Fisheye converter magnification 057 x suitable for camera type sony for camera series sony alpha for lens series sony sel suitable lens sony fe 28mm f20 sel 28f20 lens mount sony e area of use architectural photography landscape photography outdoor functions splash resistant dust resistant aperture range 3 5 22 minimum focal length 16 mm maximal focal length 16 mm diagonal angle of view 180 closest focusing distance 22 cm lens construction grou