A guide to Lumetri Scopes.
“Lumetri scopes” is one of the most important features in Adobe Premiere Pro. If you have a poorly lit room, an old monitor or light painted walls – this may distort your view. You may think you’ve colour corrected it, but actually, your original footage has been miscalibrated. This happens more often than you think. Below we have broken down each aspect of the Lumetri Scopes functionality.
The Lumetri scopes
*To open the Lumetri scope’s functionality:
[Window –> Workspaces –> Color]
Waveform displays the intensity of the signal. This shows the levels of each pixel and the location within the image/video. You can also select which waveform you wish to use. They are displayed with IRE units. Measured (White) 0-100 (Black). You can view in RGB which shows the RGB signals, luna waveform (brightness and contrast ratio) and the YC. YC or YC (no chroma). This displays the chrominance and luminance in YC and the luminance only in YC (no chroma).
This shows the chrominance information. This is a circular chart that shows the saturation which can be measured outwards. The vivid colours show up as a pattern far from the centre of the chart. Whereas the black and white imagery only shows up as a dot at the centre of the chart.
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Similar to the waveform, the histogram shows the intensity of both the chrominance and luminance levels of an image. It reads three main aspects;
The shadows, mid tones and highlights.
The best time to use this feature is when you are correcting your shadows, mid tones and highlights. This is to ensure your levels are balanced and you don’t have an unwanted tint to the footage.
*A great tutorial by the Adobe masters: https://www.youtube.com/watch?v=KT5ce4fpvB8