<p>I removed the coating from the effected elements, Normally I'd have never attempted this but the lens was trashed anyways. The two effected elements are actually in contact with each other so it seems to have not affected image quality. The lens isn't in great internal shape anyways, it appears smudged and oily (Likely from disassembly). I'd like to pick up another plus an EOS conversion kit because they are, as has been said, Really quite beautiful lenses. </p>