CEYOO

• Production era - 1950-1959
• Code names - CEYOO - VLOOF/15532 spare, folding reflector - COOUY/15536 spare capacitor - CTOOM/15545 bracket to hold CEYOO vertical or at angle with white plastic early versions and later with black painted metal.
• Type - Flash unit for cameras with F synchronization starting with Leica IIIf. Accepted E.S. and S.C.C. bulbs
• Variants - CEYOO-PARAL 1952-1958 CEYOO with rectifier to allow simutaneous firing of more than one flash unit. After 1959 code named CEYAL - 15506
• Reference - Page 95 and 96 of Dennis Laney's Leica 1984 Accessory Guide courtesy of Mike Butkus.