Charles Walters (CWalters@ColoradoCollege.edu)
Tue, 06 Apr 1999 11:36:16 -0600
Thanks to those on the list for all your help and discussions around the
issue of point versus diffuse sources for digital negatives. Looks like a
few comparative tests are in order.
Charles.
> ----------
> From: Carl Fransman
> Reply To: alt-photo-process-l@sask.usask.ca
> Sent: Friday, April 2, 1999 1:37 PM
> To: Alt Photo
> Subject: RE: Trials and Tribulations of the Digital Neg.
>
> Dear Charles,
>
> Most, if not all, pointsources used in graphic arts workshops are ideal.
> These are used to copy film to plates for instance. Most have
> multi-spectrum lamps which peak between 350 and 410 nm which is ideal for
> you process. They also have a vacuum system which is necessary to avoid
> strange artifacts when using rasterized film.
> I've been able to test my first prints like that in a local printshop.
> Upon some explaining of what you want to do, most (small) printshops will
> be happy to help - they even helped operating the thing... I now have a
> system at my disposal. They can be found very cheap in the secondhand
> market. With some talking to graphic arts dealers, they usually spot one
> for sale very fast and cheaply - they do it as some extra service to
> their customers for which the damn thing just takes a lot of space when
> they buy a new - and usually bigger - one...
>
> Greetings,
>
> Carl Fransman
>
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This archive was generated by hypermail 2.0b3 on Thu Oct 28 1999 - 21:39:30