Response to Acros in Microphen - and why are ISO ratings inflated?

Sal,

I'm holding a box of Tri-X that says ISO 400/27(o) and a box of Verichrome Pan that says ISO 125/22(o).

Ilford also states ISO film speeds (can you believe that in my third hand I'm holding a box of FP4+ that says ISO 125/22(o)?) but for processing times offers a range of EIs from 50 to 200. Kodak seems to assume you are either shooting at 400 for TriX or 125 for VP or you can figure out an appropriate EI for yourself.

I've never used the Tmax films so I can't state for certain what's on those boxes.

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