Vintage Vivitar Auto Thyristor 550FD Flash Unit for [Nikon/Canon/Pentax Tested

Vivitar 2600 Auto Electronic Flash Unit- For Use With Minolta/Pentax/Olympus

Vivitar Auto 2600 Ideal Olympus Trip 35 RD, RC, SP etc. refm

Vivitar 2800 Auto Thyristor Electronic Flash

Vivitar 2000 Electronic Flash Auto/Manual Hot Shoe Flash Tested & Working

Vivitar 125 Flash Compatible With Olympus Trip WORKING

Vivitar 2600 Vintage Electronic Flash with Box

Vivitar 2600-D Auto Thyristor Flash Unit- For Use With Minolta/Pentax/Olympus