OLYMPUS M.Zuiko Digital MC-14 1.4x Teleconverter Lens Silver 4/3 Mount Camera
Focal length: 1.4x the master lens. Compatible lenses: M.ZUIKO DIGITAL ED 40-150mm F2.8 PRO, M.ZUIKO DIGITAL ED 300mm F4.0 PRO, M.ZUIKO DIGITAL ED 100-400mm F5.0-6.3 IS, M.ZUIKO DIGITAL ED 150-400mm F4.5 TC1.25x IS PRO 5 TC1.25x IS PRO.