An advanced one-lens solution, the EF 24-105mm f/4L IS II USM is a Canon L-series zoom covering wide-angle to short-telephoto focal lengths and featuring a constant f/4 maximum aperture. ... Constant f/4 maximum aperture maintains consistent illumination throughout the zoom range.
Canon EF 35mm f/2 Lens, the Canon EF 35mm f/2 IS USM Lens delivers much-improved peripheral image quality, adds image stabilization and Ring-type USM AF, and has a significantly-improved build quality - including a much better MF ring than the replaced 1990-era design.
The EF-S 18-135mm f/3.5-5.6 IS USM Lens is attractive on many fronts, including its wide (7.5x) focal length range, its relatively small size and light weight, its fast, smooth and accurate autofocusing, its great functionality including image stabilization.
The Canon EF 24-70mm f/2.8L II USM is the workhorse lens for many a Canon shooter. With a constant f/2.8 aperture throughout its zoom range, very good optical performance, and a fairly compact design, the lens pairs well with full-frame Canon cameras.