Tokina AT-X 100mm f/2.8 PRO D Macro Lens Kit,for Canon EOS with Tiffen 55mm UV Filter, Professional Lens Cleaning Kit Tokina AT-X 100mm f/2.8 PRO D Macro Lens - Lens Hood - Front and Rear Caps - Tokina 3 Year USA Warranty - Bundle Includes: - Tiffen 55mm UV Filter - Professional Lens Cleaning Kit Macro lens capable of life-sized (1:1) reproduction at 11.8 in. (30 cm). Convenient focus limiter switch can lock the focus out of the closest focus, making it focus faster when used as a moderate telephoto lens that is excellent portraits as well. Tokina One Touch Focus Clutch Mechanism for fast easy switching between manual and Auto focus. Non-rotating filter thread for use with macro ring flashes and special effects filters.