Compare Pentax smc Pentax-FA645 35mm F3.5 AL vs Pentax HD Pentax-D FA 21mm F2.4ED Limited DC WR vs Pentax smc Pentax-FA645 35mm F3.5 AL

[[{"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"}],[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"8 blades, Rounded diaphragm"},{"Ft":"Construction","Fn":"Colors","Fv":"Black, Silver"},{"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":"Distance scale, DoF scale"},{"Ft":"Construction","Fn":"Lens Mount","Fv":"Pentax K-mount"},{"Ft":"Construction","Fn":"Material","Fv":"Aluminum"},{"Ft":"Construction","Fn":"Optical Formula | Elements","Fv":"11 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"8 groups"},{"Ft":"Construction","Fn":"Optical Formula | Special Glass","Fv":"4 ED elements, 1 Super ED element groups"},{"Ft":"Dimensions","Fn":"Filter Diameter","Fv":"67 mm / 2.64 in"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"74 mm / 2.91 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"89 mm / 3.50 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"416 g / 14.70 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"91.7° Diagonal | 81.2° Horizontal | 59.5° Vertical"},{"Ft":"Function","Fn":"Aperture","Fv":"f/2.4–22 ~ f/2.4–22"},{"Ft":"Function","Fn":"Autofocus","Fv":"Yes"},{"Ft":"Function","Fn":"Focal Length","Fv":"21 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":"0.26x"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"180 mm / 7.09 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens hood included"},{"Ft":"Production","Fn":"Debut","Fv":"2021-10-21"}],[{"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"}]]