A quick update on the rumored/upcoming Leica SL 70-200mm f/2.8 lens and Extender L 2.0x: they will not be developed in-house. Leica will most likely use one of the existing Panasonic or Sigma lens designs: Sigma 70-200mm f/2.8 DG DN OS Sports lens for  L-mount Panasonic Lumix S PRO 70-200mm f/2.8 O.I.S. lens for L-mount … Continue reading Update: the rumored Leica SL 70-200mm f/2.8 lens and Extender L 2.0x will not be developed in-house