I have published the following articles sofar in Pentax User magazine:
Issue 3 2003: Portfolio by ADAPS Members. I prepared the images and wrote the text. 4 pages.
Issue 1 2004: In Search of Rembrandt. Lighting technique project at ADAPS. Co-written with Harry Gladson. 2 pages.
Issue 4 2004: Back To The Roots. Article on buying and using Spotmatic cameras and lenses. 3 pages.
Issue 2 2005: A Time To Change? Article on changing to a DSLR, the *istDS. 2 pages.
Issue 3 2005: Dial M for...Pentax Part One. Article on M series cameras. 3 pages.
Issue 4 2005: Dial M for...Pentax Part Two. Article on M series lenses. 2 pages. Also Shooting Girls. Article on orgainising a studio shoot, co-written with Paul Jones. 3 pages.
Issue 2 2006: Images of England. Article on the English Heritage project. 3 pages.
Issue 3 2006: Special K Series. Article on K series cameras and lenses. 3 pages.
Issue 4 2006: Which Lens? Article on choosing and using the currently available lenses. 4 pages.
Issue 1 2007: Blast From The Past. Article on collecting old photographic magazines. 2 pages.
Issue 3 2007: The Way We Were. Article on how amateur photography has changed since the early 1900s. 3 pages.
Issue 2 2008: Through The Eyes of Pentax. A guide to the current range of Pentax lenses. 4 pages.
Issue 4 2008: Portmeirion - A Photographers' Paradise. A guide to better location photography using Portmeirion as an example.
Here is a sample article:
Articles on photography can be supplied as required at your standard rates. These do not have to be related specifically to pentax cameras, but in general the images will be shot on Pentax equipment.
If required other makes of camera can be utilised to illustrate the text.