About the film
Tasma KN-3 is a Soviet black-and-white negative motion-picture film from Tasma in Kazan, respooled into a 135 cassette with 36 exposures. Best before 12/1973, so this is expired stock; the working speed is ISO 25.
What to expect
KN-3 was made for cinema, so it has a classic cine black-and-white look. After half a century in storage expect some fog, lower contrast and uneven speed — which is exactly what sets the results apart from modern emulsions.
Who it suits
Anyone who enjoys testing old Soviet cine stocks, bright daylight shooting and fully manual cameras.
One practical note
Rate it at ISO 25 and shoot in good light; a tripod helps on overcast days. Develop in ordinary black-and-white chemistry, ideally after a test roll.
Specifications
- Type: black-and-white negative cine film
- Format: 135, 36 exposures
- Speed: ISO 25
- Best before: 12/1973, expired
- Processing: black-and-white



