Disk Identification File
Nikon is well known as a manufacturer of anolog and digital cameras and optical and imaging products.
On the memory cards of many of there cameras you will find files that use the extension .dsc these usually contain information regarding the pictures and card used.
In some cases these files are hidden because the should only be accessed by software and not the user.
» Nikon ViewNX
How to open .dsc files?
Software to open .dsc files
What are .dsc files