Not just the corners in that example but a decent amount in from even the side borders is fairly soft/ blurred. There is maybe enough vignetting to indicate it may have been taken at around F4 so I would not get too concrned based just on that single image...yet.
Sep 03, 2014 at 02:46 PM
Previous versions of Tariq Gibran's message #12556660 « Zeiss Loxia line »
