Compare Sigma 24-70mm F2.8 DG OS HSM | Art vs Sigma 50-100mm F1.8 DC HSM | Art vs Tokina AT-X 14-20mm F2 Pro DX

[[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"9 blades"},{"Ft":"Construction","Fn":"Colors","Fv":"Black"},{"Ft":"Construction","Fn":"Form Factor","Fv":"Standard Zoom Lens"},{"Ft":"Construction","Fn":"Image Size","Fv":"Full-Frame"},{"Ft":"Construction","Fn":"Lens Barrel","Fv":"Distance scale"},{"Ft":"Construction","Fn":"Lens Mount","Fv":"Canon EF-mount, Nikon F-mount, Sigma SA-mount"},{"Ft":"Construction","Fn":"Material","Fv":"Metal"},{"Ft":"Construction","Fn":"Motor","Fv":"Ring-type ultrasonic"},{"Ft":"Construction","Fn":"Optical Formula | Elements","Fv":"19 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"14 groups"},{"Ft":"Construction","Fn":"Optical Formula | Special Glass","Fv":"Three HLD and four aspherical elements 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":"108 mm / 4.25 in"},{"Ft":"Function","Fn":"Angle Of View","Fv":"84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (wide) ~ 34.4° Diagonal | 28.8° Horizontal | 19.5° Vertical (tele)"},{"Ft":"Function","Fn":"Aperture","Fv":"f/2.8 ~ f/22"},{"Ft":"Function","Fn":"Autofocus","Fv":"Yes"},{"Ft":"Function","Fn":"Focal Length","Fv":"24 mm ~ 70 mm"},{"Ft":"Function","Fn":"Focus Type","Fv":"Internal"},{"Ft":"Function","Fn":"Image Stabilization","Fv":"Yes"},{"Ft":"Function","Fn":"Weather Resistance","Fv":"Yes"},{"Ft":"Function","Fn":"Zoom Type","Fv":"External zoom"},{"Ft":"Performance","Fn":"Max Magnification","Fv":"0.21x"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"370 mm / 14.57 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens Hood: LH876-04 (supplied)"},{"Ft":"Production","Fn":"Debut","Fv":"2017-02-21"},{"Ft":"Production","Fn":"Made In","Fv":"Japan"}],[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"9 blades, Rounded blades"},{"Ft":"Construction","Fn":"Colors","Fv":"Black"},{"Ft":"Construction","Fn":"Form Factor","Fv":"Telephoto Zoom Lens"},{"Ft":"Construction","Fn":"Image Size","Fv":"APS-C"},{"Ft":"Construction","Fn":"Lens Mount","Fv":"Canon EF-mount, Nikon F-mount, Sigma SA-mount"},{"Ft":"Construction","Fn":"Optical Formula | Elements","Fv":"21 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"15 groups"},{"Ft":"Construction","Fn":"Optical Formula | Special Glass","Fv":"Three FLD, one SLD, one HRI elements groups"},{"Ft":"Dimensions","Fn":"Filter Diameter","Fv":"82 mm / 3.23 in"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"94 mm / 3.70 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"171 mm / 6.73 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"1490 g / 52.65 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"32.2° Diagonal | 27.0° Horizontal | 18.2° Vertical (wide) ~ 16.4° Diagonal | 13.7° Horizontal | 9.1° Vertical (tele)"},{"Ft":"Function","Fn":"Aperture","Fv":"f/1.8 ~ f/16"},{"Ft":"Function","Fn":"Autofocus","Fv":"Yes"},{"Ft":"Function","Fn":"Crop Factor","Fv":"1.5"},{"Ft":"Function","Fn":"Focal Length","Fv":"50 mm ~ 100 mm"},{"Ft":"Function","Fn":"Focal Length (35mm Equivalent)","Fv":"75.0 mm ~ 150.0 mm"},{"Ft":"Function","Fn":"Image Stabilization","Fv":"No"},{"Ft":"Function","Fn":"Weather Resistance","Fv":"No"},{"Ft":"Function","Fn":"Zoom Type","Fv":"Internal zoom"},{"Ft":"Performance","Fn":"Max Magnification","Fv":"0.15x"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"950 mm / 37.40 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens hood included"},{"Ft":"Production","Fn":"Debut","Fv":"2016-02-23"},{"Ft":"Production","Fn":"Made In","Fv":"Japan"}],[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"9 blades"},{"Ft":"Construction","Fn":"Colors","Fv":"Black"},{"Ft":"Construction","Fn":"Form Factor","Fv":"Wide-Angle Zoom Lens"},{"Ft":"Construction","Fn":"Image Size","Fv":"APS-C"},{"Ft":"Construction","Fn":"Lens Barrel","Fv":"Distance scale"},{"Ft":"Construction","Fn":"Lens Mount","Fv":"Canon EF-mount, Nikon F-mount"},{"Ft":"Construction","Fn":"Optical Formula | Elements","Fv":"13 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"11 groups"},{"Ft":"Construction","Fn":"Optical Formula | Special Glass","Fv":"2 super low dispersion + multilayer film coating groups"},{"Ft":"Dimensions","Fn":"Filter Diameter","Fv":"82 mm / 3.23 in"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"89 mm / 3.50 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"106 mm / 4.17 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"725 g / 25.62 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"91.7° Diagonal | 81.2° Horizontal | 59.5° Vertical (wide) ~ 71.6° Diagonal | 61.9° Horizontal | 43.6° Vertical (tele)"},{"Ft":"Function","Fn":"Aperture","Fv":"f/2 ~ f/22"},{"Ft":"Function","Fn":"Autofocus","Fv":"Yes"},{"Ft":"Function","Fn":"Crop Factor","Fv":"1.5"},{"Ft":"Function","Fn":"Focal Length","Fv":"14 mm ~ 20 mm"},{"Ft":"Function","Fn":"Focal Length (35mm Equivalent)","Fv":"21.0 mm ~ 30.0 mm"},{"Ft":"Function","Fn":"Focus Type","Fv":"Internal"},{"Ft":"Function","Fn":"Image Stabilization","Fv":"No"},{"Ft":"Function","Fn":"Weather Resistance","Fv":"No"},{"Ft":"Function","Fn":"Zoom Type","Fv":"Internal zoom"},{"Ft":"Performance","Fn":"Max Magnification","Fv":"0.12x"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"280 mm / 11.02 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens Hood: BH-823 (supplied)"},{"Ft":"Production","Fn":"Debut","Fv":"2015-12-28"}]]