This Zenit TTL outfit was release in very small quanitities and quite rare to encounter.
The instruction manual states that this kit had been made for qualified photo-amateurs, professionals and science workers.
Zenit TTL Camera:
Macro rings UTZT
Flash head GLV
Release cable TST
Quantity released: 292 pieces according to KMZ site: www.zenitcamera.com/catalog/cameraproduction.html
Collection of Alexey Nikitin