http://t.co/YajvxwD1 -
Best Price Review - Canon EF 50mm f 1.2 L USM Lens for Canon Digital SLR Cameras
High-performance, weather-resistant standard lens
AF with full-time manual focus
50mm focal length
f1.2 Maximum aperture; 72mm filter size
UltraSonic Motor (USM)
The focal length is 50mm
