Nikon Z 7 Guide de démarrage rapide

Professional

Technical Guide

—N-Log 3D LUT—

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.

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.

Using LUTs with N-Log

Designed to take full advantage of sensor dynamic range,

Nikon’s unique “N-Log” logarithmic gamma curve oers

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 specically 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

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.

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

Using the N‑Log 3D LUT

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.

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

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.

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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