As i do before every use, I took a look into the front of the lens to make sure there is no dust on there, and I noticed a few pieces of white material. Then I looked closer and realized it is INSIDE the lens; one piece is stuck to the inside of the front element, and another is stuck on the iris blades.
It looks like the plastic they make the internal gears from.
Has anyone else noticed this? I'll call Canon next week (the camera/lens is only 7 months old), but I was wondering if anyone else has experienced this? And/or how Canon might deal with it?