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Yeah, just a crazy part of the conversation altogether specifically because it's such a small difference in the amount of pixels missing.
The bottom line is these are decisions made by people deciding this is this and that is that, and that's it.
Visually - in a world where some think 2K cameras look amazing and some can't see a difference in 8K cameras - it is beyond mindless to analyze if 3840 is or is not true 4K compared to 4096.
It only matters how it's made and what you have to deliver.
What is 4K?
What does that word mean to you?
All of these numbers are virtually arbitrary. If UHD was 4096 across and DCI was cropped from that and both versions were presented side by side, it's incredibly unlikely anyone would detect the difference of like 100 pixels out of 4000, even projected in a theatre. Netflix calls 3840 UHD "true 4k"...why sweat it?!
Then why are “ 3840x2160 ” and “ 4096x2160” referred to as aspect ratios?
Because my strength is not video engineering but shooting and lighting.
I have never once heard a fellow professional, until now, refer to either of those numbers as aspect ratios. They are resolutions and everyone I work with knows the difference.
Well, I guess that sets you apart from the rest of us who don't have those skills, but I really don't think these simple concepts of resolution and aspect ratios are rocket science, brain surgery, or require a degree in video engineering.
Nothing in that post is in any way helpful or educative.
IBut I am being told that 4096x2160 cannot be 16x9.
Why would math dictate that the resolution 4096x2160 cannot be 16x9
They are related as mentioned multiple times in this thread...