The Canon Bellows FL with Slide Duplicator is a rare and versatile tool for macro photography and slide duplication. This bellows system allows for an increased distance between the lens and sensor, enabling extremely detailed close-ups. It is specifically designed for Canon FL-mount cameras but can also be used on other analog and digital cameras with the right adapters. The Slide Duplicator makes it easy to accurately duplicate slides and negatives, ideal for photographers looking to digitize their analog work. State of the article: - Quality score: Gold - Tested and functional: All adjustment knobs and rails operate smoothly; the bellows mechanism is in excellent condition without tears or light leaks. - Optical and mechanical: Very well maintained; no rust or oxidation on metal parts, and the slide holder for the Slide Duplicator functions as expected. - Housing: Minimal signs of use, which is typical for an item of this age and type. This accessory is perfect for collectors and macro photographers looking for ultimate control over magnification and focus. It offers unparalleled precision in capturing small details and is ideal for reproduction and archival purposes.