Re: speed of Ilfochrome classic.

I've done some more trials, indoors with tungsten l9ight and no filtration.
I'll do more but I think I might revise the speed estimates downward. I
really like the saturated warm colors of a little under exposed print.
----- Original Message -----
From: "George L Smyth" <glsmyth@yahoo.com>
To: <pinhole-discussion@pinhole.com>
Sent: Tuesday, February 05, 2002 8:24 AM
Subject: Re: [pinhole-discussion] speed of Ilfochrome classic.

>
> --- Bill Erickson <erickson@hickorytech.net> wrote:
> > Here's my first tries. With a pinhole of known diameter at optimal
distance
> > from the paper, ASA 3 will yield a good print at 20 minute exposure. At
7
> > minute exposure it looks like ASA (ISO)4 might be closer to the mark.
Keep
> > in mind that using different ASA at different exposure time accomplishes
the
> > same thing as using different multipliers for reciprocity failure at
> > different exposure times.
>
> Bill -
>
> Thanks for the information. Are you using a filter to compensate for the
color
> shift? If not, the EI may need to be lowered if one is applied.
>
> Thanks -
>
> george
>
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Received on Tue Feb 5 13:33:07 2002