Gamut / Gamma Transfer 3D LUT (3D Look-Up Table), Version 1.1 for the EOS-1D C, EOS 5D Mark IV, and EOS R
Article ID: ART174808 |
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Date published: 06/21/2019 |
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Date last updated: 06/21/2019 |
Description
This is the summation of the ReadMe file for the 3D LUT that is included with the downloadable LUT files for the EOS-1D C, EOS 5D Mark IV, and EOS R.
Solution
Gamut / Gamma Transfer 3D LUT (3D Look-Up Table), Version 1.1
- LUT Category
Viewing LUT
- LUT Overview
A 3D LUT that converts from BT.2020 Gamut / BT.709 Gamut and Canon Log gamma.
- File Format
.cube format
- Applicable Models
Different 3D LUTs are used because different products have different gamma settings.
Check the correspondence table below before use.
[Group 1]
EOS-1D C, EOS 5D Mark IV
[Group 2]
EOS R
- Correspondence Table
Input |
Output |
Applicable Group |
Gamut |
Gamma |
Range |
Gamut |
Gamma |
Range |
Grids |
1 |
2 |
BT.2020
Gamut
|
Canon Log |
Full |
BT.709
Gamut |
BT.709
(Gamma 2.2) |
Full,
Narrow |
17, 33, 65 |
|
✓ |
BT.2020
Gamut
|
Canon Log |
Full |
BT.709
Gamut |
Wide DR |
Full,
Narrow |
17, 33, 65 |
|
✓ |
BT.2020
Gamut
|
Canon Log |
Full |
BT.2020
Gamut |
Wide DR |
Full,
Narrow |
17, 33, 65 |
|
✓ |
BT.709
Gamut
|
Canon Log |
Full |
BT.709
Gamut |
Wide DR |
Full,
Narrow |
17, 33, 65 |
✓ |
✓ |
- File naming conventions
[Gamut]_[Gamma]-to-[Gamut]_[Gamma]_[GridNum]_[Range] [Range]_[Version].cube
(2) (2) (3) (4) (5) (6) (7) (8)
Example: CinemaGamut_CanonLog-to-BT709_BT709_17_FF_Ver.1.1.cube
9. Input gamut
10. Input gamma
11. Output gamut
12. Output gamma
13. Grids
14. Input range (N: Narrow, F: Full)
15. Output range (N: Narrow, F: Full, L: Linear)
16. Version
- Explanation of the data format
Example: 17 Grid version
Lines beginning with the pound sign (#) |
Comments about the 3D LUT file |
LUT_3D_SIZE 17 |
Table size (17 x 17 x 17) |
0.000000 |
0.000000 |
0.000000 |
0.000026 |
0.000000 |
0.000000 |
0.079094 |
0.000000 |
0.001118 |
0.205855 |
0.000250 |
0.000000 |
|
Data (R G B, red fastest) |
- LUTs for conversions to Wide DR
The Narrow range version of Wide DR is a curve that was used into the super-whites
(outputs over 100%), whereas with the Full range version of Wide DR, this curve is
compressed in a format to fit within 100% output.