INCLUDED - Sigma 16mm f/1.4 Lens, 67mm Filter Kit, Lens Hood, Lens Cap, Rear Cap, Cleaning Kit, Cap Keeper, Flex Lens Shade, Lens Cleaner, Corel Mac Essentials Suite, and Sigma 4 Year Warranty. SUPERIOR IMAGE QUALITY - Experience exceptional sharpness and clarity across the entire frame, thanks to the lens's advanced optical design and high-quality glass elements. Capture stunning detail! ULTRA-WIDE PERSPECTIVE - The 16mm focal length (24mm equivalent) offers a broad field of view, perfect for landscapes, architecture, and creative compositions. Expand your visual storytelling. BEAUTIFUL BOKEH - Achieve smooth and pleasing background blur with the wide f/1.4 aperture and 9-blade rounded diaphragm. Isolate your subjects and create a professional, artistic look.