I'm having problems with Object Glow being noisy when out of focus for whatever reason. Turning it off simply corrects the problem, but I'd like to know if there's a logical explanation for this. Compare the two pictures below, the first with Object Glow on, the second with it turned off:
Obviously in the first shot, the fire in the background seems very noisy...
Too bad she won't live! But then again, who does?