hi,
i would like opinon on the sigma 24-70mm f2.8 Vs cz 16-80 len. which is the better buy. what abt quality, is it better because of f2.8? thks
i would like opinon on the sigma 24-70mm f2.8 Vs cz 16-80 len. which is the better buy. what abt quality, is it better because of f2.8? thks