I haven't made a camera input profile yet. I'm going to try to get that done later today. I have only set the camera's white balance to the LED panel as a Custom setting.
A histogram of the light source shows three RGB peaks of about equal height and width, for whatever spectral information that conveys.
I'll make the input profile using my IT8 transmissive Q60 4x5 and generate the ICC profile with Argyll CMS. I wish there we're a way to use that profile in ACR. But ACR only accepts reflective input profiles made from a Color Checker chart, saved in DNG format (as far as I know). I would be able to apply the ICC profile in PS after processing the RAW file, but I want to apply it in the RAW processing stage. ACR doesn't expect cameras to be profiled as scanning devices.
I believe some of the other RAW processing programs, RAW Therapee, for instance accept ICC input profiles. Anyone know?
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