Tamron 11-20mm F/2.8 Di III-A RXD Lens For Canon RF Mount KITCHEN 20 elements in 13 groups

20 elements in 13 groups including one XLD (eXtra Low Dispersion) and an LD (Low Dispersion)

HIGH-PRECISION BRUSHLESS MOTOR

Accurate focus is more easily achieved for stills and movies

and sharpness

Material of Construction Carbon Fiber and Aluminum

Tamron 11-20mm F/2.8 Di III-A RXD Lens For Canon RF Mount KITCHEN 20 elements in 13 groupsTamron 11 20mm F 2. 8 Di III A RXD Lens for Canon RF Mount APS C f 2. 8 to f 16 18 32mm (35mm Equivalent) Fast Ultra Wide Angle Zoom Rapid eXtra Silent Stepping Drive Motor 1x XLD, 2x GM Asph., and 2x LD Elements BBAR G2 Lens Coating Weather Sealed Construction Rounded 7 Blade Diaphragm Features AF MF switch and Connector Port for firmware updates 67mm Filter Diameter The Tamron 11 20mm f 2. 8 Di III A RXD marks Tamrons first entry into the Canon RF