The Sigma 56mm f/1.4 DG DN Lens comes with all the manufacturer accessories and a 4-year Sigma USA warranty along with a 17-piece bundle which includes a Sandisk Extreme 64GB SDXC card, 3 piece filter kit, wrist strap, memory card reader, memory card case, mini tripod, lens cap keeper, lens pen, dust brush, air blower, 3"x5" lens tissues (50), empty bottle, standard microfiber cloths (2), large microfiber cloth. | LOW LIGHT - The lens is characterized by its bright f/1.4 maximum aperture, which suits working in difficult lighting conditions and also offers improved control over depth of field for isolating subjects and working with selective focus techniques. | OPTICS - The optical design utilizes two aspherical elements and one SLD element, which help to reduce both spherical and chromatic aberrations for greater sharpness and clarity. A Super Multi-Layer Coating has also been applied to suppress flare and ghosting in order to achieve more contrast and color accuracy when working in strong lighting conditions. | FOCUS - A stepping AF motor benefits both photographers and videographers with its fast, precise, and near-silent performance. A rounded nine-blade diaphragm contributes to a pleasing bokeh quality. | COMPATIBILITY - Olympus OM-D OM-1, E-M1 Mark II, E-M1 Mark III, E-M10 Mark II, E-M10 Mark III, E-M1X, E-M5 Mark II, E-M5 Mark III, PEN E-PL10, E-PL8, E-PL9, PEN-F, Panasonic Lumix DC-G9, DC-G95, DC-GH5, DC-GH5S, DC-GX850, DC-GX9, DMC-G6, DMC-G7, DMC-G85, DMC-GH4, DMC-GX8, DMC-GX85