Compare Sigma 18-35mm F1.8 DC HSM | Art vs Tokina AT-X 10-17mm F3.5-4.5 DX Fisheye vs Tokina AT-X 14-20mm F2 Pro DX

[[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"9 blades, Rounded diaphragm"},{"Ft":"Construction","Fn":"Form Factor","Fv":"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, Pentax K-mount, Sigma SA-mount, Sony A-mount"},{"Ft":"Construction","Fn":"Motor","Fv":"Ring-type ultrasonic"},{"Ft":"Construction","Fn":"Optical Formula | Elements","Fv":"17 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"12 groups"},{"Ft":"Construction","Fn":"Optical Formula | Special Glass","Fv":"5 SLD glass elements, 4 glassmold aspherical elements groups"},{"Ft":"Dimensions","Fn":"Filter Diameter","Fv":"72 mm / 2.83 in"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"78 mm / 3.07 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"121 mm / 4.76 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"810 g / 28.62 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (wide) ~ 44.8° Diagonal | 37.8° Horizontal | 25.8° 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":"18 mm ~ 35 mm"},{"Ft":"Function","Fn":"Focal Length (35mm Equivalent)","Fv":"27.0 mm ~ 52.5 mm"},{"Ft":"Function","Fn":"Focus Type","Fv":"Internal"},{"Ft":"Function","Fn":"Image Stabilization","Fv":"No"},{"Ft":"Function","Fn":"Zoom Type","Fv":"Internal zoom"},{"Ft":"Performance","Fn":"Max Magnification","Fv":"0.23x"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"280 mm / 11.02 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens Hood: LH780-03 (supplied)"},{"Ft":"Production","Fn":"Debut","Fv":"2013-04-18"},{"Ft":"Production","Fn":"Made In","Fv":"Japan"}],[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"6 blades"},{"Ft":"Construction","Fn":"Colors","Fv":"Black"},{"Ft":"Construction","Fn":"Form Factor","Fv":"Ultra Wide-Angle Zoom Lens"},{"Ft":"Construction","Fn":"Image Size","Fv":"APS-C"},{"Ft":"Construction","Fn":"Lens Barrel","Fv":"Distance scale, DoF scale"},{"Ft":"Construction","Fn":"Lens Mount","Fv":"Canon EF-mount, Nikon F-mount"},{"Ft":"Construction","Fn":"Motor","Fv":"Screw drive from camera"},{"Ft":"Construction","Fn":"Optical Formula | Elements","Fv":"10 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"8 groups"},{"Ft":"Construction","Fn":"Optical Formula | Special Glass","Fv":"SD element groups"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"70 mm / 2.76 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"71 mm / 2.80 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"350 g / 12.37 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"180° Diagonal ~ 100° Diagonal (fisheye)"},{"Ft":"Function","Fn":"Aperture","Fv":"f/3.5–4.5 ~ f/22"},{"Ft":"Function","Fn":"Autofocus","Fv":"Yes"},{"Ft":"Function","Fn":"Crop Factor","Fv":"1.5"},{"Ft":"Function","Fn":"Focal Length","Fv":"10 mm ~ 17 mm"},{"Ft":"Function","Fn":"Focal Length (35mm Equivalent)","Fv":"15.0 mm ~ 25.5 mm"},{"Ft":"Function","Fn":"Focus Type","Fv":"Extending front"},{"Ft":"Function","Fn":"Image Stabilization","Fv":"No"},{"Ft":"Function","Fn":"Weather Resistance","Fv":"No"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"140 mm / 5.51 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens Hood: built-in hood (supplied)"},{"Ft":"Production","Fn":"Debut","Fv":"2011-06-12"}],[{"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"}]]