>
> lf you go to http://www.ilford.com you will find in one of the pages the
> technical information on the paper that you are looking for. The actual
> page is
> http://www.ilford.com/html/us_english/prod_html/multirc/multi_iv_rc.html#Te
> chnical%20Data
> which is a bit of a type-full. It is easier to click 'products' when you get
> to the homepage.
>
> There is no mention of 'deluxe' so I assume that 'portfolio' is the same,
> the backing may change but not the emulsion in all probability.
>
> Anyway, the iso is 500 if you are not using any filters to alter the
> contrast range of the paper.
>
> Good luck
>
> Alexis
That's a paper ISO speed and not a film ISO speed. Probably a factor
of a 100 or so different.
