The SIGMA 23mm F1.4 DC DN | Contemporary is a wide-angle lens with a large aperture, designed specifically for APS-C mirrorless cameras. It is now available for the Fujifilm X Mount. To optimize performance for X Mount interchangeable lenses, a control algorithm has been developed that includes AF drive and communication speed optimization. This lens can achieve high-speed AF and supports AF-C (Continuous AF), as well as in-camera aberration correction. Large aperture F1.4 brightness and excellent resolution from maximum aperture The SIGMA 23mm F1.4 DC DN | Contemporary has an easy-to-use angle of view equivalent to 35mm in 35mm format, as well as the brightness of a large F1.4 aperture and high descriptive power. The optics are composed of 13 elements in 10 groups, including 3 SLD glass elements and 2 aspherical lens elements, to achieve sharp, clear images. The lens delivers excellent resolving power from the maximum aperture. Furthermore, the large F1.4 aperture allows for large, beautiful bokeh effects. The compact, palm-size body allows you to enjoy the rich descriptive power of mirrorless cameras. Careful countermeasures against flare and ghosting enable clear shooting even in backlit environments. Compact body optimized for APS-C mirrorless cameras To take advantage of the mobility of APS-C mirrorless cameras, the lens body is compact and lightweight, with a weight of 335g*, length of 79.2mm*, and filter diameter of 52mm. At the same time, the quality of the lens body itself has not been compromised. Bundle Includes: Sigma 23mm F1.4 DC DN Contemporary Lens for Fujifilm X-Mount 1TB USB 3.0 External Portable Hard Drive 64GB SDXC Memory Card