Fisheye lens series samyang if mc lens mount minolta asony a 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 auto focus af motor no internal af motor closest focusing distance 30 cm lens type aspherical lens construction groupselements 107 minimum aperture 22 max aperture 35 lens switch afmf coating multico