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Sony FX3 · S-Log3 · DaVinci Resolve

How to Colour Grade Sony FX3 S-Log3 Footage

Build an FX3 S-Log3 interview grade around natural skin, controlled highlights and reliable continuity between takes.

Sony FX3S-Log3DaVinci ResolveToneLab Chroma
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01

Interviews and skin tones

Sony FX3 · the starting point

Give the face priority

Interview grading needs to hold up over time. A dramatic treatment can look impressive on a single frame but become distracting when the viewer spends several minutes with the same face.

Identify the recorded S-Log3 colour-space pairing before choosing a conversion. The gamma name alone does not describe the entire input. Also check whether a monitoring look was only displayed or became part of a recorded or exported file.

Balance the face in a representative take, then match the reverse angle and cutaways. Retain useful differences in lighting while keeping skin, wardrobe and the background consistent enough that the viewer follows the conversation.

A good interview grade lets the person hold your attention. Skin should remain credible through every cut.

Quick answer

Confirm S-Log3 and its recorded gamut. Separate any S-Cinetone or previously treated clips. Use a matching input treatment once. Check Resolve colour management before adding a Chroma conversion.

02 · Practical sequence

Sony FX3 in DaVinci Resolve

This sequence is designed for an SDR Rec.709 finish. Account for any existing colour management before applying a technical conversion; the same LOG-to-display transformation should not happen twice.

Step 01

Read the source

Confirm S-Log3 and its recorded gamut. Separate any S-Cinetone or previously treated clips.

Step 02

Set the conversion

Use a matching input treatment once. Check Resolve colour management before adding a Chroma conversion.

Step 03

Balance the face

Choose a representative take and refine exposure, white balance and contrast around the face.

Step 04

Match the interview

Compare the next angle and cutaways, then introduce the creative treatment without losing skin consistency.

03 · Choosing your workflow

Sony FX3 LUTs, conversion and creative colour

FX3 S-Log3 LUT

Match curve and gamut

Verify the conversion’s expected input instead of treating every Sony LOG file as identical.

Interview colour grading

Start with a reference take

A stable face and wardrobe reference helps reveal colour changes between takes.

ToneLab for FX3

Evaluate on a whole scene

Compare the finished sequence, not only a before-and-after still, when deciding whether the workflow saves you time.

04 · Questions before you grade

Sony FX3 S-Log3 FAQ

Is S-Log3 all I need to know?

No. Confirm the recorded colour space as well as the gamma and match both to the conversion you use.

Should I convert S-Cinetone as S-Log3?

No. S-Cinetone and S-Log3 have different starting treatments. Keep them in separate input groups.

Why does the face turn orange with a look?

The look may push warm hues or saturation too far for that shot. Balance the source, then reduce or refine the treatment while checking the face.

Can I match an FX30 interview angle?

Yes, with correct source conversions followed by shot matching. Lighting, lens and exposure differences can remain even when both cameras record S-Log3.

Profile reference: Sony FX3 documentation. Check ToneLab’s current compatibility information for the exact input and installed version.

05 · Continue your workflow

Related camera guides

Related camera workflowSony FX30Explore the guide →Related camera workflowSony A7 IVExplore the guide →Related camera workflowLUMIX S5IIXExplore the guide →

Find every camera in the ToneLab Camera Hub, or explore all Workflow articles.

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Build your Sony FX3 workflow

Start with the correct S-Log3 input, balance the shots and choose a look that fits your film.

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Search topics covered in this guide

Sony FX3 S-Log3 colour grading · Sony FX3 LUT workflow · Sony FX3 DaVinci Resolve · ToneLab Chroma Sony FX3 · Sony FX3 S-Log3 to Rec.709 · Interviews and skin tones

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