Appeal No. 1997-1766
Application No. 08/245,033
Kitagishi '602 and Maruyama. We note that none of these
references are concerned with zoom lens systems. Furthermore,
we note that none of the optical systems are concerned with a
five separate lens units.
Yamazaki discloses a three-unit, fixed focal length
telephoto lens that moves the middle lens unit in a direction
perpendicular to the optical axis for image stabilization.
Yamazaki does not teach a zoom lens and does not even disclose
a five-unit lens.
Maruyama also does not teach a zoom lens and does not
even teach a five-unit lens. Maruyama teaches a four-unit,
fixed focal length telephoto lens. Maruyama teaches that the
second or third lens unit of the four-unit lenses is
decentered for image stabilization.
Kitagishi '602 discloses a two-unit, fixed focal length
telephoto lens embodiment that moves the rear lens unit in a
direction perpendicular to the optical axis for image
stabilization and also discloses a three-unit fixed focal
length telephoto lens that moves the middle lens unit in the
direction perpendicular to the optical axis for image
stabilization. We note that Kitagishi '602 discloses in
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