Where is the mark on the polarizer supposed to be?

Started 2 months ago | Questions thread
ThrillaMozilla Veteran Member • Posts: 4,922
Re: Where is the mark on the polarizer supposed to be?

Gerry Winterbourne wrote:

No filter removes all polarised light.

In the right orientation they do remove virtually all polarized light.  Photographic polarizing filters are almost perfect in that respect.  (Footnote:  someone once tested a horrible, cheap filter that transmitted a few percent of polarized light, but that was an exception.)

However, most light that you see in nature is not 100% polarized.

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