This is the SIGMA 16mm F1.4 DC DN wide-angle lens. It's for APS-C cameras like the SONY α6400 and ZV-E10. It's a moderately wide-angle lens, so it can be used for anything, such as snapshots, portraits, and landscape photography. It's in beautiful condition with no noticeable scratches. I don't have any plans to discount the price at the moment. SIGMA 16mm F1.4 DC DN | Contemporary Sony E Brand: Sigma Contemporary Focus: Autofocus Filter diameter: 67 mm Compatible sensor size (max): APS-C Optical zoom: 1x Mount: Sony E Focal length (wide): 16 mm Focal length (telephoto): 16 mm Maximum aperture: 1.4 F Minimum shooting distance (m): 0.25 m Features of interchangeable lenses: Circular aperture Dust/moisture resistance: Moisture-resistant, Dust-resistant Filter compatibility: Compatible Dimensions (maximum diameter): 72.2 mm Dimensions (length): 92.3 mm Weight (g): 405 g Image stabilization: None Color: Black Lens type: Single focal length Focal range: Wide-angle Color: Black