INCLUDED - Sigma 18-50mm f/2.8 Lens, Front & Rear Caps, Hood, 4-Year Warranty, ProOptic Filter Kit, Lens Cleaner/Wrap, Sling Strap, Cleaning Kit, & PC Software Suite for immediate use. SUPERIOR IMAGES - Experience exceptional clarity with a constant f/2.8 aperture, perfect for low-light conditions and achieving beautiful bokeh. Capture stunning detail across the entire zoom range. VERSATILE ZOOM - The 18-50mm focal length offers a wide range of shooting options, from landscapes to portraits. Its compact size makes it an ideal travel companion for everyday photography. ADVANCED OPTICS - Constructed with 13 elements in 10 groups, including FLD, SLD, and aspherical lenses, minimizing aberrations for sharp, clear images with outstanding color accuracy.