rankamaterur

Using the 24mm f/2.8D on film, I had more shots ruined by nasty flare than by poor corner performance. I always used the (correct) lens hood, but at 24mm, the hood is very short, out of necessity. ...

As others have pointed out, the detent is at the f/1.4 position, (and all the other detents are in the normal f-stop series: f/2, f/2.8, f/4, f/5..6, etc... So the aperture going beyond the detent ...

The kind folks over in the Retouching sub-forum could do a much better job than my quick hack. Would be better with a higher res image...