The Vintage Cambron MC 1:5.6-7.1 f=100mm-500mm No. 914367 Auto Zoom 72mm Lens is a manual focus zoom lens designed for Nikon F mount cameras. Produced by Samyang, this lens offers a maximum aperture of f5.6-7.1 and a focal length range of 100-500mm. Its vintage design and manual focus feature make it a unique and versatile addition to any photographer's equipment, allowing for capturing a wide range of subjects with precision and creativity. See pictures. C48