Canon EF 400mm f/4.0 DO IS USM is a super lens equipped with the brand's innovative patented multi-layer diffractive optical lenses, which allow you to reduce chromatic and spherical aberrations and obtain precise, sharp images in every situation. The light and handy design of the device, made of quality materials, resistant to water and dust, make it particularly functional and versatile, suitable for nature and sports photography. Not bulky, easy to carry, complete with lens hood, it is compatible with full frame reflex cameras and Canon EF APS-C cameras and is an easy-to-use telephoto lens perfect for those who want to take their first steps in the wildlife photography sector. The Canon EF 400mm f/4.0 DO IS USM lens has an effective built-in image stabilization system and fast and precise focusing based on a Ring-USM technology that uses an ultrasonic AF motor, which help to minimize the effects of natural camera vibrations and allow you to take sharp photos even over long distances. The advantages of the Canon zoom lens are represented by the thin lenses and reduced thickness and the 9-blade diaphragm opening which help to obtain particular bokeh effects even in the case of reduced depth of field. Ideal for: the Canon EF 400mm f/4.0 DO IS USM lens is suitable for those who wish to dedicate themselves to full frame photography.