Why the hell is this about equivalence? As far as I do know if you have a Fuji digital camera you can't put a Sony FE 28mm f2 on it anyway. Will you be intending to sell all your Fuji gear because the optically inferior FE lens is more affordable? https://fuji18832097.prublogger.com/26692126/not-known-factual-statements-about-fuji188