Why can old films be in full HD or 4K quality today when in the times they were produced that screen resolution didn't exist? - Quora

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Why is the past depicted in black and white in movies instead of color? - Quora

Is there a DSLR camera that will allow me to choose the aspect ratio that I shoot? - Quora

How are they able to upscale old movies to 4k if the cameras back then did not record at that resolution? - Quora

How come old films are available as HD videos nowadays? - Quora

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Why can old films be in full HD or 4K quality today when in the times they were produced that screen resolution didn't exist? - Quora

How are they able to upscale old movies to 4k if the cameras back then did not record at that resolution? - Quora

How do some people convert really old movies into HD quality? - Quora

Why is 'animal' being criticized? - Quora

Why do movies have 'wide screen black bars' when TVs are all 16:9? - Quora