Rollei Ortho 25 film is a monochrome photographic film with a sensitivity of ISO 25/15. It is characterized by a latitude of up to two f-stops, depending upon development.
The emulsion offers an extraordinary sharpness and extremely fine grain. Rollei Ortho 25 is suitable for technical-scientific applications and as a half-tone film in pictorial photography. The highly clear transparent substrate opens the possibility of application as b&w slide film also.
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