This all-new 30mm F1.4 lens from SIGMA delivers the performance and functionality that help pros succeed in news, nature, and many other fields of photography. Versatile standard prime 30mm lens which is designed for APS-C-format Sony E-mount mirrorless cameras where it provides a 45mm equivalent focal length. Stepping AF motor benefits both photographers and videographers with its fast, precise, and near-silent performance. One aspherical element and one double-sided aspherical element control a range of spherical aberrations and distortions for increased sharpness and resolution. Super Multi-Layer Coating has been applied to lens elements in order to minimize lens flare and ghosting and contribute to producing contrast-rich and color-neutral imagery, even in backlit conditions.