Leica has formally announce the lens: https://leicarumors.com/2018/04/09/leica-super-vario-elmar-sl-16-35mm-f-3-5-4-5-asph-lens-officially-announced.aspx/ <https://leicarumors.com/2018/04/09/leica-super-vario-elmar-sl-16-35mm-f-3-5-4-5-asph-lens-officially-announced.aspx/> Jim Handsfield jhandsfield at att.net