Compare Canon EF 400mm F2.8L IS III USM

[[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"9 blades"},{"Ft":"Construction","Fn":"Form Factor","Fv":"Super Telephoto Prime Lens"},{"Ft":"Construction","Fn":"Image Size","Fv":"Full-Frame"},{"Ft":"Construction","Fn":"Lens Barrel","Fv":"Focus limiter, Tripod collar, Distance scale"},{"Ft":"Construction","Fn":"Lens Mount","Fv":"Canon EF-mount"},{"Ft":"Construction","Fn":"Material","Fv":"Magnesium alloy"},{"Ft":"Construction","Fn":"Motor","Fv":"Ring-type ultrasonic"},{"Ft":"Construction","Fn":"Optical Formula | Elements","Fv":"17 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"13 groups"},{"Ft":"Construction","Fn":"Optical Formula | Special Glass","Fv":"Super UD + fluorite elements + Air Sphere + Super Spectra + fluorine coatings groups"},{"Ft":"Dimensions","Fn":"Filter Diameter","Fv":"52 mm / 2.05 in"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"163 mm / 6.42 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"343 mm / 13.50 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"2840 g / 100.35 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"6.2° Diagonal | 5.2° Horizontal | 3.4° Vertical"},{"Ft":"Function","Fn":"Aperture","Fv":"f/2.8 ~ f/32"},{"Ft":"Function","Fn":"Autofocus","Fv":"Yes"},{"Ft":"Function","Fn":"Focal Length","Fv":"400 mm"},{"Ft":"Function","Fn":"Focus Type","Fv":"Rear"},{"Ft":"Function","Fn":"Image Stabilization","Fv":"Yes (5 stops)"},{"Ft":"Function","Fn":"Weather Resistance","Fv":"Yes"},{"Ft":"Performance","Fn":"Max Magnification","Fv":"0.17x"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"2500 mm / 98.43 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens hood included"},{"Ft":"Production","Fn":"Debut","Fv":"2018-09-05"}]]