Patent ID: 8885262

Claim:
An image pickup apparatus, comprising: a zoom lens, and an image pickup device located on an image side thereof, wherein: said zoom lens comprises, in order from an object side thereof, a first lens group, a second lens group located on an image side of said first lens group, with a distance between said second lens group and said first lens group changing upon zooming from a wide-angle end to a telephoto end of the zoom lens, a third lens group located on an image side of said second lens group, with a distance between said third lens group and said second lens group changing upon zooming from said wide-angle end to said telephoto end, a fourth lens group located on an image side of said third lens group, with a distance between said fourth lens group and said third lens group changing upon zooming from said wide-angle end to said telephoto end, and a fifth lens group located on an image side of said fourth lens group, with a distance between said fifth lens group and said fourth lens group changing upon zooming from said wide-angle end to said telephoto end, and wherein: said zoom lens includes a reflecting element for reflecting a light ray after it enters a refractive entrance surface of said first lens group, said zoom lens includes one reflecting element in all, said image pickup element is positioned on a side of a path taken by light reflected off said reflecting element, said zoom lens further comprises an aperture stop, one of the lens groups is disposed on the object side of the aperture stop and includes the reflecting element, and said one of the lens groups remains fixed in position upon zooming from the wide-angle end to the telephoto end.