Patent ID: 7408583

Claim:
A taking lens apparatus comprising: a zoom lens system that is composed of a plurality of lens units and that achieves zooming by varying distances between the lens units; and an image sensor that converts an optical image formed by the zoom lens system into an electrical signal; the zoom lens system comprising, from an object side: a first lens unit disposed on a most object side and having a negative optical power; a second lens unit disposed on an image side of the first lens unit and having a negative optical power; a third lens unit disposed on an image side of the second lens unit and having a positive optical power; a fourth lens unit disposed on an image side of the third lens unit and having a positive optical power; and a fifth lens unit disposed on an image side of the fourth lens unit and having a positive optical power, wherein, during zooming, the lens or lenses comprising each lens unit move or remain stationary as a unit, and wherein, during zooming, the first lens unit remains stationary relative to the image sensor, and the second and third lens units move.