Files with dscf file extension can mostly be found as videos recorded by some older digital cameras by Fujifilm.
DSCF file extension - Fujifilm video
What is dscf file? How to open dscf files?
File type specification:
The dscf file extension was in the past used for a special digital video image format recorded by some Fujifilm cameras.
Seems like the format was eventually abandoned and is no longer in use.
This dscf file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.