Dan Koons (dkoons@pld.com)
Thu, 15 Jul 1999 08:22:27 -0500
tech pan would be even better if it wouldn't show the power lines or
poles:) dan
>FotoDave@aol.com wrote:
>> ...
>> But if you want your original negative to have that much density range, you
>> might try tech pan film or even lith film processed for low continuous
tone.
>> ...
>
>I have tested Kodak Tech Pan film in the past and found a serious
>drawback. In comparison with Kodak Tri-X, I made an image with power
>lines in the distance (4x5 size, developed with HC-110). With a loop,
>the detail in the Tech-Pan looked better and the Tri-X looked grainy.
>However in the Pt/Pd contact prints, the power lines were clearly
>visible from the Tri-X and about disappeared from the Tech-Pan. This
>has something to do with the grain producing sharpness, transfer
>functions, mathematics, and science. Bottom line is: I would recommend
>against the use of Tech-Pan film for Pt/Pd printing.
>
>--
>Jeffrey D. Mathias
>http://home.att.net/~jeffrey.d.mathias/
>
Dan Koons
Southwest Medical Center
Radiology Department
PO Box 1340
Liberal, Kansas 67905
316/629-6286
Fax: 316/629-2435
E-Mail: dkoons@pld.com
This archive was generated by hypermail 2.0b3 on Thu Oct 28 1999 - 21:40:36