Canon EF 70-200mm f/4L IS II USM - The mobile telephoto zoom with professional performance, 5-stop IS, and fast USM focusing. Ideal for those who are always on the go: This telephoto zoom lens is extremely compact while offering professional image quality that truly impresses. Weighing only about 780 g, this versatile 70-200mm telephoto zoom is perfect for anyone who is frequently in motion, whether traveling, covering events, or doing landscape photography. The aperture of f/4 remains constant throughout the entire focal length range, so exposure settings do not need to be adjusted. Even in low light, you can work reliably - thanks to the 5-stop image stabilizer that minimizes motion blur.