Tokina AT-X 50-250mm F/4-5.6 Manual Zoom Lens With Macro Canon FD MountTokina AT X 50 250mm focal length, F 4 5. 6 aperture, manual settings, Canon FD lens mount. Lens is excellent showing little signs of use and cosmetic wear. Glass has no cracks, scratches, or dust present. Zoom and focus rings work smoothly with appropriate amount of resistance. Aperture functions properly with no blade overlapping or damage of sorts. Lens lens mount system works as should. Nice versatile zoom lens for Canon FD mount systems such as