Compatible with the APS-C-format Sony E-mount series mirrorless cameras, the Sigma 30 mm f/1.4 DC DN Lens is a fast, versatile piece of equipment that offers an equivalent focal length of 45 mm. It features a fast aperture that performs well even in low-light conditions and provides a greater focus control for producing shallow depth of field effects. The single aspherical element and the double-sided aspherical element come in handy to control a variety of spherical distortions and aberrations to provide your subjects with an increased resolution and sharpness. Also, the stepping AF motor is capable of delivering a near-silent performance that is fast and precise.