Some Useful Photo Information

Pentax 67 buyers guide
Home made developing tube experiences
Cedric's Home made developing tubes
Large Format FAQ (Draft)
Large Format Lens Specifications
Photographic Lenses Tutorial
Photographic Lenses FAQ
Bellows making
Filters
Colorimetry
Comments on 35mm compact cameras
FAQ introductory list
Basic Darkroom FAQ
Comments on Photo Stores
Miscellaneous stuff
A rating system for second hand
Pin registration for masking
Technical Pan in BTZS tubes
Filter holder systems
Tmax Development