Sigma Art Prime Lens: With a fast f/1.4 maximum aperture and 50mm focal length, this lens captures stunning portraits and low-light scenes with beautiful bokeh. 77mm Filter Thread

Superior Optics: Featuring three special low dispersion elements and a floating system with large diameter design, this lens delivers exceptional image quality and sharpness.

Versatile Compatibility: Available for Canon EF, Sony Alpha, Sigma SA, and Nikon F (FX) mounts, this lens can be used on a wide range of full-frame and APS-C camera bodies.

Precise Focusing: The ring-type ultrasonic AF motor allows for fast, accurate autofocus, while still permitting full-time manual focus override for added control.