elements, the optical imaging lens may shorten system length and enlarge field of view and aperture size.
Claims20
An optical imaging lens, comprising a first element, a second element, a third element, a fourth element, a fifth lens element, a sixth lens element and a seventh lens element sequentially from an object side to an image side along an optical axis, each of the first, second, third, fourth, fifth, sixth and seventh lens element having an object-side surface facing toward the object side and allowing imaging rays to pass through and an image-side surface facing toward the image side and allowing the imaging rays to pass through, wherein:
- the first lens element has negative refracting power, and a periphery region of the object-side surface of the first lens element is convex;
- the second lens element has positive refracting power, and a periphery region of the image-side surface of the second lens element is concave;
- a periphery region of the image-side surface of the fifth lens element is concave;
- 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;
- lens elements of the optical imaging lens consist of the seven lens elements described above.
An optical imaging lens, comprising a first element, a second element, a third element, a fourth element, a fifth lens element, a sixth lens element and a seventh lens element sequentially from an object side to an image side along an optical axis, each of the first, second, third, fourth, fifth, sixth and seventh lens element having an object-side surface facing toward the object side and allowing imaging rays to pass through and an image-side surface facing toward the image side and allowing the imaging rays to pass through, wherein:
- the first lens element has negative refracting power, and a periphery region of the object-side surface of the first lens element is convex;
- the second lens element has positive refracting power;
- a periphery region of the image-side surface of the fifth lens element is concave;
- 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;
- lens elements of the optical imaging lens consist of the seven lens elements described above;
- and
- a distance from the object-side surface of the first lens element to an image plane along the optical axis is represented by TTL, a sum of six air gaps from the first lens element to the seventh lens element along the optical axis is represented by AAG, and the optical imaging lens satisfies the inequality:
- TTL/AAG≥4.400.
An optical imaging lens, comprising a first element, a second element, a third element, a fourth element, a fifth lens element, a sixth lens element and a seventh lens element sequentially from an object side to an image side along an optical axis, each of the first, second, third, fourth, fifth, sixth and seventh lens element having an object-side surface facing toward the object side and allowing imaging rays to pass through and an image-side surface facing toward the image side and allowing the imaging rays to pass through, wherein:
- the first lens element has negative refracting power;
- the second lens element has positive refracting power, and a periphery region of the image-side surface of the second lens element is concave;
- a periphery region of the image-side surface of the fifth lens element is concave;
- 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;
- lens elements of the optical imaging lens consist of the seven lens elements described above;
- and
- a distance from the object-side surface of the first lens element to an image plane along the optical axis is represented by TTL, a sum of six air gaps from the first lens element to the seventh lens element along the optical axis is represented by AAG, and the optical imaging lens satisfies the inequality:
- TTL/AAG≤4.400.
Dependencies are inferred from the claim text.