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well fujibros, take a lesson from me and don't use goo gone on your lens. I bought this lens used and the guy never took off the transparent sticker over the CE logo shit, so it was peeling around the edges and looked shitty. when I peeled it off it left sticky residue that was getting on my hands. so I decided to clean it off with goo gone and now I have a silver CE section. :/
should have tried alcohol first.