The ornamental design for a camera mount basebracket, as shown and described.
FIG. 1 is a front elevational view of the camera mount base bracket showing my new design. The broken lines shown in the drawings represent a logo which may be placed on the base bracket. The broken lines shown in the drawing are directed to environment, and are for informational purposes only and form no part of the claimed design.
FIG. 2 is a rear elevational view. The broken lines shown in the drawings represent a logo which may be placed on the base bracket. The broken lines shown in the drawing are directed to environment, and are for informational purposes only and form no part of the claimed design.
FIG. 3 is a top plan view.
FIG. 4 is bottom plan view.
FIG. 5 is a right side elevational view; and,
FIG. 6 is a left side elevational view of the camera mount base bracket.