Vintage Camera Flash Unit with Bracket and Sync Cable – External Hot Shoe Mount

Ultimax UM-DSF100 Universal Digital Slave Flash Hot Shoe Bracket SLR Cameras

Sunpak Auto 140 Camera Flash – Vintage Compact Hot Shoe Flash Unit

Focus FC-SF3000 Hot Shoe Camera Flash Slave Trigger Tested Working Vintage

Vintage Digi-Slave Deluxe 2000 Portable Camera Flash Unit Swivel Head Hot Shoe

Hama Slave Unit Flash Trigger Synchromat Hot Shoe ?

Ultimax UM-DSF100 Universal Digital Slave Flash w/ Hot Shoe Bracket DSLR Cameras

Miranda ZF3 Hot shoe Flash Unit Compatible With Canon, Olympus Etc