This as a follow up to Iskra camera with a selenium meter added to the camera.

Produced: 1961-1964
Name: „Искра-2“
Producer: KMZ
Frame size: 6x6 cm.
Lens: Industar-58 3.5/75.
Shutter: 1s, 1/2s, 1/4s, 1/8s, 1/15s, 1/30s, 1/60s, 1/125s, 1/250s, 1/500s + B.

Quantity: 6.118 units. (sovietcams.com)