The ornamental design for an anamorphicconversionlens, as shown and described.
FIG. 1 is a front view of an anamorphic conversion lens;
FIG. 2 is a rear view thereof;
FIG. 3 is a left-side view thereof;
FIG. 4 is a right-side view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a top and front perspective view thereof;
FIG. 8 is a bottom and front perspective view thereof; and,
FIG. 9 is a bottom and rear perspective view thereof.
The broken lines depict portions, threaded connectors, knurling, and lettering of the anamorphic conversion lens in which the design is embodied that form no part of the claimed design.