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US 2006/0067671 A1Published application
Lens barrel and imaging apparatus having the same
AssigneeCanon Kabushiki Kaisha
InventorRyuichi Nagae
Life of this patent
Estimating the term…
Abstract
At least one exemplary embodiment is directed to a lens barrel, which includes a photographic lens including a plurality of lens units, at least one lens surface of the photographic lens facing an imaging plane being a concave surface, and an optical diaphragm. The optical diaphragm is at least partly stowable in a space defined by the concave surface.
Claims11
A lens barrel comprising:
- a photographic lens including a plurality of lens units, at least one lens surface of the photographic lens being a concave surface;
- and
- an optical diaphragm,
- wherein the optical diaphragm is configured to enter a space defined by the concave surface at a position, wherein the position is within the moving range of the lens barrel, wherein the moving range is between and inclusive of a position where the lens barrel is retracted to a position where the lens barrel is used for photographing.
1 more element
A lens barrel comprising:
- a photographic lens including a plurality of lens units;
- and
- a plurality of optical diaphragms corresponding to the plurality of lens units,
- wherein at least one diaphragm is configured to enter an inner circumference space of another optical diaphragm at a position, wherein the position is within the moving range of the lens barrel, wherein the moving range is between and inclusive of a position where the lens barrel is retracted to a position where the lens barrel is used for photographing.
1 more element
A lens barrel comprising:
- a photographic lens including a plurality of lens units, at least one lens surface of the photographic lens being a concave surface;
- and
- an optical diaphragm,
- wherein at least a part of a member holding the photographic lens is stowable in a space defined by the concave surface and the optical diaphragm.
1 more element
Dependencies are inferred from the claim text.