Nikon Z 7 Guide de démarrage rapide
Professional
Technical Guide
—N-Log 3D LUT—
En
2
Table of Contents
LUTs: A Primer...................................................................... 3
• Using LUTs with N‑Log ...................................................................4
Using the N‑Log 3D LUT..................................................... 6
• Installing DaVinci Resolve 15........................................................6
• Downloading the N‑Log 3D LUT..................................................6
• Applying the N‑Log 3D LUT ..........................................................7
About This Guide
This guide is for users of N‑Log.
Trademark Information
DaVinci Resolve is a registered trademark of Blackmagic Design.
Apple and Final Cut Pro are registered trademarks of Apple Inc.
in the United States and other countries. Adobe and Adobe
Premiere are trademarks or registered trademarks of Adobe Sys‑
tems Incorporated in the United States and/or other countries.
3
LUTs: A Primer
A “LUT”, or “lookup table”, is an array of preselected values
used in movie color-correction to map colors from the
original input footage to the desired colors in the nal
output. Color correction is performed by looking up input
colors and assigning them new RGB values based on the
data in the table.
A lookup table that treats each of the red, green, and blue
channels separately is a“1D LUT”, which cannot be used to
correct saturation or hue. Such corrections require a “3D
LUT”, in which each combined RGB value maps to a single
combined value in the table.
4
Using LUTs with N-Log
Designed to take full advantage of sensor dynamic range,
Nikon’s unique “N-Log” logarithmic gamma curve oers
excellent balance between highlights and shadows and is
optimized for 10-bit movie recording. Information on lm-
ing N-Log footage can be found in Technical Guide (N‑Log
Recording Edition) handbooks available from the Nikon
Download Center.
https://downloadcenter.nikonimglib.com/en/products/492/Z_7.html
https://downloadcenter.nikonimglib.com/en/products/493/Z_6.html
Designed specically for the purpose, Nikon’s N-Log 3D
LUT greatly makes color grading N-Log footage a snap. Al-
though the N-Log gamma curve captures a wide range of
tones, the raw footage will seem to lack contrast and must
be color graded for display on Rec. 709 monitors.
No color grading Footage color graded using
N‑Log 3D LUT
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LUTs: A Primer
To color grade N-Log footage using the N-Log 3D LUT, you
will need third-party movie editing software. This guide
shows how to apply the N-Log 3D LUT using Blackmagic
Design’s DaVinci Resolve 15.
Compatible Applications
In addition to DaVinci Resolve, the following applications can
be used with the N‑Log 3D LUT:
• Adobe: Premiere Pro
• Apple: Final Cut Pro X
Note that Nikon neither endorses this software nor guaran‑
tees its operation.
Contact the publishers for information on using these appli‑
cations.
6
Before proceeding, you will need to install DaVinci Resolve
15 and download the N-Log 3D LUT.
Installing DaVinci Resolve 15
This guide assumes you are using DaVinci Resolve 15. In-
stall the software after downloading it from the site below
(link current as of July 2019).
https://www.blackmagicdesign.com/products/davinciresolve/
Downloading the N-Log 3D LUT
The N-Log 3D LUT is available from the Nikon Download
Center. Visit the site for your camera and download the LUT
le from the “Software” tab:
https://downloadcenter.nikonimglib.com/en/products/492/Z_7.html
https://downloadcenter.nikonimglib.com/en/products/493/Z_6.html
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Using the N‑Log 3D LUT
7
Applying the N-Log 3D LUT
This information is current as of July 2019.
1 Launch DaVinci Resolve 15 and start a new project.
In the Project Manager, click New Project and name
the new project as desired.
2 Click the “Project Settings” ( ) icon.
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3 Open the LUT folder.
Select Color Management in the project settings win-
dow and click Open LUT Folder.
The DaVinci Resolve 15 LUT folder will open. The fold-
er path is:
• Windows:
C:\ProgramData\Blackmagic Design\DaVinci Resolve\Support\LUT
• macOS:
Library/Application Support/Blackmagic Design/DaVinci Resolve/LUT
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Using the N‑Log 3D LUT
4 Add the N‑Log 3D LUT.
Create a sub-folder under the LUT folder, name it
as desired, and copy the N-Log 3D LUT to the new
sub-folder (named “Nikon” in this example).
5 Click Update Lists and then click Save.
DaVinci Resolve will load the new LUT.
q
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6 Load N‑Log footage.
Drag N-Log footage from the operating system le
navigation window into DaVinci Resolve 15.
If the frame rates of the footage and project do not
match, a message will be displayed. Click Change to
update the project frame rate to match the footage.
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