Light painting: Peter Solness's illuminated landscapes – video
Australian Peter Solness specialises in the photographic technique of light painting, not simply as a visual effect but as a way to reach more deeply to the heart of his subjects
The black art: wet plate collodion photography – video
Photographer Adrian Cook uses one of the oldest photographic processes to make unique images on aluminium plates. We join him in his portable darkroom for a shoot on Sydney Harbour
