Macro lens super telephoto lens series walimex pro lens mount canon ef m lens speed 8 focal length 500 mm suitable for sensor type aps c construction prime lens area of use close up photography animal photography macro photography focus manual focus max magnification 13 closest focusing distance 170 cm lens type aspherical lens construction groupselements 67 number of aperture blades 7 minimum aperture 22 max aperture 8 filter thread 30 m