Huh. You're right, I never thought about it that way. I had to look it up and apperently there are multiple theories that the reason ufo photos are always terrible quality is that there's some kind of terrible-photo-force-field around them. Great stuff!

The truth is that when we see photos of Nug the mind-bending eldrich horror of the sight disturbs the vision part of our brain. The photos are all perfectly clear, but simply too terrible for our tiny minds to ever percieve.

Douglas Adams coined this effect as SEP: Someone Else’s Problem