Why the hell is this about equivalence? So far as I know When you have a Fuji digicam you can't place a Sony FE 28mm f2 on it in any case. Are you likely to sell all your Fuji gear because the optically inferior FE lens is less costly? No, https://link-fuji18876542.popup-blog.com/26688001/the-basic-principles-of-fuji188