HowStuffWorks: Autofocus Camera  
   Illustrated descriptions of active and passive autofocus technology used in cameras, with related links.
   http://www.howstuffworks.com/autofocus.htm

Classic Camera Profiles  
   Advice on camera selection and profiles of collectible cameras, focusing on Nikon and Leica rangefinders.
   http://cameraquest.com/classics.htm

HowStuffWorks: How Cameras Work  
   Illustrated tutorial in everyday language. Includes information on single reflex (SLR) and pinhole cameras.
   http://www.howstuffworks.com/camera.htm

Free Camera Instruction Manuals  
   Scans of owner's manuals including Exakta, Canon, Kodak, and Zenit.
   http://www.cybcity.com/caminfo/

Fargo Enterprises, Inc.  
   Searchable directory of camera repair companies, camera repair manuals and parts, and camera manufacturers.
   http://www.fargo-ent.com/index.html

Camera Hacker  
   Thoughts and procedures on hacking camera equipment, accompanied by product reviews.
   http://www.camerahacker.com/