Comparator Opticals Store / Comparator Opticals Refine by 1 – USED 6” X 6” ZEISS (CARL) DESK TYPE OPTICAL COMPARATOR 1 – USED 6” X 6” ZEISS (CARL) DESK TYPE OPTICAL COMPARATOR SKU 14393 Buy Now 1 – USED 14” OGP MODEL LXL-14S OPTICAL COMPARATOR 1 – USED 14” OGP MODEL LXL-14S OPTICAL COMPARATOR SKU C-6060 Buy Now