On my blog

On this website

Galleries of photographs

Recent galleries, older galleries not yet superseded, and galleries elsewhere:

Tutorials about photography

At the moment, all my tutorials are at the North Cheshire Photographic Society website, along with those of other people:

Articles about photography

Pentax articles

Miscellaneous articles about photography

DNG - Digital Negative format

About 30 pages; the most comprehensive source of material outside Adobe's website:


5 pages and 2 galleries about (photographic) Physiograms, Lissajous figures, & twin-elliptical figures:

Microsoft's HD Photo / JPEG XR

About 5 pages:

Page created: 2010
Page last updated: 2 November, 2013
© Copyright: Barry Pearson 2003