The Canon EF 24-105mm f/4L IS II USM is a professional quality standard zoom lens ideal for landscapes, portraits, and video. It allows you to switch between wide-angle, standard, and short-telephoto focal lengths while maintaining a constant f/4 maximum aperture for consistent exposure. The Ultra-Sonic Motor (USM) ensures fast, near-silent autofocus, and the 4-stop Image Stabiliser helps to keep images sharp. This mark II version is a true workhorse, covering an excellent zoom range and providing incredible image quality across the entire range, making it a perfect everyday lens.