Last week I bought a used Sigma AF 180mm f/3.5 EX HSM APO macro (Photozone Review). It is my first real macro lens and it has a maximum magnification of 1:1. It is the Sigma pendant to the Canon EF 180mm f/3.5L Macro USM, but only costs half the prize if bought new. Sadly to say that this lens isn't build anymore. Continue reading →