Why the hell is this about equivalence? So far as I am aware When you have a Fuji digital camera You cannot set a Sony FE 28mm f2 on it anyway. Have you been gonna provide all your Fuji gear since the optically inferior FE lens is much less expensive? https://link-fuji18875431.blogdosaga.com/26893430/the-single-best-strategy-to-use-for-link-fuji188