Teleconverter extender magnification 14 x suitable for camera type olympus for camera series olympus pen for lens series olympus zuiko digital suitable lens olympus mzuiko digital ed 40 150mm f28 pro lens mount micro four thirds micro 43 area of use sports photography animal photography outdoor functions splash resistant dust resistant minimum focal length 56 mm maximal focal length 210 mm lens construction groupselements 36 lens diameter 59 mm