Gimp

Brighness negative

Duotone cyanotypes #3 – Make negatives using GIMP

Part 3 in Matthew Bary’s series Duotone cyanotype is a detailed guide for creating cyanotype negatives using Gimp software. It covers steps for flipping images, adjusting colors, adding registration marks, separating images into color components, applying curves, and exporting negatives for cyanotype printing. Writer and photography / Matthew Bary Read the SDS (Safety Data Sheet) before attempting to use chemicals and use the correct safety equipment. Lets start with a … Read more

Two negatives are placed on a piece of cotton cloth: size approx. A2.

Cyanotypes – how blue can you get?

Ray Harris gives an overview of the cyanotype process and his interpretation of blues and shares his cyanotype process. Writer and photography / Ray Harris Read the SDS (Safety Data Sheet) before attempting to use chemicals and use the correct safety equipment. Anna Atkins was born on 16 March 1799 and produced the first book to include ‘photographs’ which were in fact, cyanotypes. This post goes into more detail on … Read more

Load a curve in photoshop

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.

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.