The ornamental design for an opticaldissector, as shown and described.
FIG. 1 is a front perspective view of an optical dissector according to the present invention.
FIG. 2 is a front view of the optical dissector of FIG. 1.
FIG. 3 is a rear view of the optical dissector of FIG. 1.
FIG. 4 is a left side view of the optical dissector of FIG. 1.
FIG. 5 is a right side view of the optical dissector of FIG. 1.
FIG. 6 is a top view of the optical dissector of FIG. 1; and,
FIG. 7 is a bottom view of the optical dissector of FIG. 1.
The broken lines shown in FIGS. 1-7 illustrate portions of the optical dissector that form no part of the claimed design.
The optical dissector is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design.