Bransford MediaS-Log3 to Rec.709
Free Sony a7C II LUT (S-Log3 to Rec.709)
Turns the a7C II's S-Log3 / S-Gamut3.Cine footage into normal-looking Rec.709 video. One .cube LUT, free for any project, no email.
The zip holds the same LUT twice: a 65-point file for editing, and a 33-point file for monitoring on a camera or in an app, or for older apps that won't load the larger one.
Checked against Sony's own LUT and tested on our Sony FX30 footage.
S-Log3, as recorded
With the LUT
The LUT converts S-Log3 with S-Gamut3.Cine color, as the manufacturer publishes them, into Rec.709 through the ACES 2.0 output (SDR, 100 nits).
Built from: Sony, Technical Summary for S-Gamut3.Cine/S-Log3 and S-Gamut3/S-Log3.
Set up the a7C II
- MENU > Shooting > Image Quality/Rec > Log Shooting Setting > Log Shooting: On (Flexible ISO); Color Gamut S-Gamut3.Cine or S-Gamut3
- S-Log3 only (no S-Log2); preset LUTs S-Log3 / s709 / 709(800%) plus imported user LUTs
Exposure
Sony help guide (Picture Profile notes): S-Log noise is more noticeable than other gammas; it may be improved by shooting with a brighter setting, but dynamic range becomes narrower accordingly; Sony recommends test shooting first. No 18% grey target is published in the help guide.
Sources
- helpguide.sony.net
Log Shooting: Off / On (Flexible ISO); Color Gamut item
- helpguide.sony.net
S-Log3, S-Gamut3.Cine/S-Gamut3; no S-Log2; noise note
- alphauniverse.com
Sony announcement Aug 29, 2023 (ILCE-7CM2 and ILCE-7CR); S-Log3 14+ stops; user LUT display in Log shooting
- support.d-imaging.sony.co.jp
Official Sony S-Log grading guide; offers s709 3D LUT downloads (s709Cubes.zip: SL3SG3Ctos709.cube, SL3SG3tos709.cube) and P3 versions for S-Log3 with S-Gamut3.Cine or S-Gamut3. Page text names ILCE-1/ILCE-7SM3, but the LUTs are per profile (S-Log3). Zip download confirmed.
Recording a different profile?
- Download the S-Log3 / S-Gamut3 LUT
Checked against Sony's own LUT and tested on our Sony FX30 footage.
About S-Log3 / S-Gamut3