Telephoto lens series walimex pro lens mount fuji x mount lens speed 8 focal length 500 mm suitable for sensor type aps c construction prime lens area of use travel photography landscape photography animal photography focus manual focus max magnification 13 closest focusing distance 170 cm lens type aspherical lens construction groupselements 76 number of aperture blades 7 max aperture 8 filter thread 31 mm length 87 mm lens diameter 76