Well, Apple do advise against plateau rings in their support documents, so not sure why companies are ignoring them, possibly cost reasons and having already produced cases before this was knownUnfortunately I saw a pretty massive reduction in signal with the Lonli Classic (which I returned). I assume this is the case with all metal camera rings, and something a lot of case manufacturers seem to be ignoring, which sucks. I posted about this a few pages back:
https://forums.macrumors.com/threads/leather-cases-patina-proud-photos.2091430/post-34171255
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