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Why?

• steve19 9y ago
  Because optics increase in size with sensor size. The lens for a TV sized camera would be gigantic.
  • p1esk 9y ago
    Ok, so it's not about sensor size, it's about lenses. You don't really need lenses though: https://petapixel.com/2017/06/22/caltech-made-sensor-lensless-camera-future/ https://petapixel.com/2017/06/22/caltech-made-sensor-lensles... (also see links at the end of that article)