This is a 10 sheet box of 4x5" ATO2.1 25 ISO Advanced Technical Ortho Supergraphic Film from Rollei. This film is an excellent choice when you wish to copy line drawings or high contrast prints. It is characterized by a super fine grain structure, excellent tonality and controllable contrast (depending on the developer dilution). The film is produced on a clear, 100 micron synthetic base.
Note: Maco is the actual owner and manufacturer of this film. They purchased the Rollei and Agfa names and formulas. This item may be sold under different names but it is the same film
Low sensitivity - ISO 25
Good for high contrast prints
Super fine grain
4x5" black and white lith film
High contrast line photography
To achieve higher contrast with this film, it is recommended to develop with Rollei RLC developer diluted 1:4. To get higher contrast with tougher gradation, use Rollei RHS developer diluted 1:7 or Kodak X-Tol; RSL Superlith