CalComp Vistagraphic 4500 floppy disk

The CalComp Vistagraphic 4500 was a computer terminal with advanced graphic capabilities for its time, released in 1984 at a pricy $22,575. It had its own floppy disk drive (5 1/4") with a system-specific disk format. Not much information about it seems to be online.

Links

 * Device Side Data's FC5025 USB 5.25" floppy controller - supports this among other formats
 * Calcomp Vistagraphics 4500: Terminals Wiki