Fisheye lens wide angle lens series walimex pro lens mount nikon f lens speed 35 focal length 8 mm suitable for sensor type aps c construction prime lens area of use landscape photography action photography close up photography focus manual focus af motor no internal af motor reduced frame size closest focusing distance 30 cm lens type aspherical lens construction groupselements 710 number of aperture blades 9 minimum aperture 22 max apertur