The Sigma 50mm f/1.4 EX DG HSM Lens is a large aperture prime lens with a standard focal length of 50mm.
This lens has superior peripheral brightness even at the maximum aperture and corrects a possible sagittal coma flare.

This lens is perfectly suited for a wide range of subjects enabling outstanding, sharply defined images against a nicely blurred background. The fast, F1.4 aperture makes this lens desirable for use with Digital SLR cameras.

This lens effectively becomes an 80mm medium telephoto lens on digital cameras with APS-C size image sensors. The optimum optical design and molded glass aspherical lens element provide excellent correction for all types of aberrations.

The super multi-layer lens coating reduces fare and ghosting. Superior optical performance is also ensured throughout the focusing range. This lens has a minimum focusing distance of 45cm (17.7") and has maximum magnification of 1:7.4.

It creates a very attractive blur, even when a small aperture is used. This lens incorporates HSM (Hyper Sonic Motor), which ensures a quiet and high-speed AF as well as full-time manual focus override.

The Sigma 50mm f/1.4 is commonly used for General purpose, Landscape/scenery, Low light, Night photography, Portraits, Sports/action, Weddings and more.The Sigma 50mm f/1.4 is most used by customers who consider themselves to be a Photo enthusiast, Semi-pro photographer among others.The Sigma 50mm f/1.4 is popular because customers like the following qualities of the Sigma 50mm f/1.4: Consistent output, Durable, Easily interchangeable, Fast / accurate auto-focus, Nice bokeh, Rugged and Strong construction

Sigma 50mm f/1.4 EX DG HSM Features
Large Aperature, standard prime lens, has superior peripheral brightness and corrects the sagittal coma fare
Standard lens with large maximum aperture of F1.4.
Creates sharp images with high contrast and ensures superior peripheral brightness
Incorporates molded glass aspherical lens, perfectly correcting coma aberration and creating superior image quality.
Super multi-layer lens coating reduces fare and ghosting.
Hyper Sonic Motor (HSM) ensuring silent, high-speed AF.