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See the PDF kindly linked by the sibling (https://news.ycombinator.com/item?id=43919991):

• “The highest resolution that the expert assessors could discern in the highest performing movie theater was about 875 L/PH.

• “The horizontal resolution averaged over the six multi-burst groups measured on the screens of the six selected movie theaters was about 715 L/PH.”

L/PH = lines per picture height, i.e. vertical resolution

This was for 35 mm film.

Also, well-mastered DVDs with anamorphic widescreen can look astonishingly good on an output device that doesn’t interpolate its lines.




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