Classic Camera Profiles
Advice on camera selection and profiles of collectible cameras, focusing on Nikon and Leica rangefinders.

Fargo Enterprises, Inc.
Searchable directory of camera repair companies, camera repair manuals and parts, and camera manufacturers.

Free Camera Instruction Manuals
Scans of owner's manuals including Exakta, Canon, Kodak, and Zenit.

HowStuffWorks: Autofocus Camera
Illustrated descriptions of active and passive autofocus technology used in cameras, with related links.

HowStuffWorks: How Cameras Work
Illustrated tutorial in everyday language. Includes information on single reflex (SLR) and pinhole cameras.