Aimed at professional landscape and architectural photographers, the new Canon EF 11-14mm f/4L USM boasts a rugged and robust exterior for shooting in all kinds of weather.Canon EF 11-24mm f/4L USM Specification: A big lens for a big DSLRBoosting their number of EF lenses to a staggering 71, the new Canon EF 11-14mm f/4L USM optic is the latest piece of glass in the Canon lineup. Launched alongside the mega-resolution 50Mp 5DS DLSR, the EF 11-14 mm is aimed at professional landscape or architectural photographers and is specifically for use with full-frame DSLRs to exploit its extreme