Compare Sigma 35mm F1.4 DG HSM | Art vs Sigma 20mm F1.4 DG HSM | Art vs Sony Planar T* FE 50mm F1.4 ZA

[[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"9 blades, rounded"},{"Ft":"Construction","Fn":"Form Factor","Fv":"Wide-Angle Prime Lens"},{"Ft":"Construction","Fn":"Image Size","Fv":"Full-Frame"},{"Ft":"Construction","Fn":"Lens Barrel","Fv":"Distance scale, DoF scale"},{"Ft":"Construction","Fn":"Lens Mount","Fv":"Canon EF-mount, Nikon F-mount, Pentax K-mount, Sigma SA-mount, Sony A-mount, Sony E-mount"},{"Ft":"Construction","Fn":"Material","Fv":"Plastic barrel, metal mount"},{"Ft":"Construction","Fn":"Motor","Fv":"Ring-type ultrasonic"},{"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":"4 SLD glass elements, 1 FLD glass element, 2 aspherical elements groups"},{"Ft":"Dimensions","Fn":"Filter Diameter","Fv":"67 mm / 2.64 in"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"77 mm / 3.03 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"94 mm / 3.70 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"665 g / 23.50 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"63.5° Diagonal | 54.4° Horizontal | 37.8° Vertical"},{"Ft":"Function","Fn":"Aperture","Fv":"f/1.4 ~ f/16"},{"Ft":"Function","Fn":"Autofocus","Fv":"Yes"},{"Ft":"Function","Fn":"Focal Length","Fv":"35 mm"},{"Ft":"Function","Fn":"Focus Type","Fv":"Internal"},{"Ft":"Function","Fn":"Image Stabilization","Fv":"No"},{"Ft":"Function","Fn":"Weather Resistance","Fv":"No"},{"Ft":"Performance","Fn":"Max Magnification","Fv":"0.19x"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"300 mm / 11.81 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens Hood: LH730-03 (supplied)"},{"Ft":"Production","Fn":"Debut","Fv":"2012-09-17"},{"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":"Ultra Wide-Angle Prime 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, Sony E-mount, Leica L-mount"},{"Ft":"Construction","Fn":"Motor","Fv":"Ring-type ultrasonic"},{"Ft":"Construction","Fn":"Optical Formula | Elements","Fv":"15 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"11 groups"},{"Ft":"Construction","Fn":"Optical Formula | Special Glass","Fv":"Two FLD, five SLD elements + Super Multi-Layer coating groups"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"91 mm / 3.58 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"130 mm / 5.12 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"950 g / 33.57 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":"Image Stabilization","Fv":"No"},{"Ft":"Function","Fn":"Weather Resistance","Fv":"No"},{"Ft":"Performance","Fn":"Max Magnification","Fv":"0.14x"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"300 mm / 11.81 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens hood included"},{"Ft":"Production","Fn":"Debut","Fv":"2015-10-16"},{"Ft":"Production","Fn":"Made In","Fv":"Japan"}],[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"11 blades"},{"Ft":"Construction","Fn":"Colors","Fv":"Black"},{"Ft":"Construction","Fn":"Form Factor","Fv":"Normal Prime Lens"},{"Ft":"Construction","Fn":"Image Size","Fv":"Full-Frame"},{"Ft":"Construction","Fn":"Lens Barrel","Fv":"Physical aperture ring"},{"Ft":"Construction","Fn":"Lens Mount","Fv":"Sony E-mount"},{"Ft":"Construction","Fn":"Motor","Fv":"Ring-type ultrasonic"},{"Ft":"Construction","Fn":"Optical Formula | Elements","Fv":"12 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"9 groups"},{"Ft":"Construction","Fn":"Optical Formula | Special Glass","Fv":"2 aspherical + 1 ED element + Zeiss T* coating groups"},{"Ft":"Dimensions","Fn":"Filter Diameter","Fv":"72 mm / 2.83 in"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"84 mm / 3.31 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"108 mm / 4.25 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"778 g / 27.49 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"46.8° Diagonal | 39.6° Horizontal | 27.0° Vertical"},{"Ft":"Function","Fn":"Aperture","Fv":"f/1.4 ~ f/16"},{"Ft":"Function","Fn":"Autofocus","Fv":"Yes"},{"Ft":"Function","Fn":"Focal Length","Fv":"50 mm"},{"Ft":"Function","Fn":"Focus Type","Fv":"Internal"},{"Ft":"Function","Fn":"Image Stabilization","Fv":"No"},{"Ft":"Function","Fn":"Weather Resistance","Fv":"Yes"},{"Ft":"Performance","Fn":"Max Magnification","Fv":"0.15x"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"450 mm / 17.72 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens Hood: ALC-SH143 (supplied)"},{"Ft":"Production","Fn":"Debut","Fv":"2016-07-11"},{"Ft":"Production","Fn":"Model Name","Fv":"SEL50F14Z"}]]