I use EF for electronic focus, iris and stabilisation, does this still work? December 4, 2017December 4, 2017 by jbmg40 jbmg40 No comments yet 553 Yes. Revolva EF has full support for electronic lenses, exactly the same as Red’s own EF mount. Post navigation Which lenses do and don’t work, and why?I need iData metadata, does Revolva provide this? Leave a Reply Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.