To me the numbers make a strong argument for the Tamron. People have sworn by the Canon 24-70 Mk I, yet the Tamron beats it in resolution and adds IS.
I don't own a 24-70, but am looking for a faster alternative to my 24-105. Hmm... My concerns would be AF speed and build quality.
« Last Edit: September 11, 2012, 03:22:12 PM by bchernicoff »
5D Mk III, Elan 7e, Nikon J1, some old rangefinders
Tamron 24-70 2.8 VC, 70-200 f/2.8L IS II, 400mm f/2.8L II, Sigma 85mm, 50mm, & 35mm f/1.4's, Rokinon 14mm f/2.8, Canon 2x Extender II, Kenko 1.4x, 430 EX II, Elinchroms