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Write the first reviewTasma (?????) is an almost unknown Russian producer of photographic (black-and-white) film in the West. The company has been supplying black-and-white film for photographic and cinematographic applications since 1933. Mainly on the Russian market and also in some ex-Soviet countries, hence the unfamiliarity. In the last century, the company developed a number of black-and-white surveillance films specifically aimed at aviation. Tasma was one of the few factories that was able to supply film to the Russian army during the Second World War. After the war, the use of the emulsions was extended to other applications including the production of 35mm film (KN-1, KN-2, KN-3, T-25, T-42, ...) for the photographic (Russian) market and 16mm, 35mm and 70mm film for film productions. The latter films in particular gained international fame among alternative cinematographers, which gives the films cult status.
This Tasma T-42(L) black-and-white 120 film was cut by our Russian colleagues from SREDA Film Lab (SFL - Moscow) from a fresh bulk roll of T-42 and spooled into individual 120 roll films. As a result, T-42 is available in roll film format for the first time as an experiment. After all, the film is still hard to get here in the West and often only in large bulk rolls.
Tasma T-42 is a black-and-white film with an approximate nominal film speed of ISO 400. The film contains a large amount of silver and is flexible in use, the film can be exposed between ISO 100 and 1600 without any problems. The grain structure is similar to Kodak Tri-X. When pushing the film, the contrast increases without becoming disturbing. At high speeds and in combination with an infrared filter, the film can also be used as an infrared film.
In contrast to most black-and-white films, the film has a thin PET base with improved antistatic properties. The film usually gives the best results in the Kodak D-76 film developer. At dilution 1+3 (20 °C) the softest halftones are achieved. As with Foma films, this film will also give off a blue-green color during development.
Developing times in common photochemistry:
Developer |
Dilution |
Time |
|
D-76 |
1+3 |
24 min / 20°C (ISO 400) |
|
D-76 |
1+1 |
12 min / 20°C (ISO 400) |
|
MICROPHEN |
Stock |
6 min / 24°C (ISO 400) |
|
MICROPHEN |
Stock |
7 min / 22°C (ISO 800) |
|
MICROPHEN |
Stock |
6 min / 24°C (ISO 800) |
|
MICROPHEN |
Stock |
8 min / 24°C (ISO 1000) |
|
MICROPHEN |
Stock |
14 min / 24°C (ISO 1600) |
|
RODINAL |
1+50 |
7 min / 22°C (ISO 200) |
| Film size | 120 Film |
| Film type | Black-and-white negative |
| Film speed | ISO 400 |
| Number of exposures | 6x4.5: 16 exposures; 6x6: 12 exposures; 6x7: 10 exposures |
| Contrast | Medium-High |
| Grain | Medium |
| Development process | Black-and-white |
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- Product: SFL (Tasma) T-42 120
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