Why the hell is this about equivalence? As far as I am aware For those who have a Fuji digicam 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 less costly? https://link-fuji18865421.thekatyblog.com/26502276/a-secret-weapon-for-fuji188