Canon EF 50mm f/1.2L USM

The Canon EF 50mm F1.2L USM is an exceptionally fast standard lens for Canon's full-frame and APS-C format DSLRs. The fastest lens in Canon's lineup (and anyone else's for that matter, at time of writing) this weather-sealed 50mm is a favorite of available light freaks and wedding and event photographers who use its incredibly shallow depth-of-field for creative effect. Optical construction comprises eight elements (a lot for a 50mm) in six groups, with one large aspherical element to keep aberrations under control. Wide-aperture images from this big, expensive, beautiful lens have a distinctive look. Distinctive enough that you might want to start saving up your pennies...