The ornamental design for a digitalcamera, as shown and described.
FIG. 1 is a top plan view of a digital camera, according to the present invention;
FIG. 2 is a top, front and right side perspective view thereof; and,
FIG. 3 is a top, rear and left side perspective view thereof.
The broken lines in the drawings that encircle the solid lines are boundary lines for the respective figures and form no part of the claimed design. The other broken lines disclosed in the drawings are shown to illustrate environment only and form no part of the claimed design.