Photographing optical lens assembly, image capturing unit and electronic device
AssigneeLargan Precision Co., Ltd.
InventorsSyuan Ruei Lai, Wei-Yu Chen
Life of this patent
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Abstract
A photographing optical lens assembly includes five lens elements which are, in order from an object side to an image side: a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element has positive refractive power. The third lens element has negative refractive power. The fifth lens element has negative refractive power. The photographing optical lens assembly has a total of five lens elements.
Claims35
A photographing optical lens assembly comprising five lens elements, the five lens elements being, in order from an object side to an image side:
- a first lens element having positive refractive power;
- a second lens element;
- a third lens element having negative refractive power;
- a fourth lens element;
- and
- a fifth lens element having negative refractive power;
- wherein the photographing optical lens assembly has a total of five lens elements, an axial distance between the fourth lens element and the fifth lens element is T45, an axial distance between an object-side surface of the first lens element and an image-side surface of the third lens element is Dr1r6, a focal length of the photographing optical lens assembly is f, a focal length of the first lens element is f1, a focal length of the second lens element is f2, a focal length of the third lens element is f3, a curvature radius of an object-side surface of the second lens element is R3, and the following conditions are satisfied:
- 0.55<T45/Dr1r6;
- |f3/f2|<1.40;
- |f1/f3|<1.0;
- and
- f/R3<−1.25.
A photographing optical lens assembly comprising five lens elements, the five lens elements being, in order from an object side to an image side:
- a first lens element having positive refractive power;
- a second lens element;
- a third lens element having negative refractive power;
- a fourth lens element;
- and
- a fifth lens element having negative refractive power;
- wherein the photographing optical lens assembly has a total of five lens elements, a focal length of the photographing optical lens assembly is f, a focal length of the first lens element is f1, a focal length of the second lens element is f2, a focal length of the third lens element is f3, an axial distance between the fourth lens element and the fifth lens element is T45, an axial distance between an object-side surface of the first lens element and an image-side surface of the third lens element is Dr1r6, an axial distance between the object-side surface of the first lens element and an image surface is TL, and the following conditions are satisfied:
- |f3/f2|<1.0;
- 0.60<T45/Dr1r6;
- |f1/f3|<1.0;
- and
- TL/f<1.0.
A photographing optical lens assembly comprising five lens elements, the five lens elements being, in order from an object side to an image side:
- a first lens element having positive refractive power;
- a second lens element;
- a third lens element having negative refractive power;
- a fourth lens element;
- and
- a fifth lens element having negative refractive power;
- wherein the photographing optical lens assembly has a total of five lens elements, a focal length of the photographing optical lens assembly is f, a focal length of the second lens element is f2, a focal length of the third lens element is f3, a focal length of the fourth lens element is f4, a focal length of the fifth lens element is f5, an axial distance between the fourth lens element and the fifth lens element is T45, an axial distance between an object-side surface of the first lens element and an image-side surface of the third lens element is Dr1r6, and the following conditions are satisfied:
- 0.60<T45/Dr1r6;
- and
- 0<|f/f3|−(|f/f2|+|f/f4|±|f/f5|).
Dependencies are inferred from the claim text.