Offered is a professional-grade Leitz Wetzlar Bellows Focusing Attachment (Balgengerät), a precision-engineered tool designed for extreme macro and close-up photography. This heavy-duty accessory was produced in Wetzlar, Germany, to the exacting standards of the Leica system. It is typically used in conjunction with a Visoflex reflex housing on Leica M cameras, or with specialized short-mount lenses, to provide a continuous range of magnification. The unit features a high-quality rack-and-pinion geared track for precise focusing and magnification control. It is a vital instrument for scientific, medical, or nature photographers seeking the legendary optical performance of Leitz lenses at life-size or greater-than-life-size scales. Specifications Type: Macro Bellows Focusing Attachment Mount: Leica bayonet mount Adjustment: Integrated rack-and-pinion geared track with locking knobs Construction: Solid all-metal body with black "crinkle" finish and high-quality leather/synthetic bellows Scale: Engraved magnification/extension scale on the rail Origin: Wetzlar, Germany Condition Cosmetic: The unit is in very good aesthetic condition. The black finish is well-preserved, and the iconic red Leitz Wetzlar logo is clear and intact. Mechanical: The geared focusing rail operates smoothly across its entire range. The locking mechanisms are functional. Bellows: The bellows appear to be in good, supple condition without visible cracks or light leaks (not tested with film). Mounts: The front and rear mounts are clean and show minimal signs of use. Please note: This is a technical accessory that requires compatible Leica camera bodies and lenses (often requiring a Visoflex). It has not been tested with film. The images are an integral part of the description.