The ornamental design for a videocamera, as shown and described.
FIG. 1 is a top, front and left side perspective view of a video camera showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a top, front and left side perspective view thereof with a camera lens attached. The broken line portion of the camera lens is shown to illustrate environment only and form no part of the claimed design.