Hello, i´m João Martins, from Portugal.
One of my friends, send me the link to your forum, i decided to registe myself.
I´ve a Canon 450D with 18-55 IS, a Sigma 28-105 Aspherical and a Sigma 70-300 DG Macro.
I like Macro Photographic, and also long exposure.
I hope do learn more from you...