Aperture Ring
   Offers basic photography lessons on exposure, composition and depth of field with a collection of photographs.
   http://www.aperturering.com/

Chemical process factors in a minilab
   Discussion about several details that contribute to the photo finishing quality and the principal processing factors of the chemical processes used to produce prints from color negative films.
   http://www.sapiensman.com/minilabs/

Farzad's 5-stop Approach
   Spotmeter technique uses Farzad's simplified 5-stop approach that can be used with all films.
   http://www.spotmetering.com/pentaxsp/

Focus Online
   News, reviews, tips, articles, and reader's photos. Emphasis seems to be on digital photos
   http://www.focalfix.com/

Fotoopa
   Experimental, primarily high-speed photography, explained in English and Dutch.
   http://users.skynet.be/fotoopa/

High Speed and Scientific Photography
   Ballistics, high speed, peripheral, panoramic, infrared, Schlieren, Phoenix Process and related photographic techniques.
   http://www.rit.edu/~andpph/pictures.html

How to Photograph Holiday Lights
   Aricle from the New York Institute of Photography. Site offers tips how to make quality photos with the assortment of illumination that is displayed during the holidays.
   http://www.nyip.com/ezine/holidays/holidaylights.html

Large Format Photography
   A non-commercial community of large format photographers. Includes a selection of primers, how-to articles, user reviews of equipment and a discussion forum.
   http://www.largeformatphotography.info/

Nature Photography
   Images and articles by Larry Sizemore. Technical and descriptive articles covering exposure, macro, light, birds, and wildflowers.
   http://www.larrysizemore.com/

Richard Tweney Communications
   Offers to answer photography questions through e-mail, and sells a series of photography technique booklets. Site also contains a small image gallery.
   http://www.eagle.ca/~twenvach/

Spot Metering
   The site is an overview of a simplified (5-stop) spot metering book, including links to cheat sheets for many of today's 35mm and digital cameras.
   http://spotmetering.com

Unblinking Eye
   Features technical articles on darkroom techniques, historical and alternative processes and print finishing. Includes developer formulary, developing times, travelogues and image galleries.
   http://unblinkingeye.com

Weather Photography
   Photos and timelapse video clips of clouds, atmospheric optics, lightning and astronomy. Extensive how-to information on weather photography.
   http://www.weather-photography.com/