Rear element dust - metal flakes?
Is there any known issue what would lead to very small metallic flakes being shed by the camera? I've been seeing them turning up on various lenses. In one instance a bunch showed up after the lens ( and rear cap ) were immaculately clean.
The common denominator is lenses with rear positioned real elements.
If it were ordinary dust, I'd not be too concerned "dust happens", but this stuff looks more like glitter,
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