Astrum is a manufacturer in the east Europe making emulsions from the recipes of the late Soviet giant "Svema", which used to be a famous film manufacturer.
This film is coated onto a transparent polyester basis (0.1mm). It is famous for its fine grain and its high sharpness.
Its sensitivity expanded into the near infra-red (up to 750nm).
The cartridge doesn't have a DX Coding.