SIGMA 18-50mm F2.8 DCDN L-Mount This is a Leica mount! I purchased this but rarely used it, only indoors. A nearly unused, genuine Sigma filter is also included. (Sigma) SIGMA Camera Filter PROTECTER 55mm *The L-mount category is unavailable, so it is listed under X-mount. [Items Included] ・Lens body ・Hood ・Front cap ・Rear cap ・Outer box ・Instruction manual ・Warranty ・Delivery note ・SIGMA Camera Filter PROTECTER 55mm Mount...Leica L-mount series SIGMA 18-50mm F2.8 DC DN | Contemporary L-mount Brand: Sigma Contemporary Lens type: Zoom Focal range: Wide-angle, Standard, Telephoto Optical zoom: 2.7x Focus: Autofocus Mount: Leica L Compatible sensor size (max): APS-C Focal length (wide): 18.0 mm Focal length (telephoto): 50.0 mm Maximum aperture: F2.8 Minimum shooting distance (m): 0.121 m Features of interchangeable lenses: Circular aperture Image stabilization: None Filter compatibility: Compatible Filter diameter: 55.0 mm Dimensions (maximum diameter): 65.4 mm Dimensions (length): 74.5 mm Weight (g): 290.0 g Color: Black