We claim the ornamental design for a camera, as shown and described.
FIG. 1 is a top, front and right side perspective view of a first embodiment of the camera showing our new design;
FIG. 2 is a top, front and right side perspective view of a second embodiment of the camera showing our new design;
FIG. 3 is a front elevational view of the first embodiment;
FIG. 4 is a rear elevational view of the first embodiment and the second embodiment;
FIG. 5 is a right side elevational view of the first embodiment;
FIG. 6 is a left side elevational view of the first embodiment;
FIG. 7 is a left side elevational view of a third embodiment of the camera showing our new design, all other views being identical to those shown of the first embodiment;
FIG. 8 is a top plan view of the first embodiment; and,
FIG. 9 is a bottom plan view of the first embodiment.
The broken lines depict portions of the camera in which the design is embodied that form no part of the claimed design.