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.

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.

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.

Gimp Negatives

How to make digital negatives

An easy way to make interesting negatives with the help of a computer. If you think Photoshop is too expensive – The Gimp is a cheaper program – it’s actually free.