Sigma 50mm f/1.4 EX DG HSM Autofocus Lens for Canon SLR

Compared to the Canon 50mm f1.4, this lens is far superior. The clean bokeh it gives out is worth more than it's costs, especially when you compare it against the Canon 50 1.4. This lens is worth the extra cost. It may not be comparable to a Canon L...

Designed for use with full frame digital cameras. May also be used with smaller APS-C size sensors with a corresponding effective increase in focal length to about 90mm with most cameras HSM (Hyper-Sonic Motor) ensures a quiet & high-speed auto focus...

Let me start by explaining my score of 4 on image quality. If I had the option I would give it a 4.8 rather than a perfect 5. When the aperture is wide open at f/1.4 images get 'creamy all over'. But with the right light this effect can be absolutely...