The ornamental design for a camera, as shown and described.
FIG. 1 is a front perspective view of a camera according to the present invention;
FIG. 2 is a rear perspective view of the camera;
FIG. 3 is a top view of the camera;
FIG. 4 is a front view of the camera;
FIG. 5 is a bottom view of the camera;
FIG. 6 is a rear view of the camera;
FIG. 7 is a right side view of the camera; and,
FIG. 8 is a left side view of the camera.
The structural features depicted by broken lines have been shown for the purpose of illustrating portions of the camera that form no part of the claimed design. The “GARMIN” and “VIRB” trademarks depicted in the drawing figures are trademarks of Garmin Ltd. or its subsidiaries and form no part of the claimed design.