Compare Laowa 15mm f/2 Zero-D vs Laowa 20mm F4 Zero-D Shift vs Pentax 07 Mount Shield 1/1.7"

[[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"7 blades"},{"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":"Canon RF-mount, Leica L-mount, Nikon Z-mount, Sony E-mount"},{"Ft":"Construction","Fn":"Optical Formula | Elements","Fv":"12 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"9 groups"},{"Ft":"Dimensions","Fn":"Filter Diameter","Fv":"72 mm / 2.83 in"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"66 mm / 2.60 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"82 mm / 3.23 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"500 g / 17.67 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical"},{"Ft":"Function","Fn":"Aperture","Fv":"f/2 ~ f/22"},{"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":"Performance","Fn":"Min Focus Distance","Fv":"150 mm / 5.91 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens hood included"},{"Ft":"Production","Fn":"Debut","Fv":"2016-09-13"},{"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":"Form Factor","Fv":"Normal Prime Lens"},{"Ft":"Construction","Fn":"Image Size","Fv":"1/1.7\u0026#34;"},{"Ft":"Construction","Fn":"Lens Mount","Fv":"Pentax Q-mount"},{"Ft":"Construction","Fn":"Optical Formula | Elements","Fv":"1 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"1 groups"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"41 mm / 1.61 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"7 mm / 0.28 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"8 g / 0.28 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"44.5° Diagonal | 37.6° Horizontal | 25.6° Vertical"},{"Ft":"Function","Fn":"Aperture","Fv":"f/9"},{"Ft":"Function","Fn":"Autofocus","Fv":"No"},{"Ft":"Function","Fn":"Crop Factor","Fv":"4.6"},{"Ft":"Function","Fn":"Focal Length","Fv":"11.5 mm"},{"Ft":"Function","Fn":"Focal Length (35mm Equivalent)","Fv":"52.9 mm"},{"Ft":"Function","Fn":"Image Stabilization","Fv":"No"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"300 mm / 11.81 in"},{"Ft":"Production","Fn":"Debut","Fv":"2013-06-12"}]]