Kiev-88 TTL has been produced at Kiev Arsenal since 1980. It is interesting that this device is still produced in small quantities. I'll talk about this at the end. The device is medium format, designed for film type 120. Forms frames 60x60 mm in size.
But due to interchangeable backdrops, it can form frames of a different size and even work with other photographic materials. Standard lens MC Volna-3V 2.8 / 80. For a medium format, 80mm is a normal lens.
Lens mount - Bayonet B. Focal distance 81.10 mm. This mount was not very lucky. Hasselblad changed their mount and B-mount, ...