Upload & Sell: On
Thinking about picking up the Tokina 16-28 / 2.8.
Understanding that there is no such thing as a perfect lens, particularly in UWA genre ... what have people been finding to be the biggest IQ problem with this lens ... i.e. distortion, CA, vignetting, weak corners, low contrast, etc.
Filter, size and AF speed issues are already noted ... mostly interested in IQ pitfalls to watch for.