unable to test, hence for parts. battery compartment looks clean
Vintage Vivitar 2800 Auto Thyristor… Not tested.
Vivitar 550FD Auto Thyristor Shoe Mount Flash - Very Good Condition
Vivitar 530FD Auto Thyristor Flash Gun Hot Shoe Untested
Vivitar 283 Auto Thyristor Vintage Camera Flash Unit (from the 1970s)
Vivitar 550FD Auto Thyristor Shoe Mount Flash Gun Minolta Pentax - For Repair
Vivitar 2800 Auto Thyristor Electronic Flash unboxed
