Wide open at 1.8 to 4.0 aperture a ring appears at the outer age of the picture and as you stops down to f4.5 it disappears, seems something not right inside the lens.
Wide open at 1.8 to 4.0 aperture a ring appears at the outer age of the picture and as you stops down to f4.5 it disappears, seems something not right inside the lens.
消えますがー消えるので、