Compare Fujifilm GF 20-35mm F4 R WR vs Pentax HD Pentax-DA 645 28-45mm F4.5ED AW SR vs Pentax smc Pentax-FA645 35mm F3.5 AL

[[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"9 blades, Rounded blades"},{"Ft":"Construction","Fn":"Colors","Fv":"Black"},{"Ft":"Construction","Fn":"Form Factor","Fv":"Ultra Wide-Angle Zoom Lens"},{"Ft":"Construction","Fn":"Image Size","Fv":"Medium Format (44x33)"},{"Ft":"Construction","Fn":"Lens Barrel","Fv":"Physical aperture ring"},{"Ft":"Construction","Fn":"Lens Mount","Fv":"Fujifilm G-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":"Three aspherical, one aspherical extra-low dispersion (ED), three ED elements. groups"},{"Ft":"Dimensions","Fn":"Filter Diameter","Fv":"82 mm / 3.23 in"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"89 mm / 3.50 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"113 mm / 4.45 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"725 g / 25.62 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"107.8° Diagonal | 97.4° Horizontal | 74.4° Vertical (wide) ~ 76.1° Diagonal | 66.1° Horizontal | 46.9° Vertical (tele)"},{"Ft":"Function","Fn":"Aperture","Fv":"f/4 ~ f/22"},{"Ft":"Function","Fn":"Autofocus","Fv":"Yes"},{"Ft":"Function","Fn":"Crop Factor","Fv":"0.8"},{"Ft":"Function","Fn":"Focal Length","Fv":"20 mm ~ 35 mm"},{"Ft":"Function","Fn":"Focal Length (35mm Equivalent)","Fv":"15.8 mm ~ 27.7 mm"},{"Ft":"Function","Fn":"Weather Resistance","Fv":"Yes"},{"Ft":"Function","Fn":"Zoom Type","Fv":"Internal zoom"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"350 mm / 13.78 in"},{"Ft":"Production","Fn":"Debut","Fv":"2022-09-08"}],[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"9 blades, Rounded blades"},{"Ft":"Construction","Fn":"Colors","Fv":"Black"},{"Ft":"Construction","Fn":"Form Factor","Fv":"Ultra Wide-Angle Prime Lens"},{"Ft":"Construction","Fn":"Image Size","Fv":"Medium Format (645)"},{"Ft":"Construction","Fn":"Lens Barrel","Fv":"Distance scale"},{"Ft":"Construction","Fn":"Lens Mount","Fv":"Pentax 645 KAF2 bayonet"},{"Ft":"Construction","Fn":"Material","Fv":"Metal"},{"Ft":"Construction","Fn":"Optical Formula | Elements","Fv":"17 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"12 groups"},{"Ft":"Construction","Fn":"Optical Formula | Special Glass","Fv":"HD and Aero Bright coatings groups"},{"Ft":"Dimensions","Fn":"Filter Diameter","Fv":"82 mm / 3.23 in"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"99 mm / 3.90 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"152 mm / 5.98 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"1470 g / 51.94 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"102.6° Diagonal | 92.1° Horizontal | 69.3° Vertical (wide) ~ 75.6° Diagonal | 65.7° Horizontal | 46.5° Vertical (tele)"},{"Ft":"Function","Fn":"Aperture","Fv":"f/4.5 ~ f/32"},{"Ft":"Function","Fn":"Autofocus","Fv":"Yes"},{"Ft":"Function","Fn":"Crop Factor","Fv":"0.6"},{"Ft":"Function","Fn":"Focal Length","Fv":"28 mm ~ 45 mm"},{"Ft":"Function","Fn":"Focal Length (35mm Equivalent)","Fv":"17.4 mm ~ 27.9 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":"Internal zoom"},{"Ft":"Performance","Fn":"Max Magnification","Fv":"0.21x"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"400 mm / 15.75 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens Hood: 38709 (supplied)"},{"Ft":"Production","Fn":"Debut","Fv":"2014-08-04"}],[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"9 blades, Rounded aperture"},{"Ft":"Construction","Fn":"Form Factor","Fv":"Ultra Wide-Angle Prime Lens"},{"Ft":"Construction","Fn":"Image Size","Fv":"Medium Format (645)"},{"Ft":"Construction","Fn":"Lens Barrel","Fv":"Physical aperture ring, Distance scale"},{"Ft":"Construction","Fn":"Lens Mount","Fv":"Pentax 645 KAF2 bayonet"},{"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":"HRI and hybrid aspherical elements, HD and SP coatings 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":"90 mm / 3.54 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"570 g / 20.14 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"89.9° Diagonal | 79.4° Horizontal | 57.9° Vertical"},{"Ft":"Function","Fn":"Aperture","Fv":"f/3.5 ~ f/32"},{"Ft":"Function","Fn":"Autofocus","Fv":"Yes"},{"Ft":"Function","Fn":"Crop Factor","Fv":"0.6"},{"Ft":"Function","Fn":"Focal Length","Fv":"35 mm"},{"Ft":"Function","Fn":"Focal Length (35mm Equivalent)","Fv":"21.7 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":"0.25x"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"300 mm / 11.81 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens Hood: PH-RBE82 (supplied)"},{"Ft":"Production","Fn":"Debut","Fv":"2015-11-11"}]]