I'm sure there have been nastier, but this K7100 is easily the worst I've come across.
Before cleaning:
After cleaning & ~12 hours of drying:
Getting something that nasty this clean is immensely satisfying. Who else has amazing before/after cleaning photos?
Before cleaning:
After cleaning & ~12 hours of drying:
Getting something that nasty this clean is immensely satisfying. Who else has amazing before/after cleaning photos?


