FIG. 1 is a perspective view of a first embodiment of the ornamental design for the lens.
FIG. 2 is a top view of the first embodiment of the ornamental design for the lens.
FIG. 3 is a bottom view of the first embodiment of the ornamental design for the lens.
FIG. 4 is a left side view of the first embodiment of the ornamental design for the lens.
FIG. 5 is a right side view of the first embodiment of the ornamental design for the lens.
FIG. 6 is a front view of the first embodiment of the ornamental design for the lens.
FIG. 7 is a back view of the first embodiment of the ornamental design for the lens.
FIG. 8 is another perspective view of the first embodiment of the ornamental design for the lens.
FIG. 9 is a perspective view of a second embodiment of the ornamental design for the lens.
FIG. 10 is a top view of the second embodiment of the ornamental design for the lens.
FIG. 11 is a bottom view of the second embodiment of the ornamental design for the lens.
FIG. 12 is a left side view of the second embodiment of the ornamental design for the lens.
FIG. 13 is a right side view of the second embodiment of the ornamental design for the lens.
FIG. 14 is a front view of the second embodiment of the ornamental design for the lens; and,
FIG. 15 is a back view of the second embodiment of the ornamental design for the lens.
The broken-line disclosure in the views is understood to represent portions of the article in which the claimed design is embodied, but which form no part of the claimed design.