I'm afraid I can't help you with that Michael since I don't know anything
at all about Ortho film. All I did was Google "Ilford Ortho Film" which led
me to their website.
Charlie
On Fri, Jul 30, 2010 at 3:23 PM, Michael Wong <mialop@xxxxxxxxxxxx> wrote:
> 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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