Patent ID: 8174777

Claim:
A zoom lens assembly comprising, in order from an object side to an image side: a first lens group with negative refractive power, a second lens group with positive refractive power, and a third lens group with positive refractive power, wherein: the first lens group having only two lens elements with refractive power, comprises, in order from the object side to the image side: a first lens element with negative refractive power; and a second lens element with negative refractive power; the second lens group comprises, in order from the object side to the image side: a stop; a third lens element; and a fourth lens element; the third lens group comprises: a fifth lens element; wherein the number of lens elements with refractive power of the zoom lens assembly is N, and it satisfies the relation: 5≦N≦7, wherein there are at least three aspheric lens elements of the lens elements with refractive power of the zoom lens assembly.