The ornamental design for a slidablecontrolassembly for a camera, as shown and described.
FIG. 1 is a perspective view of the top, rear and right side of a slidable
control assembly for a camera showing my new design;
FIGS. 2, 3, 4, 5, and 6 are front, top, left side, right side and bottom
views, respectively, of the camera in which the slidable control assembly
does not appear; and,
FIG. 7 is a rear elevational view of a slidable control assembly for a
camera.
The elements shown in broken lines in FIGS. 1-7 inclusive are shown for
background purposes only and do not constitute any portion of the claimed
design.