This is a used Leitz Germany diffuser filter designed for specific microscope models, identified as part number H3-B-03. The component is made from optical glass to help diffuse light within the optical path, which can improve image uniformity. It is offered as pictured and intended for repair or maintenance of compatible Leitz microscope units. Free shipping is available for this item. As a used part, please review all provided photos carefully for its exact condition. This filter is suitable for technicians, researchers, or hobbyists servicing compatible microscopes. Check the listing for full details on compatibility and specifications before purchase. LEITZ GERMANY FILTER DIFFUSER GLASS OPTICS MICROSCOPE PART AS Pictured H3-B-03. Condition: Used, Made in Germany. Listed at 19.00 USD. LEITZ GERMANY FILTER DIFFUSER GLASS OPTICS MICROSCOPE PART AS Pictured H3-B-03