The ornamental design for an electroniccamera, as shown and described.
FIG. 1 is a front and top perspective view of an electronic camera showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a top view thereof;
FIG. 6 is a left side view thereof; and,
FIG. 7 is a right side view thereof.
The broken line showing of various regions in the figures, including the unshaded areas therein, is for illustrative purposes and forms no part of the claimed design.