About PhotoCentric.Net

PhotoCentric.net was launched in 2003 with the purpose of helping photography enthusiasts make better images. , Roy Sewall, and Kent Mason posted articles, reviews, tips and photo galleries. Exclusive articles on fascinating photo topics have been contributed by guest authors including Tony Sweet, Carl Root, Ted Oberman, Anita van Rooy, Marianne Davis, Judy Switt and Gordie Corbin.

Roy Sewall founded a web site dedicated to his full-time photography business: coffee table books, fine art prints, commercial photography, publications, judging photo contests, presentations, workshops, and providing constructive photo critiques to student photographers. Visit and bookmark Roy Sewall Photography at roysewallphotography.com. Roy is profiled in the Best of DC.

Kent Mason founded a web site focusing on the West Virginia Wilderness, "A Photographic Study and Conservation View." Articles, video, and his incredible collection of West Virginia images inspire the viewer to conserve and preserve wild places everywhere. Visit and bookmark WV Photographs at wvphotographs.com.

Tom Field continues to maintain PhotoCentric.Net with sample galleries from his photographic collection and with new and updated articles. Send your comments, suggestions, and inquiries to .

About Thomas H. Field

Tom Field at Arches Trail,
Dixie National Forest, Utah

... is a photographer and multimedia developer, as well as a systems architect. His previous occupations include operations executive at a small business, middle manager at a large corporation, electronics developer, low-temperature physics researcher (superconductors), audio engineer, and professional musician. His passion for photography spans 40 years, and he uses digital imaging extensively in his multimedia business. He sells fine art prints created on an HP large format printer. Tom has contributed to three books and is profiled in the Best of DC and the Global Village Directory. He enjoys corresponding with photographers across the globe, usually relative to articles on this website, and giving presentations and workshops on Photoshop and digital photography.

Tom embraced digital photo technology in its infancy, using a high-resolution film scanner and desktop photo printer. His first digital was a Casio boasting one-quarter megapixel truly an amazing device at the time, but no longer even a yardsale relic. When Canon introduced its first six-megapixel SLR (D60 in 2002), Tom shifted to an all-digital workflow didn't look back.

Building custom, high-performance "WinTel" computers optimized for photo and video use started out as a necessity and developed into another hobby. Tom was an early devotee of the digital darkroom and (at the time) advanced processes: panoramic stitching, focus blending, high dynamic range imaging, tethered camera remote control, high-definition photo/video production (Blu-ray). His video work begain with digital non-linear editing (NLE) in 2001; back then (remember Windows 98SE?) even standard definition digital video required expensive digital processing boards inside a dedicated computer with high-performance 4-disk RAID. Now high definition editing can be done on an ordinary laptop (notwithstanding the slow rendering times).

At the North Bethesda Camera Club, Tom helped to pioneer "electronic image" competition using digital projection by writing custom software now used by numerous camera clubs. He joined the competition in 2006 and received top honors as Photographer of the Year, Advanced Electronic Images.

Tom currently uses the following equipment:

  • Canon DSLR bodies
  • Numerous EF lenses from ultra wide to supertelephoto and tilt-shift to supermacro
  • Underwater housings and ETTL strobes by Ikelite
  • Canon flashes and Paul C. Buff monolights with Lightgear softboxes
  • Canon and Sanyo high-resolution projectors
  • Gitzo 5-series tripods from standard to giant
  • Ball, fluid, and gear heads by Gitzo, Manfrotto, Really Right Stuff
  • HP z3200 44-inch archival 12-ink printer
  • Photo cases by Lowepro, Kenesis, Think Tank, and Pelican
  • Martin Roboscan and Robocolor lighting systems
  • BSS-Brooks Siren loudspeaker management system with 23,500 Watts rms of audio amplification... oops, that's getting over into the event production department!

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Updated 3-feb-12   Contents copyright © 2001 - 2011 PhotoCentric.Net, All Rights Reserved