This, ladies and gentlemen, is why using a UV filter on your lens is a good idea. Usually. Some times.
The strange thing is, I have NO idea when this happened during a shoot at a reception venue where I was doing room shots and detail shots. Most of the times I was using two cameras, with the other one slung over my shoulder. At some point I lifted the camera to my eye and noticed rainbow colored diffraction patterns across the image. My immediate reaction was .. huh? My lens is THAT dirty? And then I checked and saw the actual Read more inside...
