Birdwatch Note Rating
2024-09-06 14:53:37 UTC - NOT_HELPFUL
Rated by Participant: CB94E7ADBEC04BDB89E3DA18C18DC32EC7E7953A591CA15711AB14323F16642C
Participant Details
Original Note:
Three filter polarisation is an extremely well known function that is very simple for even the most layman to understand. two 90 deg orientated polarisers block 100% of photos. Insterting a 45 degree in the middle allows 50% through it and 25% the back filter. https://faculty.csbsju.edu/frioux/polarize/POLAR-sup.pdf
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