Starting with Radiant Photo 2.1.0, you can bring your own LUTs into the program – for more creative freedom and precise color grading.
Supported formats:
.cube
.3dl
.m3d
.davlut
.itx
.mga
.dat* – these are container files, so they may include different kinds of data — most work fine, but a few might not load.
Supported LUT sizes:
We currently support LUTs with sizes of 8, 16, 32, 64, and 128.
Pro tip: If a LUT doesn’t load correctly, it’s usually because of unsupported internal data or file size. To fix this, convert the LUT to a .cube format in one of the supported sizes mentioned above for the best results.