INCLUDED - Sigma 15mm f/1.4 DG DN Fisheye Lens, lens caps, tripod socket, protective cover, case, lens wrap, lens shade, lens pen, cleaning kit, lens cap tether, & cleaning cloth. SUPERIOR IMAGE QUALITY - Experience exceptional sharpness and clarity across the entire frame, thanks to advanced optics and minimized distortion in this fisheye lens. ULTRA-WIDE PERSPECTIVE - Capture breathtaking 180° diagonal angle of view, perfect for immersive landscapes, unique perspectives, and creative visual storytelling. FAST F/1.4 APERTURE - Achieve stunning low-light performance and beautiful bokeh, ideal for astrophotography and creating dramatic, shallow depth-of-field effects.