For Sale FS: 4x4 inch Lensboard for Beseler

for Beseler 23C and 45mx series.
1. Lensboard 4x4 inches with 1 3/8" (35mm) hole.
2. Lensboard 4x4 inches with 1 3/16" (30mm) hole.
3. Lensboard 4x4 inches with 1" (25mm) hole, recessed on one side.

$10 ea. plus postage.
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