Lens

FIG. 1 is a top front perspective view of the claimed design;

FIG. 2 is a front elevation view of FIG. 1 , with the back elevation view being a mirror image thereof;

FIG. 3 is a right side elevation view of FIG. 1 , with the left side elevation view being a mirror image thereof;

FIG. 4 is a top plan view of FIG. 1 ; and,

FIG. 5 is a bottom plan view of FIG. 1 .

The broken lines shown in the drawings illustrate unclaimed portions of the lens which form no part of the claimed design.