EF 24-105mm f/4L IS II USM

Open up new viewpoints

Create outstanding images

Improved optical performance delivers even higher image quality

Optimally positioned GMo aspherical lenses deliver reduced distortion & improved balance of image quality & brightness.
Constant f/4 aperture

The f/4 maximum aperture of this lens is fixed throughout the focal-length range, so shutter speeds will not change as the lens is zoomed.
Beautiful background blur

10 blade circular aperture delivers more appealing and rounded bokeh .
4 stop Image Stabilizer

Image Stabilizer permits the use of shutter speeds up to four stops slower than normal, enabling hand held shooting in challenging lighting conditions.