The most important feature of the EF 100mm f/2.8L IS USM is that it offers a full 1:1 macro reproduction and a minimum close-focus distance of just 30cm. ... The Canon EF 100mm f/2.8L IS USM Macro is a well-built lens made with a metal mount, a high-quality plastic barrel, and a rubber-coated focus ring.
The Canon EF 70-200mm f/2.8L IS II USM Lens delivers impressive image quality, focuses accurately very fast and has top-of-the-line build quality, 4-stop Image Stabilization, weather sealing and a very useful focal length range. This is now my favorite and one of my most-used lenses.
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.
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.