Canon EF Mount/APS-C Format
80-160mm (35mm Equivalent)
Aperture Range: f/1.8 to f/16
One SLD and Three FLD Elements
One High-Refractive Index Element
Super Multi-Layer Coating
Hyper Sonic AF Motor
Internal Zoom and Focus; MF Override
Rounded 9-Blade Polycarbonate Diaphragm
Fixed, Rotating Tripod Collar