Super telephoto zoom lens series walimex pro lens mount micro four thirds micro 43 lens speed 8 focal length 650 1 300 mm zoom factor 2 times suitable for sensor type four thirds 43 construction zoom lens area of use close up photography animal photography focus internal focus auto focus manual focus af motor no internal af motor closest focusing distance 500 cm lens type aspherical lens construction groupselements 58 number of aperture bla