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Bransford Media

LUTs & resources

Leica SL3 LUTs

Leica L-Log Reference Manual: L-Log puts 18% middle grey at 44% IRE (10-bit 445), and Leica's L-Log LUTs are built for that exposure. For best quality Leica recommends exposing to the right, then correcting exposure before applying the LUT. Internal ProRes L-Log uses video levels (64-940); H.264/H.265 use full range.

Camera settings

  • Video Profiles > Profile [1-5] > Settings > select L-Log (lower left). L-Log records in the Rec.2020 colour space.
  • Leica lists native ISO 200 and 640 in L-Log. The spec sheet gives manual video L-Log/HLG ISO 50-100,000 and Auto 400-100,000.
L-Log / Rec.2020 conversion preview
Neutral color before the creative look
NeutralLook

L-Log / Rec.2020

Shot on Sony FX30 (S-Log3) and re-encoded into L-Log / Rec.2020 to show the conversion.

L-Log / Rec.2020

Built from Leica's published spec; not yet tested on footage from this camera. If blacks look lifted or crushed, check the clip's data levels.

Download free conversion LUTInstallation guides

Sources

SL3 native L-Log ISO 200/640; menu path; BT.2020 colour space; 18% grey = 44% IRE; ETTR advice; ProRes video-levels note; LUTs on Leica websiteVideo gamma: Rec.709, L-Log Rec.2020, HLG Rec.2020; L-Log/HLG ISO rangesLeica Pure and Leica Cine LUT downloads (Leica_Pure_Rec2020_LLog_to_Rec709_Gamma24_65.cube) plus legacy LUTsSL3 announcement, Wetzlar, March 7 2024