Infact in Dr5 images there are tiny white spots in the sky areas.
Originally Posted by Photo Engineer
It seems this is (or better was) a relatively common problem with PanF+ in recent years, admitted by Ilford itself.
The OP on that thread (Michael W) said that finally Ilford acknowledge it was a film problem but didn't managed to find out why. They sent Michael some new PanF+ rolls (exp date 2014) that he developed with no problem.
I'm waiting to get in touch with Simon at Ilford to send them the negatives.
One thing is sure: I cannot afford to pay 5,6€ for a roll that is hit-or-miss. I wouldn't want this to be the right time to switch to digital and never look back...