Tag: digital negatives

Platinum / Palladium Printing with Kate Jordahl and Vaughn Hutchins, spring/summer 2013

Learn about platinum print statements, demonstration of printing processes, paper choices and coating techniques.

Figure A. Positive tablet 8 bit gamma 2.2.
Digital negatives

A three step method for making digital negatives by Ron Reeder and Christina Z. Anderson, an excerpt from Gum Printing and Other Amazing Contact Printing Processes.

8 bit step wedge
8 bit step wedge

Download the 8 bit step wedge free here to go with the digital negative system in Christina Z. Anderson’s book “Gum Printing and Other AMAZING Contact Printing Processes”.

Nancy Breslin Blog
Teaching Winter Session, Week 4

Nancy Breslin is teaching alternative photographic processes at the Uni. Here we can follow her five week course. Week four and the finishing line is approaching.

Sarah van Keuren
A Non-Silver Manual: Desktop negatives

The chapter called “Desktop negatives” of Sarah Van Keuren’s book “A Non-Silver Manual: Cyanotype, Vandyke Brown, Palladium & Gum Bichromate with instructions for making light-resists including pinhole photography”, written by Sandra C. Davis.

Peter Blackburn
Gum and negatives with a twist of Français

Peter J. Blackburn shows how variables in gum printing can alter the desired outcome of your negatives.

Alex Tymkow
Pyro, digital negatives and alternative processes

Alex Tymków outlines a method of combining pyro, digital negs and alt. proc.

slogans history
Glossary and explanations for Digital Negatives

Starting out with making digital negatives you may come across some terms you’ve never seen before, like "gamut", "ppi" and "random dots". This glossary may make a little more sense of it all.

negatives clay harmon
Digital Negatives: The Color Ratio Method

There are several different ways of making a digital negative, but all seem to involve a Photoshop curve at some point. In this article geologist Clay Harmon applies his skills to photography and has developed his own curve for a Pyro-like digital negative – to be used with an Epson 2200, but, it can also be tweaked for other printers. All free to download here.

curves negatives
Curve corner – Photoshop and Gimp curves for making digital negatives

A curve could be described as the representation of all the tones in an image, from highlights to shadows. Photoshop curves are a great tool for creating a balanced digital negative. They help you control the tonal values and contrast of an image or a negative. Now you can download ready-made curves here – or upload yours to share with others.

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