The light-sensitive standard lens Sigma 30mm F1.4 DC DN | Contemporary allows users of mirrorless cameras to enjoy photography with a maximum aperture of F1.4. Particularly appealing is the beautiful bokeh that can only be achieved with a fast lens, along with the exceptionally precise optical performance that characterizes a top-class prime lens. The latest technologies and design considerations, characteristic of the Contemporary product line concept, are well balanced in this new lens. A prime lens that offers a focal length similar to that of the human eye at approximately 50mm and an aperture of F1.4. The shallow depth of field at wide open aperture provides photographers with ideal conditions for captivating portraits and still lifes. For landscape shots or snapshots, a smaller aperture with greater depth of field can be chosen. Standard lenses offer a wide range of photographic applications and have been a staple for photographers for decades. This standard lens provides a 35mm equivalent focal length of 60mm on the Micro Four Thirds system and 45mm on the Sony E-Mount system. Sigma lenses labeled "DC" deliver optimal performance on cameras with APS-C image sensors. Using a DC lens on a full-frame camera inevitably leads to vignetting. For optimal results, the active image area of the sensor should be matched to the image circle of the lens. Sigma lenses labeled "DN" offer optimal performance in conjunction with cameras that have a short flange distance.