Patent Number: 8,797,657

Title: Zoom lens

Abstract: A zoom lens includes sequentially from an object side, a first lens group having a positive refractive power, a second lens group having a negative refractive power, an aperture stop, a third lens group having a positive refractive power, a fourth lens group having a positive refractive power, and fifth lens group. The zoom lens further satisfies given conditions.

Inventors: Mitsuhashi; Takahiro (Saitama, JP)

Assignee: Tamron Co., Ltd.

International Classification: G02B 15/14 (20060101)

Expiration Date: 8/05/12018