Compare Sigma 24-70mm F2.8 DG OS HSM | Art vs Sigma 17-70mm F2.8-4 DC Macro OS HSM | Contemporary vs Leica Vario-Elmar-TL 18-56mm F3.5-5.6

[[{"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":"7 blades, rounded"},{"Ft":"Construction","Fn":"Form Factor","Fv":"Standard 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":"Material","Fv":"Plastic barrel, metal mount"},{"Ft":"Construction","Fn":"Motor","Fv":"Micro-type ultrasonic"},{"Ft":"Construction","Fn":"Optical Formula | Elements","Fv":"16 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"14 groups"},{"Ft":"Construction","Fn":"Optical Formula | Special Glass","Fv":"2 FLD (\u0026#34;F\u0026#34; Low Dispersion) glass elements, 1 SLD (Special Low Dispersion) glass element, 3 aspherical glass lenses including double sided aspherical lens groups"},{"Ft":"Dimensions","Fn":"Filter Diameter","Fv":"72 mm / 2.83 in"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"79 mm / 3.11 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"82 mm / 3.23 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"465 g / 16.43 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"80.7° Diagonal | 70.4° Horizontal | 50.4° Vertical (wide) ~ 23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical (tele)"},{"Ft":"Function","Fn":"Aperture","Fv":"f/2.8–4 ~ f/22"},{"Ft":"Function","Fn":"Autofocus","Fv":"Yes"},{"Ft":"Function","Fn":"Crop Factor","Fv":"1.5"},{"Ft":"Function","Fn":"Focal Length","Fv":"17 mm ~ 70 mm"},{"Ft":"Function","Fn":"Focal Length (35mm Equivalent)","Fv":"25.5 mm ~ 105.0 mm"},{"Ft":"Function","Fn":"Focus Type","Fv":"Internal"},{"Ft":"Function","Fn":"Image Stabilization","Fv":"Yes"},{"Ft":"Function","Fn":"Zoom Type","Fv":"External zoom"},{"Ft":"Performance","Fn":"Max Magnification","Fv":"0.36x"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"220 mm / 8.66 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens Hood: LH780-03 (supplied)"},{"Ft":"Production","Fn":"Debut","Fv":"2012-09-17"},{"Ft":"Production","Fn":"Made In","Fv":"Japan"}],[{"Ft":"Construction","Fn":"Form Factor","Fv":"Standard Zoom Lens"},{"Ft":"Construction","Fn":"Image Size","Fv":"APS-C"},{"Ft":"Construction","Fn":"Lens Mount","Fv":"Leica L-mount"},{"Ft":"Construction","Fn":"Motor","Fv":"Stepper motor"},{"Ft":"Construction","Fn":"Optical Formula | Elements","Fv":"10 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"7 groups"},{"Ft":"Construction","Fn":"Optical Formula | Special Glass","Fv":"4 aspherical surfaces groups"},{"Ft":"Dimensions","Fn":"Filter Diameter","Fv":"52 mm / 2.05 in"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"63 mm / 2.48 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"60 mm / 2.36 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"256 g / 9.05 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (wide) / 28.9° Diagonal | 24.2° Horizontal | 16.3° Vertical (tele)"},{"Ft":"Function","Fn":"Aperture","Fv":"f/3.5–5.6 ~ f/16"},{"Ft":"Function","Fn":"Autofocus","Fv":"Yes"},{"Ft":"Function","Fn":"Crop Factor","Fv":"1.5"},{"Ft":"Function","Fn":"Focal Length","Fv":"18 mm ~ 56 mm"},{"Ft":"Function","Fn":"Focal Length (35mm Equivalent)","Fv":"27.0 mm ~ 84.0 mm"},{"Ft":"Function","Fn":"Focus Type","Fv":"Internal"},{"Ft":"Function","Fn":"Image Stabilization","Fv":"No"},{"Ft":"Function","Fn":"Zoom Type","Fv":"External zoom"},{"Ft":"Performance","Fn":"Max Magnification","Fv":"0.13x"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"450 mm / 17.72 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens hood included"},{"Ft":"Production","Fn":"Debut","Fv":"2014-04-24"},{"Ft":"Production","Fn":"Made In","Fv":"Germany"}]]