Guy J Brown | Photographer
Technical articles
The following technical articles are available for download. Click on the image to download the document in PDF format.
 

High dynamic range digital photography. Royal Photographic Society Journal, November 2006, pp. 428-431.
Errata: The reference to 1.6 million colours on page 428 should be 16 million colours.

Further reading:

High Dynamic Range Imaging: Acquisition, Display, and Image-Based Lighting by Erik Reinhard, Greg Ward, Sumanta Pattanaik and Paul Debevec, Morgan Kaufmann Series in Computer Graphics

The HDRI Handbook: High Dynamic Range Imaging for Photographers and CG Artists by Christian Bloch, Rocky Nook
 
 

Beta by far (review of Adobe Photoshop CS3 beta). Royal Photographic Society Journal, April 2007, pp. 54-59.

Further reading:

Adobe Photoshop CS3 for Photographers: A Professional Image Editor's Guide to the Creative use of Photoshop for the Macintosh and PC by Martin Evening, Focal Press

Super size Sigmas (review of Sigma APO 120-300mm f/2.8 EX DG and APO 300-800mm f/5.6 EX DG). Royal Photographic Society Journal, June 2007, pp. 226-229.

Sample images:

Sigma APO 120-300mm f/2.8 EX DG

Sigma APO 300-800mm f/5.6 EX DG

Sigma APO 120-300 f/2.8 + 1.4x EX Teleconverter

Sigma APO 120-300 f/2.8 + 2x EX Teleconverter

Spherical Panoramas (review of the Panosaurus spherical panoramic tripod head). Royal Photographic Society Journal, July/August 2007, pp. 274-277.

Further reading:

Lee Frost's Panoramic Photography Lee Frost, David & Charles

360 Degree Imaging: The Photographers Panoramic Virtual Reality Manual (Photography on the Web) by Phillip Andrews, Rotovision

Sample images:

Click on the images below for a full-screen interactive 360-degree panorama (requires Apple Quicktime).