reciprocity chart for ilford multigrade RC paper

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Henry - 18 Feb 2006 12:29 GMT

I am doing pinhole photography, with multigrade rc paper as negative. I
am looking for some reciprocity chart for that paper (or any paper).
Does someone have such a chart ?

Henry

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Claudio Bonavolta - 18 Feb 2006 12:41 GMT

Henry a écrit :

> I am doing pinhole photography, with multigrade rc paper as negative. I
> am looking for some reciprocity chart for that paper (or any paper).
> Does someone have such a chart ?
>
> Henry

I haven't seen such chart for Ilford papers but I've the tec data for
Agfa Multicontrast Classic (FB) and Premium (RC) with these charts up to
100 seconds (including a similar chart with the contrast change versus
the exposure length).

You can still see these charts on:
Classic: http://www.plumeltd.com/artzone/paperzone/amcc.htm
Premium: http://www.plumeltd.com/artzone/paperzone/amcp.htm

These two papers do not respond in the same way so it may be difficult
to extrapolate to Ilford Multigrade IV RC.

Have you tried to send an email to Ilford ?

Best regards,
Claudio Bonavolta
http://www.bonavolta.ch

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Bogdan Karasek - 21 Feb 2006 05:57 GMT

Hello,

I think that now that Agfa has ceased production of these papers, the
chart is a bit useless :(

Has anybody found a suitable replacement for Classic? I'm still good for
another 6 months :(

Ciao,
Bogdan

> Henry a écrit :
>
[quoted text clipped - 21 lines]
> Claudio Bonavolta
> http://www.bonavolta.ch

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Bogdan Karasek
Montréal, Québec e-mail: bkarasek@videotron.ca
Canada

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