Charlie,
Thanks. But .......... should the ortho films with low ISO? Such as ISO 8 or
6? The exposure time will be very short for ISO80 ........... Today the
tutor showed about 3 sec with F5.6 in ISO8 ortho film.
By the way, is any ISO6 or 8 ortho film in the market?
Thanks.
---
Michael
On 31 July 2010 02:59, Charles Geilfuss <charles.geilfuss@xxxxxxxxx> wrote:
> Michael,
> Ilford's website says it is ISO 80 in daylight but ISO 40 in tungsten
> light (?).
>
> Seen here: http://www.ilfordphoto.com/Webfiles/200621611533563.pdf
>
> Charlie
>
> On Fri, Jul 30, 2010 at 2:47 PM, Michael Wong <mialop@xxxxxxxxxxxx> wrote:
>
> > I'm calling ortho film for my prints in darkroom. I have searched B&H and
> > have found Ilford one :-
> >
> >
> http://www.bhphotovideo.com/c/product/24605-REG/Ilford_1813157_Ortho_Plus_4x5_B_W.html#specifications
> >
> > The specification shown speed is index 80, that means what ISO is?
> >
> > Thank you very much!!!!
> >
> >
> > ---
> > Michael
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