@SmokeDetector fp- Not spam (no spam link was ever edited in, even after grace period); user's name of "Spammy Spammer" is disappointingly misleading. This
does attempt to answer the question that was asked. Unfortunately, it's plagiarized (rephrase plagiarism, not copy-paste plagiarism) from
hk.canon/en/consumer/Super-Spectra-Coating/article. But that doesn't make it a TP, or even NAA.