● A telephoto zoom that has a wide zoom range and has high image quality, mobility and operability in the whole area. ● New coating technology ASC (Air Sphere Coating) achieves significant suppression of flare ghosts. ● Equipped with a wide range of functions corresponding to a variety of shooting sites, such as 4.0 -stage camera shake correction that supports handheld shooting, rotation zoom that enables instantaneous zoom operation, and proximity shooting capacity that can close up to 0.98m. ● The model equipped with APS-C size sensor covers the area equivalent to 160-640mm.- angle of view (horizontal, vertical, diagonal) 20 ° to 5 ° 10 '・ 14 ° to 3 ° 30' ・ 24 ° to 6 ° 10 ' lens configuration 21 sheets Number of squeezed feathers 9 sheets minimum aperture 32-40 The shortest shooting distance 0.98m Maximum shooting magnification 0.31 times (at 400mm) Filter diameter 77mm Maximum diameter x length φ94 x 193 Mass 1,570g Vegetable correction effect 4.0 steps * (CIPA guidelines compliant) * Focal length 400mm, EOS-1D x when using