Wide angle converter magnification 075 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 2 8 22 minimum focal length 21 mm maximal focal length 21 mm diagonal angle of view 92 closest focusing distance 20 cm lens construction gr