Size

    When using flash you need to step down the aparture because the camera tend to overexposed when using this lens to shoot with flash whic...

Sigma 17-70mm f2.8-4 DC Macro OS HSM I took this lens with me two days ago when I went to a trip with my friends. I took some really nice...

    When using flash you need to step down the aparture because the camera tend to overexposed when using this lens to shoot with flash whic...

Sigma 17-70mm f2.8-4 DC Macro OS HSM I took this lens with me two days ago when I went to a trip with my friends. I took some really nice...