Dozens of completely different SCN file types exists, so it's incredibly difficult to give exact answer how to best achieve scn to tif conversion. Depending on your particular type of .scn files, the ideal choice is either graphics or 3D graphics software.
In case of special lab/microscope images, you will have to use a tool designed to read and analyze such files instead though.
Generally speaking, export to TIFF will make a standard raster image from the original, some variants of TIFFs exist, each used for different kind of images and to preserve different kind of metadata.
Updated: October 20, 2023