@Mopsi Ilford PanF 25asa/iso - given extra exposure and developed in perceptol (I guess there must be, also, an available equivalent these days) might get you in the ball park. Though: not sure why one should want to, excepting experimentation of course. 😎
@Mopsi Yup 6 ISO film was copy film. Mostly to copy documents and other film. They don't make it anymore that I'm aware of but the FPP store does sell some. It can be used as regular B&W film.
@Mopsi There's one by Adox with ISO 12, if you'd like to give it a try.
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