[pure-silver] Re: New color head "discoveries"
- From: "Don Feinberg" <ducque@xxxxxxxxxxxxxx>
- To: <pure-silver@xxxxxxxxxxxxx>
- Date: Thu, 13 Jan 2005 12:04:23 -0600
> Don, magenta filters fade and do so quickly if you don't have a heat
> absorber in the light path before the filters. If your filter fades you
may
> not be able to get high contrast with any paper.
>
> Also if you have a white diffusing box.... it is possible over the years
the
> reflective surface inside can fade and go yellow.. So if you have
extremely
> yellow light coming out of the diffusing box filtered with even good
magenta
> it will be hard to get high contrast. Suggest you check those out.
Dave, what you're saying is 100% correct. However:
1) My color printing from the same head (Chromega II) is "nominal"; the +
and - CC changes apply properly and are "as expected". And my base starting
filtrations seem only about +/- 10CC from the recommendations on the Kodak
boxes. Of course, to complexify the situation, my starting M filtration is
generally about -10CC from the printed recommendation!
2) I can in fact get up to contrast #4 on Agfa, Kodak, or Ilford from the
filters in the head (contrast #4 is all you can actually get from a Chromega
II head anyway), and contrast #5 using the discrete filters. It appears to
be only the Forte which seems to exhibit this issue.
Cheers,
- Don Feinberg
ducque@xxxxxxxxxxxxxx
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