Rare original Ernst Leitz Wetzlar yellow lens filter from the classic Leica era. The filter is mounted in a black metal frame engraved with E. Leitz Wetzlar and comes with its original red Leica presentation box, adding to its collectability and historical appeal. Yellow filters were widely used in black-and-white photography to enhance contrast, particularly in landscape photography, where they help darken blue skies and improve cloud definition. An attractive accessory for Leica collectors, vintage camera enthusiasts, and photographic history collections. Condition • Good vintage condition, consistent with age and use. • The filter glass shows light signs of use and fine cleaning marks. • Metal mount remains in very good condition with minor wear. • Original Leica box included, showing age-related wear and patina. • Please refer to the photographs, which form an integral part of the description. Specifications • Manufacturer: Ernst Leitz Wetzlar • Type: Yellow lens filter • Material: Glass and metal • Original Leica box included • Made in Germany A desirable and authentic Leica accessory, ideal for collectors of classic photographic equipment and Leica memorabilia.