ORTHO PLUS 80, designed for situations requiring high-resolution detail and fine grain. Its colour sensitivity is skewed towards green and blue.

It's perfect for landscape photography, and the film can be handled safely under dark-red safelights for more straightforward processing and development.
ISO 80 (ISO 40 in Tungsten light)
Fine grain, sharp orthochromatic black & white film
Can be processed/handled in deep red safelight