INCLUDED - Tamron 17-28mm f/2.8 Lens, front/rear caps, 6yr warranty, ProOptic 67mm filter kit, cleaning kit, lens cap tether, PC software suite, & neoprene pouch. SUPERIOR IMAGING - Experience exceptional image quality with a constant f/2.8 aperture, ensuring bright, clear photos and videos across the entire 17-28mm zoom range. ULTRA-WIDE PERSPECTIVE - Capture expansive landscapes and dynamic perspectives with the 17-28mm focal length, perfect for creative compositions and immersive storytelling. FAST AUTOFOCUS - The RXD stepping motor delivers quick, quiet, and precise autofocus, ideal for both stills and video, ensuring you never miss a crucial moment.