Optical filter holder

Description

FIG. 1 is a front, top, left side perspective view of an optical filter holder showing our new design.

FIG. 2 is a rear, top, right side perspective view.

FIG. 3 is a front elevation view.

FIG. 4 is a rear elevation view.

FIG. 5 is a top plan view; the bottom plan view being a mirror image; and,

FIG. 6 is a left side elevation view, the right side elevation view being a mirror image.

The broken lines shown in the drawings depict features of the optical filter holder that form no part of the claimed design.

Claims

The ornamental design for an optical filter holder, as shown and described.