I know we've batted this around some previously, but some have been skeptical about the fact that some of the big A* lenses have green barrels. Here's some more fuel for the fire -
http://www.cetussoft.com/pentax/grn600-1.jpg (A* 600/5.6 to the left, A* 300/2.8 to the right) http://www.cetussoft.com/pentax/grn600-2.jpg (A* 600/5.6 in front of a white door) Although one PDML-er asked me "Are you suffering from some kind of weird color blindness?", I still have to say that at least some of the big A* lenses have a barrel that is colored uniformly g-r-e-e-n. Fred