Compare Samyang 21mm F1.4 ED AS UMC CS vs Samyang 16mm F2 ED AS UMC CS vs Canon EF-S 10-18mm F4.5–5.6 IS STM

[[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"9 blades, Circular blades"},{"Ft":"Construction","Fn":"Colors","Fv":"Black"},{"Ft":"Construction","Fn":"Form Factor","Fv":"Wide-Angle Prime Lens"},{"Ft":"Construction","Fn":"Image Size","Fv":"APS-C"},{"Ft":"Construction","Fn":"Lens Barrel","Fv":"Physical aperture ring, Distance scale, DoF scale"},{"Ft":"Construction","Fn":"Lens Mount","Fv":"Canon EF-M-mount, Fujifilm X-mount, Micro Four Thirds-mount, Sony E-mount"},{"Ft":"Construction","Fn":"Optical Formula | Elements","Fv":"8 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"7 groups"},{"Ft":"Construction","Fn":"Optical Formula | Special Glass","Fv":"3 aspherical and 2 ED elements + Ultra Multi Coating groups"},{"Ft":"Dimensions","Fn":"Filter Diameter","Fv":"58 mm / 2.28 in"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"64 mm / 2.52 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"68 mm / 2.68 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"275 g / 9.72 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"69.0° Diagonal | 59.5° Horizontal | 41.7° Vertical"},{"Ft":"Function","Fn":"Aperture","Fv":"f/1.4 ~ f/22"},{"Ft":"Function","Fn":"Autofocus","Fv":"No"},{"Ft":"Function","Fn":"Crop Factor","Fv":"1.5"},{"Ft":"Function","Fn":"Focal Length","Fv":"21 mm"},{"Ft":"Function","Fn":"Focal Length (35mm Equivalent)","Fv":"31.5 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":"280 mm / 11.02 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens hood included"},{"Ft":"Production","Fn":"Debut","Fv":"2015-09-21"}],[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"8 blades"},{"Ft":"Construction","Fn":"Form Factor","Fv":"Wide-Angle Prime Lens"},{"Ft":"Construction","Fn":"Image Size","Fv":"APS-C"},{"Ft":"Construction","Fn":"Lens Barrel","Fv":"Physical aperture ring, Distance scale"},{"Ft":"Construction","Fn":"Lens Mount","Fv":"Canon EF-M-mount, Canon EF-mount, Micro Four Thirds-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":"Material","Fv":"Metal barrel, metal 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":"1 ED glass element, 1 aspheric element, 1 hybrid aspheric element 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":"89 mm / 3.50 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"583 g / 20.60 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical"},{"Ft":"Function","Fn":"Aperture","Fv":"f/2 ~ f/22"},{"Ft":"Function","Fn":"Autofocus","Fv":"No"},{"Ft":"Function","Fn":"Crop Factor","Fv":"1.5"},{"Ft":"Function","Fn":"Focal Length","Fv":"16 mm"},{"Ft":"Function","Fn":"Focal Length (35mm Equivalent)","Fv":"24.0 mm"},{"Ft":"Function","Fn":"Image Stabilization","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":"2013-06-13"}],[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"7 blades"},{"Ft":"Construction","Fn":"Form Factor","Fv":"Ultra Wide-Angle Zoom Lens"},{"Ft":"Construction","Fn":"Image Size","Fv":"APS-C"},{"Ft":"Construction","Fn":"Lens Mount","Fv":"Canon EF-mount"},{"Ft":"Construction","Fn":"Motor","Fv":"Stepper motor"},{"Ft":"Construction","Fn":"Optical Formula | Elements","Fv":"14 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"11 groups"},{"Ft":"Construction","Fn":"Optical Formula | Special Glass","Fv":"UD lens element and enhanced lens coatings groups"},{"Ft":"Dimensions","Fn":"Filter Diameter","Fv":"67 mm / 2.64 in"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"75 mm / 2.95 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"72 mm / 2.83 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"240 g / 8.48 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"107.1° Diagonal | 96.7° Horizontal | 73.7° Vertical (wide) ~ 73.9° Diagonal | 64.0° Horizontal | 45.2° Vertical (tele)"},{"Ft":"Function","Fn":"Aperture","Fv":"f/4.5–5.6 ~ f/22–29"},{"Ft":"Function","Fn":"Autofocus","Fv":"Yes"},{"Ft":"Function","Fn":"Crop Factor","Fv":"1.6"},{"Ft":"Function","Fn":"Focal Length","Fv":"10 mm ~ 18 mm"},{"Ft":"Function","Fn":"Focal Length (35mm Equivalent)","Fv":"16.0 mm ~ 28.8 mm"},{"Ft":"Function","Fn":"Focus Type","Fv":"Internal"},{"Ft":"Function","Fn":"Image Stabilization","Fv":"Yes"},{"Ft":"Function","Fn":"Weather Resistance","Fv":"No"},{"Ft":"Function","Fn":"Zoom Type","Fv":"Internal zoom"},{"Ft":"Performance","Fn":"Max Magnification","Fv":"0.15x"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"220 mm / 8.66 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens Hood: EW-73 C (sold separately)"},{"Ft":"Production","Fn":"Debut","Fv":"2014-05-13"}]]