How the hell does color correction work?? Mega reverse tutorial

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GOOGLE DOC WITH MORE INFO AND LINKS: https://docs.google.com/document/d/1PBrmypp_oVfq-XBQFTaBg05lJpg2o0JcROR7DNfR5mU/edit?ts=5c50e7d0#
0. 2:48 The problem with most color correction tutorials

1. 4:32 How would you color correct this shot of Linus in front of a bright window?

2. 5:51 How would you color correct this shot of the inside of the Oneplus factory?

Here is the Lynda course that left me with far more questions than answers: https://www.lynda.com/course-tutorials/Color-Video-Editors/711831-2.html

3. 7:35 Why did Robbie use the GAIN control to fix the blue shot here?

4. 8:47 Does Premiere have controls that work the same way as DaVinci Resolve's “Color Wheels” of lift, gamma, gain, and offset?

5. 10:14 How did Robbie achieve the look shown at 3;33 of this video?
https://www.lynda.com/Premiere-Pro-tutorials/What-would-you-do-Creative-evaluation-examples/711831/752713-4.html

6. 11:43 Why couldn’t I get the classic “teal and orange” look to work for this shot inside of the LIGO building?

7. 13:08 - At 4;13 of this video: https://www.lynda.com/Premiere-Pro-tutorials/How-long-how-much-effort-project-take-color-correct/711831/752715-4.html
Robbie says that Go Pro footage would be very difficult to color grade to look like Skyfall (2012), but he does not explain why. Is it the color space? The compression? The 8 bits (per channel)?

8. What kind of footage IS best for color grading?

9. What should be done or avoided when filming, to ensure the most options for color correcting/grading?

10. Once you figure out how to get that look, can’t you just create a LUT, and apply that to all the (color corrected) Go Pro shots?

14:37 - At 4;15 of this video: https://www.lynda.com/Premiere-Pro-tutorials/Controlled-correcting-lighting-neutral-environment/711831/752707-4.html Robbie says that “bias lights” have a very high CRI value - but he does not explain further.
11. What is a good resource to learn more about CRI as it relates to video production?

12. Why do bias lights need to have a high CRI?

13. Is a high CRI also important for the lights used on a set? Is higher always better?

14. If a camera only records the frequencies of R, G, and B anyway, then why does it even matter?

15. If a light source with a very low CRI is desirable for a shot,, wouldn’t it still be better to use a higher CRI when filming, and then make the shot more monochromatic during color correction/grading?

(Better Alternatives to CRI: TLCI (Television Lighting Consistency Index), SSI (Spectral Similarity Index))

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16. 17:30 DEFINING OUR TERMS
Again, open the Google doc to see all of these!
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17. 18:27 *SUPER IMPORTANT* (Answered question) Why does some footage have information that goes far “above” 100 IRE on the video waveform? ANSWER: (Taran) That footage was encoded as Y'CbCr, not sRGB.

18. 23:47 On this footage from the XA20, why is the brightest part of the image at 275, (110 IRE) rather than 255? (100 IRE) https://youtu.be/m0D2H0s-TMo

19. 24:49 Why is a pure white blown highlight NOT the "highest" part of this “YUV” video information?

20. 25:08 Why does the XA20 also put its “100% zebras” at 110 IRE, rather than 100 IRE?

21. 25:49 If you have “YUV” video where the information goes above 100 IRE, but it is able to be recovered, is that really “clipping”? Or, is there a different term for that?

27:11 Possible ANSWERS to 18 and 19.

22. 28:45 When “clamp signal” is OFF, why does my Lumetri Scopes waveform still only SOMETIMES show the data above 100 IRE?

23. 30:04 If you’re shooting in 8-bit, wouldn’t shooting in LOG just massively reduce your available color depth?

24. 31:37 Does HDR really have blacker blacks than SDR, as this article claims? https://www.mysterybox.us/blog/2016/10/18/hdr-video-part-1-what-is-hdr-video

25. 33:48 (INFO) Why it is important to care about fundamentals

26. 34:41 (INFO) Different hues have different inherent values (Sinix design)
https://youtu.be/aD-uI63jR8c

27. 36:42 (INFO) How to best convert to grayscale / black and white

28. 44:22 (INFO?) Crushed blacks

29. 44:32 (INFO) How to salvage blown highlights

30. 44:55 (INFO) How to REALLY fix Photoshop's blur (Use lab color mode)
Minutephysics video with wrong solution: https://youtu.be/LKnqECcg6Gw?t=199

31. 48:09 How can I get color scopes as good or better than Premiere’s, in Photoshop?

32. 49:04 Can I get bezier handles on my curves tool?

33. 49:33 Do you agree with these fundamentals of mine for color CORRECTION?

34. 51:12 ...For color GRADING?

35. 54:25 Do you agree with these as GUIDELINES for color CORRECTING?

36. 59:35 Do you know of any other fundamentals of color correction or color grading?