Compare Samyang 12mm F2.8 ED AS NCS Fisheye vs Samyang 20mm F1.8 ED AS UMC vs Voigtlander 50mm / 1:2.0 APO-Lanthar aspherical VM

[[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"7 blades, Circular 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":"Physical aperture ring, Distance scale"},{"Ft":"Construction","Fn":"Lens Mount","Fv":"Canon EF-mount, Nikon F-mount, Pentax K-mount, Sony A-mount, Sony E-mount"},{"Ft":"Construction","Fn":"Optical Formula | Elements","Fv":"12 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"8 groups"},{"Ft":"Construction","Fn":"Optical Formula | Special Glass","Fv":"2 aspherical, 3 ED, nano coating system groups"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"77 mm / 3.03 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"73 mm / 2.87 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"515 g / 18.20 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"180° Diagonal (fisheye)"},{"Ft":"Function","Fn":"Aperture","Fv":"f/2.8 ~ f/22"},{"Ft":"Function","Fn":"Autofocus","Fv":"No"},{"Ft":"Function","Fn":"Focal Length","Fv":"12 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":"Min Focus Distance","Fv":"200 mm / 7.87 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens hood included"},{"Ft":"Production","Fn":"Debut","Fv":"2014-11-01"}],[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"7 blades"},{"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":"Physical aperture ring, Distance scale"},{"Ft":"Construction","Fn":"Lens Mount","Fv":"Canon EF-mount, Canon EF-M-mount, Fujifilm X-mount, Micro Four Thirds-mount, Nikon F-mount, Pentax K-mount, Samsung NX-mount, Sony A-mount, Sony E-mount"},{"Ft":"Construction","Fn":"Optical Formula | Elements","Fv":"13 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"12 groups"},{"Ft":"Construction","Fn":"Optical Formula | Special Glass","Fv":"Two aspherical + 3 ED elements, Ultra Multi Coating groups"},{"Ft":"Dimensions","Fn":"Filter Diameter","Fv":"77 mm / 3.03 in"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"83 mm / 3.27 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"88 mm / 3.46 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"497 g / 17.56 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical"},{"Ft":"Function","Fn":"Aperture","Fv":"f/1.8 ~ f/22"},{"Ft":"Function","Fn":"Autofocus","Fv":"No"},{"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":"Min Focus Distance","Fv":"200 mm / 7.87 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens hood included"},{"Ft":"Production","Fn":"Debut","Fv":"2016-08-08"}],[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"12, Straight"},{"Ft":"Construction","Fn":"Image Size","Fv":"Full-frame"},{"Ft":"Construction","Fn":"Lens Mount","Fv":"M-mount (VM)"},{"Ft":"Construction","Fn":"Optical Formula | Elements","Fv":"10 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"8 groups"},{"Ft":"Dimensions","Fn":"Filter Diameter","Fv":"49 mm"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"55.6 mm"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"53 mm"},{"Ft":"Dimensions","Fn":"Weight","Fv":"288 g"},{"Ft":"Function","Fn":"Angle Of View","Fv":"46.2°"},{"Ft":"Function","Fn":"Aperture","Fv":"F/2 - f/16"},{"Ft":"Function","Fn":"Focal Length","Fv":"50 mm"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"0.7 m"},{"Ft":"Production","Fn":"Debut","Fv":"2020-04"},{"Ft":"Production","Fn":"Made In","Fv":"Japan"}]]