A workflow guide for the original Sony FX3 using the version-2-or-later Log Shooting menu. Check your installed firmware and editing-app version. No before-and-after image or measured exposure test is claimed here.
A clip can look finished on the camera and flat on a computer without the recording being broken. The camera may have shown a monitoring LUT while recording S-Log3. The editor may show the original signal, apply a different conversion, or already manage the clip automatically. Adding another LUT before identifying that path can make the problem harder to diagnose.
Quick answer: separate the recorded gamma and gamut, the camera’s monitoring look, and the editor’s conversion. For an SDR delivery, establish one intentional technical path to the chosen output before adding a creative look. “Washed out” alone is not a reason to add contrast twice.
Write Down the Recording, Not Only the Look You Remember
Identify the actual clip and the camera configuration: Log Shooting mode, S-Log3, selected color gamut, and any monitoring LUT. Sony distinguishes S-Gamut3 and S-Gamut3.Cine in its S-Gamut explanation. A transform intended for one input is not automatically appropriate for the other.
If the settings were not logged, keep that uncertainty visible. Inspect available clip metadata and the project’s existing interpretation rather than guessing from how saturated a thumbnail looks. Do not force an unidentified clip into an S-Log3 workflow merely because an FX3 was on the shoot; that camera can record other looks.
Display LUT Is a Viewing Decision
For the version-2-or-later FX3 guide, Sony documents MENU → Setup → Display Option → Display LUT. The Display LUT page describes showing a LUT during shooting and playback to preview a graded appearance. A more contrasty monitor image is therefore not proof that the internal original was recorded with that look permanently applied.
This article’s scope is internal camera media. If an HDMI recorder or another external device is involved, verify that device’s input, monitoring and recording behavior separately. A setting that is only a viewing aid in one part of the chain may have a different consequence elsewhere; do not approve an external recording from the camera LCD alone.
Embedding a LUT Is Not the Same as Rendering It Into the Picture
Sony’s metadata guide for post-production explains that Flexible ISO, Cine EI and Cine EI Quick record S-Log3 material while compatible tools can reproduce the monitoring conditions using metadata and an embedded LUT. The FX3 Log Shooting settings include a separate Embed LUT File choice.
In practical terms, keep three questions separate: what the image data represents, whether a LUT file accompanies it, and whether the current application is using that information. The presence of an embedded file does not establish that every player or editor will display an identical picture. Preserve the original card structure when offloading so useful companion material is not discarded casually.
Inspect Premiere’s Interpretation Before Adding an Input LUT
Work on one representative clip in a duplicate test sequence. Note the Premiere version, the clip’s assigned media color space, sequence working space and output choice. Adobe’s supported color-management options include separate Sony S-Log3/S-Gamut3 and S-Log3/S-Gamut3.Cine inputs. Metadata may be absent or insufficient, so automatic detection still needs checking.
In current documentation, Adobe provides source-clip controls through Clip Modify → Color or the Source Clip area of Lumetri’s Settings tab. Its Clip Modify guidance distinguishes media-color-space overrides, Input LUT handling and Preserve RGB. Use the controls appropriate to your installed version rather than assuming a screenshot from an older tutorial is identical.
For a simple diagnostic, first identify whether the source is already being transformed automatically. Then inspect existing source effects, clip effects and adjustment layers for another technical conversion. Do not switch everything off in the main edit to see what happens; record the existing configuration and compare in the test sequence.
A Technical Conversion and a Creative Look Have Different Jobs
A technical transform interprets a defined input for a defined output or working space. A creative look changes style within an expected color context. A LUT labeled “cinematic” does not tell you which input it expects. Applying it at the wrong stage can make the picture overly contrasty or produce unexpected color.
Adobe’s Lumetri color-space guidance emphasizes that LUTs are designed for particular color spaces. The troubleshooting rule is not “never combine LUTs and color management.” It is “know the input and output of each operation, and do not accidentally convert an already converted image as though it were still Log.”
Verify a Short Export Before Grading the Whole Edit
Choose a clip with a face, a neutral object and relevant highlights. Compare the original, the intended technical path, and any creative look deliberately; use scopes as well as appearance. Export a short sample with the intended delivery settings, reimport it into the test project, and review it in the intended viewing context.
A difference that appears only after export or only in one player is not the same diagnosis as unconverted Log in the editor. Keep those cases separate instead of compensating blindly. Correct color interpretation also cannot reconstruct clipped highlights or replace a missing white-balance reference. For an external device, use the FX3 HDMI monitor and recorder checklist alongside this internal-media guide. Document the path that turns the originals into the final delivery.