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.
A highly practical medium telephoto lens with superb delineation and portability. Images are sharp and clear at all apertures. Through computer simulations, the lens has been designed to give beautiful background blur.
Blending a favored wide-angle focal length with a bright maximum aperture, the EF 24mm f/1.4L II USM is a Canon L-series lens characterized by a robust physical construction and sophisticated optical design.