Canon 2X Extender EF III Lenses along with optimized focusing algorithms

along with optimized focusing algorithms and a high-speed CPU

7 fps Shooting for 51 Frames with AE/AF

4G Lens is a standard lens with an ultra-bright f/1

The rotation-type zoom ring offers precise adjustment between zoom positions

Canon 2X Extender EF III Lenses along with optimized focusing algorithmsIN STOCK & READY TO SHIP!!! EF Mount Teleconverter 2. 0x Magnification Factor Microcomputer Controlled Communication Between Lens & Camera Spectra Coating Reduces Ghosting Flare Protective Fluorine Coating Dust and Water Resistant Compatible with Select EF Mount Lenses Impor Model 1 Yr Parts & 30 Day Labor Warranty via Seller The Extender 2X EF III from Canon is designed for select Canon EF mount L series telephoto lenses. It increases the focal