Why the hell is this about equivalence? So far as I'm sure if you have a Fuji digicam You can not put a Sony FE 28mm f2 on it anyway. Are you presently likely to market all of your Fuji equipment as the optically inferior FE lens is cheaper? No, https://manuelkuaho.snack-blog.com/26915552/not-known-details-about-fuji188