[alt-photo] Re: QTR
tom at sobota.net
Sat Oct 1 15:01:35 GMT 2011
John, as for gum, it is a different technique from most of the other
processes because usually you will be applying several coats. So, the need
to get a perfectly matched negative for the process is not so important
since you can always correct density/contrast/color/whatever with the next
This is not to say that I don't adjust my negs, I usually use PDN for this.
It makes life easier but the difference is not as clear-cut as with other
processes and you can get quite decent gumprints without adjusting at all.
On Sat, Oct 1, 2011 at 1:50 PM, John Brewer
<john at johnbrewerphotography.com>wrote:
> Hello everyone
> I'll put up some screen shots and images on my website to show my workflow
> and the issues I have. I'm using an Epson R1900 which puts down plenty of
> ink onto Agfa Copyjet film.
> One problem I'm having is using QTR to get a relatively smooth step table
> quickly and economically. This is costing a fortune in ink and film, about
> 30 A5 sheets to get in the ball park! Maybe I'm overdoing the accuracy of
> the QTR curve as the .acv curve seems to be slight. At the moment I'm
> working with VDB then hope to go onto cyanotype and then gum.
> Clay, I'm using your tutorial with Ike's script. I'm reluctant to buy Ron's
> book as I bought the old edition only to find the new edition appear two
> weeks later.....
> Thanks guys
> On 1 October 2011 06:42, Jon Lybrook <jon at intaglioeditions.com> wrote:
> > Thanks for the procedure Clay. I look forward to reading it.
> > Anyone know if the Ebook chapters on QTR fromhttp://www.digital-**
> > negatives.com/ <http://www.digital-negatives.com/> are significantly
> > different from the hard copy edition?
> > Have a great weekend!
> > Jon
> > On 9/30/2011 5:46 PM, clay harmon/website wrote:
> >> I have a procedure outlined in a .pdf file that can be downloaded here:
> >> http://www.clayharmon.com/**techne/?page_id=2<
> >> Ron and I have corresponded frequently about QTR over the last few
> >> and we are in violent agreement on most aspects of this approach. I
> >> heartily recommend buying his e-book,
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