Compare Samyang 135mm F2.0 ED UMC vs Samyang 10mm F2.8 ED AS NCS CS vs Tamron 20mm F/2.8 Di III OSD M1:2

[[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"9 blades"},{"Ft":"Construction","Fn":"Form Factor","Fv":"Medium Telephoto 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":"Canon EF-mount, Canon EF-M-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":"Optical Formula | Elements","Fv":"11 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"7 groups"},{"Ft":"Construction","Fn":"Optical Formula | Special Glass","Fv":"1 ED element, Ultra Multi Coating groups"},{"Ft":"Dimensions","Fn":"Filter Diameter","Fv":"77 mm / 3.03 in"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"82 mm / 3.23 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"122 mm / 4.80 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"830 g / 29.33 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"18.2° Diagonal | 15.2° Horizontal | 10.2° Vertical"},{"Ft":"Function","Fn":"Aperture","Fv":"f/2 ~ f/22"},{"Ft":"Function","Fn":"Autofocus","Fv":"No"},{"Ft":"Function","Fn":"Focal Length","Fv":"135 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":"800 mm / 31.50 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens hood included"},{"Ft":"Production","Fn":"Debut","Fv":"2015-01-12"}],[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"6 blades, Manual aperture setting via lens ring"},{"Ft":"Construction","Fn":"Form Factor","Fv":"Ultra 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, 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":"Optical Formula | Elements","Fv":"14 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"10 groups"},{"Ft":"Construction","Fn":"Optical Formula | Special Glass","Fv":"2 aspherical elements, 1 ED glass element groups"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"86 mm / 3.39 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"77 mm / 3.03 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"580 g / 20.49 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical"},{"Ft":"Function","Fn":"Aperture","Fv":"f/2.8 ~ f/22"},{"Ft":"Function","Fn":"Autofocus","Fv":"No"},{"Ft":"Function","Fn":"Crop Factor","Fv":"1.5"},{"Ft":"Function","Fn":"Focal Length","Fv":"10 mm"},{"Ft":"Function","Fn":"Focal Length (35mm Equivalent)","Fv":"15.0 mm"},{"Ft":"Function","Fn":"Image Stabilization","Fv":"No"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"250 mm / 9.84 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens Hood: Integrated hood (supplied)"},{"Ft":"Production","Fn":"Debut","Fv":"2013-12-06"}],[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"7 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 Mount","Fv":"Sony E-mount"},{"Ft":"Construction","Fn":"Motor","Fv":"Micromotor"},{"Ft":"Construction","Fn":"Optical Formula | Elements","Fv":"10 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"9 groups"},{"Ft":"Construction","Fn":"Optical Formula | Special Glass","Fv":"Low-dispersion and aspherical elements + BBAR and fluorine coatings groups"},{"Ft":"Dimensions","Fn":"Filter Diameter","Fv":"67 mm / 2.64 in"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"73 mm / 2.87 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"64 mm / 2.52 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"220 g / 7.77 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical"},{"Ft":"Function","Fn":"Aperture","Fv":"f/2.8"},{"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":"Yes"},{"Ft":"Performance","Fn":"Max Magnification","Fv":"0.5x"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"110 mm / 4.33 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens hood included"},{"Ft":"Production","Fn":"Debut","Fv":"2019-10-23"},{"Ft":"Production","Fn":"Model Name","Fv":"F050"}]]