Photography – Having variable focal length of camera objective – Lens moves in or out of light path
Reexamination Certificate
2006-01-24
2006-01-24
Mahoney, Christopher (Department: 2851)
Photography
Having variable focal length of camera objective
Lens moves in or out of light path
C396S350000
Reexamination Certificate
active
06990291
ABSTRACT:
A lens barrel includes a housing having a ring portion surrounding an optical axis; a first optical element and a second optical element which are positioned radially inside the ring portion and which are movable along the optical axis relative to the housing; a support frame which supports the second optical element, and has at least one radial arm portion which projects radially outwards to such an extent that an outer end of the radial arm portion is positioned radially outside the ring portion of the housing; and at least one guide shaft positioned radially outside the ring portion, and configured to guide the radial arm portion in the optical axis direction.
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Greenblum & Bernstein P.L.C.
Mahoney Christopher
PENTAX Corporation
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