Compare Laowa 15mm f/4 1:1 Macro vs Laowa 20mm F4 Zero-D Shift vs Pentax HD Pentax-FA 31mm F1.8 Limited

[[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"14 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"},{"Ft":"Construction","Fn":"Lens Mount","Fv":"Canon EF-mount, Leica L-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":"9 groups"},{"Ft":"Construction","Fn":"Optical Formula | Special Glass","Fv":"Three high refractive and one ED element groups"},{"Ft":"Dimensions","Fn":"Filter Diameter","Fv":"77 mm / 3.03 in"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"84 mm / 3.31 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"65 mm / 2.56 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"410 g / 14.49 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical"},{"Ft":"Function","Fn":"Aperture","Fv":"f/4 ~ f/32"},{"Ft":"Function","Fn":"Autofocus","Fv":"No"},{"Ft":"Function","Fn":"Focal Length","Fv":"15 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":"Max Magnification","Fv":"1x"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"470 mm / 18.50 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens hood included"},{"Ft":"Production","Fn":"Debut","Fv":"2015-06-23"},{"Ft":"Production","Fn":"Made In","Fv":"China"}],[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"14 blades"},{"Ft":"Construction","Fn":"Form Factor","Fv":"Ultra Wide-Angle Prime Lens"},{"Ft":"Construction","Fn":"Image Size","Fv":"Medium Format (44x33)"},{"Ft":"Construction","Fn":"Lens Barrel","Fv":"Physical aperture ring, Distance scale, DoF scale"},{"Ft":"Construction","Fn":"Lens Mount","Fv":"Canon EF-mount, Canon RF-mount, Fujifilm G-mount, Leica L-mount, Nikon F-mount, Nikon Z-mount, Pentax K-mount, Sony E-mount"},{"Ft":"Construction","Fn":"Optical Formula | Elements","Fv":"16 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"11 groups"},{"Ft":"Construction","Fn":"Optical Formula | Special Glass","Fv":"2 aspherical elements, 3 ED elements groups"},{"Ft":"Dimensions","Fn":"Filter Diameter","Fv":"82 mm / 3.23 in"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"95 mm / 3.74 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"91 mm / 3.58 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"747 g / 26.40 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"107.8° Diagonal | 97.4° Horizontal | 74.4° Vertical"},{"Ft":"Function","Fn":"Aperture","Fv":"f/4 ~ f/22"},{"Ft":"Function","Fn":"Autofocus","Fv":"No"},{"Ft":"Function","Fn":"Crop Factor","Fv":"0.8"},{"Ft":"Function","Fn":"Focal Length","Fv":"20 mm"},{"Ft":"Function","Fn":"Focal Length (35mm Equivalent)","Fv":"15.8 mm"},{"Ft":"Function","Fn":"Focus Type","Fv":"Internal"},{"Ft":"Function","Fn":"Image Stabilization","Fv":"No"},{"Ft":"Performance","Fn":"Max Magnification","Fv":"0.17x"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"250 mm / 9.84 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens hood included"},{"Ft":"Production","Fn":"Debut","Fv":"2022-03-28"}],[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"9 blades"},{"Ft":"Construction","Fn":"Colors","Fv":"Black, silver"},{"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":"Pentax K-mount"},{"Ft":"Construction","Fn":"Material","Fv":"Aluminum"},{"Ft":"Construction","Fn":"Motor","Fv":"Screw drive from camera"},{"Ft":"Construction","Fn":"Optical Formula | Elements","Fv":"9 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"7 groups"},{"Ft":"Construction","Fn":"Optical Formula | Special Glass","Fv":"HD + Super Protect coatings groups"},{"Ft":"Dimensions","Fn":"Filter Diameter","Fv":"58 mm / 2.28 in"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"65 mm / 2.56 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"69 mm / 2.72 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"341 g / 12.05 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"69.9° Diagonal | 60.3° Horizontal | 42.3° Vertical"},{"Ft":"Function","Fn":"Aperture","Fv":"f/1.8 ~ f/22"},{"Ft":"Function","Fn":"Autofocus","Fv":"Yes"},{"Ft":"Function","Fn":"Focal Length","Fv":"31 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":"Max Magnification","Fv":"0.16x"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"300 mm / 11.81 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens hood included"},{"Ft":"Production","Fn":"Debut","Fv":"2021-02-24"}]]