Convert GOST to ISO/ASA/DIN

Many people purchase older Soviet cameras or light meters and wonder how to set the film speed. Older Soviet cameras measured film sensitivity settings in GOST units instead of the newer ASA/ISO or older DIN speeds. The settings aren’t far off, this is a table to map GOST to ISO/ASA:

 

GOST ASA DIN
11 12 12
22 25 15
28 32 16
56 64 19
90 100 21
110 125 22
140 180 23
180 200 24
360 400 27
560 650 29
720 800 30
900 1000 31
1125 1250 32
2880 3200 36

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