The following describes how the image stabilization is works. Look in our list of reviewed lenses or in our list of reviewed micro 43 lense...
olympus m.zuiko digital ed 300mm
olympus m.zuiko digital ed 300mm f/4
olympus m.zuiko digital ed 300mm f/4 is pro
olympus m.zuiko digital ed 300mm f/4 is pro lens
olympus m.zuiko digital ed 300mm f/4 is pro review
olympus m.zuiko digital ed 300mm f4 is pro lens review
olympus m.zuiko digital ed 300mm f4.0 is pro