[toni-a]

If you want to believe that, fine.

check for yourself

http://www.opticallimits.com/canon_eos_f...n_50_12_5d

http://www.opticallimits.com/canon_eos_f...non50f14ff

at the same aperture the f1.4 is always the better lens only advantages of the f1.2 are the build quality autofocus motor and having f1.2