color grading din color correction primary correction secondary correction power window qualifier 1d lut
ARRI's new logarithmic encoding for ALEXA 35 with extended dynamic range.
Definition
Log-C4 is the new generation of ARRI's log encoding, specifically developed for the ALEXA 35 with its new ALEV IV sensor and 17+ stops of dynamic range.
Practical Application
All ALEXA 35 productions work with Log-C4. The improved curve optimizes the utilization of the extended dynamic range. New LUTs and workflows are required.
Technical Details
Modified scaling for extended dynamic range. Not directly compatible with Log-C3 LUTs. ARRI provides conversion LUTs. AWG4 as the new, extended color space.
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Selection tool isolating image areas based on color, luminance, or saturation.
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1D LUT