This camera is a Zenit-B with a TTL meter. The meter is a Match the needle type with a circle between a + and a -. The Zenit-TTL was available with chrome top (several variants of early KMZ with TTL in Cyrillic and later BeLomo) and completely black.
Produced: 1977-1985
Name: „Зенит-TTL“
Producer: KMZ
Frame size: 24x36.
Lens: Helios-44M 2/58.
Shutter: 1/30s-1/500s + B.
Quantity: 1.632.212 units.