From Leica Wiki (English)
- Code name - SYOOM also known as Leicavit SYOOM-M 14450
- Production era - 1950-2003
- Type - Rapid winder for Leica IIIf or Leica IIIg
- Evolution - a similar item was made for the first MP which also worked on M4-2, M4-P, M6, and M6 TTL cameras in black or silver. Since 1987, Tom Abrahamsson has been making a quality replacement called the Rapidwinder in Vancouver, Canada.
- Forum discussion