Featuring superior build quality, exceptional image quality and an impressive array of features, the EF 70-200mm f/4L IS USM is a compact telephoto lens that you'll want to carry everywhere. Delivering an incredibly useful focal length range, this lens works remarkably well in any number of settings, making it the ideal portrait lens, landscape lens, sports photography lens or general purpose telephoto zoom for a day at the park. When you use the lens, you will notice several important features, first of which is its size. Despite being solidly built, it's still compact enough to make it comfortable to hold and carry. You will also notice its excellent ring-type USM autofocus, which allows you to focus quickly and accurately. Meanwhile, its Image Stabiliser helps to deliver sharp images, even in low light and without the use of a tripod. Image quality is superb, allowing you to create shots that are very sharp corner to corner, with stunning colour and contrast, and well controlled chromatic abberation.