Created with the input of both cinematographers and colorists, ARRI’s REVEAL color science employs six factors to create improved color, contrast, sensitivity, and dynamic range.
- A new debayering algorithm combines with the ALEXA 35's impressive processing power to create cleaner-edged images that are perfect for compositing work.
- The new ACE4 color engine converts RGB image data into the ARRI Wide Gamut color space (AWG4), producing more accurate colors and improving color saturation and tracking, even with subtle tones and lower light levels.
- The AWG4 camera color space is larger than Rec. 2020 but bypasses "virtual" colors that are outside the human visual spectrum, providing faster grading, easier color space conversion, and compatibility with the ACES system.
- A new Log-C 4 tonal curve enables the ALEXA 35’s larger 17-stop dynamic range; note that the Log-C 4 look appears darker before conversion to Rec. 709 or another color space.
- New LUTs use the improved sensor, color space, and Log-C 4 to produce optimal shadow tonality, color fidelity, and color-grading base. These new LUTS must be used with Log-C 4; they do not offer the manual control that some used with Log-C 3.
- The ALEXA 35 offers backward compatibility for intercutting with ALEXA, ALEXA Mini, and AMIRA images, and the ALEXA Mini LF and ALEXA LF images may be processed via REVEAL to match your ALEXA 35 footage. Processed images will not offer the higher dynamic range nor ARRI Textures but will have cleaner edges, better color, easier grading, and ACES, Log-C 4, and new LUT compatibility.