Is 4:2:2 Worth It? - Sony a7 III & Atomos 4:2:0 vs 4:2:2 Comparison
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- Опубліковано 15 лют 2019
- Comparing the 4:2:0 chroma subsampling captured internally on the Sony a7 III vs the 4:2:2 captured via HDMI on external recorders like the Atomos Ninja V.
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#sony #atomos #video
One aspect I omitted from these tests is green screens and keying. I'm not very experienced with it and don't even own one anymore. But the consensus is that 4:2:2 will give you a notable improvement in your ability to key over 4:2:0. So if that's what you plan to do a lot of, you'll probably find a more significant advantage to the external on the Sony. Thanks for watching! 😃👍
You are the film school I couldn't afford. Thanks Gerald.
I guess it's better to invest in a camera that can shoot raw video rather than investing in this Atomos recorder. Thank you
Moving from a GH5 for video to an a7r3, I have noticed no difference losing 10bit and switching between internal and external. I also watched a lot of videos and they all need to be pushed far to start seeing anything. So depending on the grade or how close you get in camera I think it’s overrated. Honestly if I cared that much, I would go to a cinema camera with raw.
Lets have a moment of silence for those who edit on TN screen found on most <700$ laptops
You could possibly start your next video with, "... I'm a geek so you don't have to be."
Would be great an update on this matter. Since this video was recorded, 10bit 4:2:2 has almost become the standard on latest cameras. Comparing slog3 10bit 4.2.2 with even BRAW would be amazing.
If both 4:2:2 and 4:2:0 have full luminance data, then I wouldn't expect a simple light to dark gradient to show much difference. Because you're mostly just changing luminance. Try the same test with even lighting but small bold color variations like thin blue and red stripes or text. Something where the color data changes drastically in a small space. I bet you notice more artifacts. The tests you performed would be better at showing the difference between 8 bit and 10 bit color. Unfortunately I believe UA-cam converts everything to 8 bit so we likely wouldn't see the difference.
I don't think we can comment about what we saw on this UA-cam video. Because youtube doesn't support any c-sampling other than 4:2:0. So Even if the original video is 4:4:4, UA-cam will convert it to 4:2:0 while encoding for the web version.
Ok, I spoke too early. My X-S10 is 8 bit 4:2:0 and you said there would be a huge difference later on. Ok, maybe I'll plunk down for that Ninja for $250. Thanks for the last minute comment.
To give a slightly more straightforward explanation of chroma subsampling:
This video made my subscribe man. Great info and presentation Gerald 🙌
You rock! You have definitely risen to the top of my UA-cam watch list.
Useful tests there Gerald, i enjoyed that...
Totally love your channel! Found it very recently and I really like your reasoning/scientific approach. Cheers from Sweden
Gerald Undone - Myth buster of camera channels 😄👍 great job, thx man
I love the effort you put into all your videos. All the small things. You never seem to rush anything.
No extra googling/searching for info needed with my questions, just subscription and notification on from your channel is enough, Everytime so informative with your videos. Keep creating sir, respect.
This video was so informative! Answered so many questions I had and will save me $$$
I don´t know how long you´ve been around on UA-cam but your videos started to pop out in my recommended just recently and you are amazing!