Cambridge in Colour

Cambridge in Colour is a great photography resource on the web for beginners and advanced photographers alike.

This site has a large number of visual and interactive digital photography tutorials that can help you fill in gaps in your knowledge of digital photography. Articles range from things as basic as “Understanding Depth of Field” to subjects as advanced as “Understanding Diffraction: Pixel Size, Aperture and Airy Disks“. If you’ve never visited this resource, it’s definitely worth a look.