Digital Cinematography, 2nd Edition

File Formats and Log Encoding 533

another are very different, tuned to the sensor Gamma 3, RED Gamma 4, RED Log Film, and

design, and the function of a custom log curve is Panasonic uses V-Log. Each of these log curves

to preserve the full dynamic range of that camera. has been designed to preserve as much informa-

SONY uses S-Log, S-Log2, and S-Log 3, ARRI tion as possible from a specic sensor design, and

uses LogC, RED uses RED Log 3 G10, RED make it easily usable during color correction.

Table 15.1 IRE and code values for black, middle gray and white for various log encodings

Log/Gamma Encoding 0.0088% Black 0% Black 18%