RETRATOS

                                              Canon EOS 20D, 17-40 L USM, a 27mm,  f4, 1/200s, iso200.

                                     Canon EOS 20D, 17-40 L USM, a 40mm, f6.3, 1/30s iso 200.
                                         
                         

                                              Canon EOS 20D, 17-40 L USM, a 24mm, f8, 1/25s iso200.