From Leica Wiki (English)
- Production era - 1954-1959
- Code words - DEOOC known as "Chico"
- DHMOO - plastic container for "Chico" outfit
- DFHOO-15608 - pivoted holder with internal wiring making use of flash cable unnecessary for use with Leica IIf and Leica IIIf.
- DFOOB-15609 - pivoted holder w/o internal wiring for use with synch cable