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a type of filter used to reduce oblique reflections and increase color saturation

6 votes
3 answers
2k views

Can looking at a computer screen show the difference between linear and circular polarizing ...

I have seen two behaviors : The computer screen (through the polarizer) varies from completely black (or almost depending on the quality of the polarizer) to almost completely transparent. … And some friends have theirs behaving like mine when for some other friends, their polarizer behave like the first case. All of them believe they have a circular one. …
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