The ornamental design for a lensassembly, as shown and described.
FIG. 1 is a bottom, front, and left side perspective view of a lens assembly embodying our new design, shown in condition of use with a camera disclosed in broken lines to illustrate an environment.
FIG. 2 is a bottom, rear, and right side perspective view of a lens assembly;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
The broken lines depict portions of the lens assembly in which the design is embodied that form no part of the claimed design. Additionally, the broken lines showing a camera in FIG. 1 represent environmental structure and form no part of the claimed design.