Compare Sigma 20mm F1.4 DG DN Art

[[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"11 blades, Rounded"},{"Ft":"Construction","Fn":"Colors","Fv":"Black"},{"Ft":"Construction","Fn":"Form Factor","Fv":"Ultra Wide-Angle Prime Lens"},{"Ft":"Construction","Fn":"Lens Barrel","Fv":"Physical aperture ring"},{"Ft":"Construction","Fn":"Lens Mount","Fv":"Leica L-mount, Sony E-mount"},{"Ft":"Construction","Fn":"Material","Fv":"Aluminum, Thermally Stable Composite (TSC)"},{"Ft":"Construction","Fn":"Motor","Fv":"Stepper motor"},{"Ft":"Construction","Fn":"Optical Formula | Elements","Fv":"17 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"15 groups"},{"Ft":"Construction","Fn":"Optical Formula | Special Glass","Fv":"Two Super-Low Dispersion elements, three aspherical elements, Super Multi-Layer coating, and water- and oil-resistant coating. groups"},{"Ft":"Dimensions","Fn":"Filter Diameter","Fv":"82 mm / 3.23 in"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"88 mm / 3.46 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"111 mm / 4.37 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"635 g / 22.44 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical"},{"Ft":"Function","Fn":"Aperture","Fv":"f/1.4 ~ f/16"},{"Ft":"Function","Fn":"Autofocus","Fv":"Yes"},{"Ft":"Function","Fn":"Focal Length","Fv":"20 mm"},{"Ft":"Function","Fn":"Focus Type","Fv":"Internal"},{"Ft":"Function","Fn":"Weather Resistance","Fv":"Yes"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"230 mm / 9.06 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens Hood: LH898-04 (supplied)"},{"Ft":"Production","Fn":"Debut","Fv":"2022-08-08"}]]