W - 25 iso/15° - Orthochromatic film on Kozo paper
4"x5" Black & White Sheet Film (12)
This is the original Washi Film, hand coated on Moriki Paper's Tosa Washi (Kozo).
With high sensitivity to blue, less to green and no sensitivity to red light, this film gives best results with urban, portrait and still life photography.
https://filmwashi.com/datasheet/W25_en.pdf
