Sigma 50mm F1.4 EX DG HSM Price & Specs
The build quality of the Sigma AF 50mm f/1.4 EX DG HSM lens is excellent, he focus ring operates very smooth. The HSM ("Hyper-Sonic-Motor") AF is very fast and virtually silent. It creates sharp images with high contrast and ensures superior peripheral brightness.
*Sample images attached above taken from random sources.