For incredible versatility, the EF 24–105mm f/4L IS II USM has been redesigned to deliver superb L-series optical performance that pairs smoothly with the high-resolution, full-frame sensors of SLR cameras. Featuring a zoom range of 24–105mm and a constant f/4 aperture, the EF 24–105mm f/4L IS II USM is ideal for landscapes, portraits, sports and more, offering effective all-day performance for advanced photography and videography. It helps reduce ghosting and flare, and has improved peripheral brightness as well as a 10-blade circular aperture that helps deliver sharp, evenly illuminated images with gorgeous background blur.