some oblique qlues
I've just washed them. When I removed them, the convex side (the side facing the camera) was covered with glycol.
They're a matched set, all from the same thingy. Every one of you has been in the presence of these components, or ones functionally identical. Sometimes these lenses are clear and the glycol is colored.
They're pretty cool, but I don't have a project in mind for them at the moment. There were other components I scavenged from the thingy that are much more fun.
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