Features:

• Large aperature wide-angle lens offering the best optical preformance in its category
• FLD, SLD and Aspherical lens elements.Filter Size (mm)-φ77㎜
• Super Multi-Layer lens coating reduces flare and ghosting. Minimum focusing distance - 25 cm / 9.8 inch
• Angle of View (35mm) : 84.1°. Includes fast and near silent HSM autofocus, Compatible with Sigma USB Dock
• In order to avoid any malfunction problem, please operate one USB Dock per computer

Details: Focal length: 24mm aperture range: f/1.4 - f/16 Sony E; mount lens 35mm film/ full-frame digital sensor Hyper-Sonic motor focusing (HSM) FLD and special low dispersion elements two aspherical glass elements rounded 9-blade diaphragm super multi-layer coating Sigma USB dock compatible