The Schneider Retina Tele Arton 85mm f4 DKL Mount Lens is a vintage telephoto lens designed for Kodak cameras with a Retina mount. Made by Schneider-Kreuznach, known for their high-quality optics, this lens offers a maximum aperture of f/4 and a focal length of 85mm. With manual focus and a durable metal exterior, this lens is compatible with 40.5mm filters and is a valuable addition to any photographer's collection, especially for those interested in shooting with vintage cameras.UPSDSK