Polarizer -filter vs sunglasses

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tkbslc Forum Pro • Posts: 14,870
Polarizer -filter vs sunglasses

I was out walking with my polarized sunglasses on and realized that they just always kind of work even though they are fixed in place.   So it got me wondering why does the polarizer filter on my camera lens need to constantly be rotated to the right orientation to work?  What is different between polarizer for camera and for my glasses?

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