Post-processing tutorials

Noise in Digital Photography 
What is it? What causes it? How to avoid and reduce it in camera and in post-processing in Adobe Photoshop.
This document is based on a workshop I ran at BirdLife Australia's Digital Photography in the Bush conference in March 2017. While primarily aimed at bird photographers, it is general enough to be useful for all sorts of photography.

Photographing White Birds: An Exposure Challenge
In this article I describe how understanding how a camera light meter works and how to adjust exposure settings will enable you to get the best exposure using two examples of white birds. However, the advice here is equally useful for any tricky exposure situation.
This document is based on an article written for Birdlife Photography.