Professional light meter Electronika
Used not only for photography, but as scientific instrument to measure intensity of light.
Scale for film: From 1 to 2000 GOST/ASA ( from 3 to 36 DIN)
Scale for Shutter speeds: From 30min to 1/4000 of sec
Scale for Diaphragm: From 0.7 to 64
Used Newton viewfinder for precise aiming.
Powered by 4 rechargeable sell batteries type D-006
Made from grey and black plastic.
Set included set of rechargeable batteries, AC Adapter, hand string, leather case, manuals, and box.
Made by Aleksandrovkiy plant, near city of Vladimir in main Russia.
Price in 1975 – 50rubels (confirm)