Sigma 30mm f/1.4 DC DN Contemporary Lens for Sony E Mount

Sigma 30mm f/1.4 DC DN for Sony E Mount APS-C Sensor Cameras The Sigma 30mm f/1.4 DC DN Contemporary is the first high-performance, economical f/1.4 lens for micro four thirds and Sony e-Mount mirrorless cameras (APS-C format).  With nine rounded aperture blades, a stepping ring motor, and a compact design, this lens will be in high demand for its perfect pairing of performance and pricing. Represents first affordable f/1.4 performance lens for the mirrorless market Sigma engineered quality within a sleek compact design Fast, smooth AF stepping motor designed to support video Features one aspherical element and one double-sided aspherical element producing imaging quality comparable to the Art line Lens Construction 9 Elements in 7 Groups Angle of View 50.7º Number of Diaphragm Blades         9 (Rounded) Mininum Aperture f/16 Minimum Focusing Distance 11.8 in Filter Size (mm) 52mm Maximum Magnifications 1: 7 Dimensions (Diameter x Length) 2.6in x 2.9 in Weight  9.3 oz