Canon EF Mount Lens/Full-Frame Format
Aperture Range: f/2 to f/22
One Anomalous Partial Dispersion Element
Floating Elements Design
Carl Zeiss T* Anti-Reflective Coating
Manual Focus Design
Engraved Depth of Field/Distance Scales
All-Metal Lens Barrel
Rounded 9-Blade Diaphragm
Supports DSLR's Electronic Interface