The EF 100-40mm F4.5 – 5.6 L IS II USM is a high-performance telephoto zoom lens that’s perfect for sports, action and wildlife photography. Canon notes that the lens is ideal for photographers who are traveling light and want to take just one telephoto lens with them – the 100-400mm zoom range puts you right next to distant subjects, and lets you react quickly in a fast-changing situation. The EF 100-400mm delivers sharp images while the multi-layered ASC coating will protect against ghosting or flare. The versatile 4x zoom range, 4-stop three-mode image stabiliser an ultrasonic focus motor and a nine-blade circular aperture makes this lens a must have for photographers looking for versatility, powerful performance and accurate control. You can set the amount of resistance felt when zooming the lens with the Zoom Touch Adjustment ring, so you can customise the feel of the zoom control. The EF 100-400mm has a fast USM auto-focus system that is extremely accurate and silent, a full manual focus override is possible. The lens is also weather-sealed.
The lens comes with a detachable rotatable tripod collar.