Compare Zeiss Biogon T* 2.8/21 ZM vs Leica Summilux-M 35mm F1.4 ASPH vs Leica Summicron-M 50mm F2

[[{"Ft":"Construction","Fn":"Colors","Fv":"Silver or 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, DoF scale"},{"Ft":"Construction","Fn":"Lens Mount","Fv":"Leica M-mount"},{"Ft":"Construction","Fn":"Material","Fv":"metal barrel, metal mount"},{"Ft":"Construction","Fn":"Optical Formula | Elements","Fv":"9 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"7 groups"},{"Ft":"Dimensions","Fn":"Filter Diameter","Fv":"46 mm / 1.81 in"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"53 mm / 2.09 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"75 mm / 2.95 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"280 g / 9.89 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"91.7° Diagonal | 81.2° Horizontal | 59.5° Vertical"},{"Ft":"Function","Fn":"Aperture","Fv":"f/2.8 ~ f/22"},{"Ft":"Function","Fn":"Autofocus","Fv":"No"},{"Ft":"Function","Fn":"Focal Length","Fv":"21 mm"},{"Ft":"Function","Fn":"Image Stabilization","Fv":"No"},{"Ft":"Performance","Fn":"Max Magnification","Fv":"0.048"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"500 mm / 19.69 in"}],[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"9 blades, With click-stops, half values available"},{"Ft":"Construction","Fn":"Form Factor","Fv":"Wide-Angle Prime Lens"},{"Ft":"Construction","Fn":"Image Size","Fv":"Full-Frame"},{"Ft":"Construction","Fn":"Lens Barrel","Fv":"Physical aperture ring, Distance scale, DoF scale"},{"Ft":"Construction","Fn":"Lens Mount","Fv":"Leica M-mount"},{"Ft":"Construction","Fn":"Material","Fv":"metal barrel, metal mount"},{"Ft":"Construction","Fn":"Optical Formula | Elements","Fv":"9 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"5 groups"},{"Ft":"Construction","Fn":"Optical Formula | Special Glass","Fv":"1 aspherical element groups"},{"Ft":"Dimensions","Fn":"Filter Diameter","Fv":"46 mm / 1.81 in"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"56 mm / 2.20 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"46 mm / 1.81 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"320 g / 11.31 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":"No"},{"Ft":"Function","Fn":"Focal Length","Fv":"35 mm"},{"Ft":"Function","Fn":"Image Stabilization","Fv":"No"},{"Ft":"Performance","Fn":"Max Magnification","Fv":"0.057x"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"700 mm / 27.56 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens hood included"},{"Ft":"Production","Fn":"Debut","Fv":"2010-05-17"},{"Ft":"Production","Fn":"Made In","Fv":"Germany"}],[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"8 blades, with clickstops (including half values), manual diaphragm"},{"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, Distance scale, DoF scale"},{"Ft":"Construction","Fn":"Lens Mount","Fv":"Leica M-mount"},{"Ft":"Construction","Fn":"Optical Formula | Elements","Fv":"6 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"4 groups"},{"Ft":"Dimensions","Fn":"Filter Diameter","Fv":"39 mm / 1.54 in"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"53 mm / 2.09 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"44 mm / 1.73 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"240 g / 8.48 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"46.8° Diagonal | 39.6° Horizontal | 27.0° Vertical"},{"Ft":"Function","Fn":"Aperture","Fv":"f/2 ~ f/16"},{"Ft":"Function","Fn":"Autofocus","Fv":"No"},{"Ft":"Function","Fn":"Focal Length","Fv":"50 mm"},{"Ft":"Function","Fn":"Image Stabilization","Fv":"No"},{"Ft":"Performance","Fn":"Max Magnification","Fv":"0.087x"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"700 mm / 27.56 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens hood included"},{"Ft":"Production","Fn":"Made In","Fv":"Germany"}]]