CONSIDERATIONS TO KNOW ABOUT UNDERWATER NUCLEAR TEST 'UMBRELLA' (1958)

So, the technology is not really essentially a difficulty, it's how it's been utilized to make some 4K content, especially 4K Blu-rays, That ought to not have passed high quality control. If you want to see samples of this in motion, I like to recommend Nerrel's great video clip cataloging and showcasing this difficulty across several big releases.