Technical guides
Advanced technology guide: focal-plane shutter
An appreciation of the modern focal plane shutter
Digital camera sensors explained
Every digital camera has at its heart a solid-state device which, like film, captures the light coming in through the...
Advanced technology guide: why high pixel counts matter
More pixels will make all your lenses look better
Ultrasonic sensor cleaner: what is it and how does it work?
In this article we look at the ultrasonic sensor cleaner, providing a guide to what it is for and how...
Fisheye lens: what is it and how does it work?
In this article we look at the fisheye lens, providing a guide to what it is for and how it...
Blue Spectrum Refractive: Advanced technology guide
Bob Newman looks at Canon's new Blue Spectrum Refractive element
What are Micro Four Thirds cameras?
Micro four thirds cameras explained. Are you wondering what micro four thirds cameras are? We explain all you need to...
Anti-shake Technology Explained
Image Stabilisation. Vibration Reduction. Anti-Shake. It goes by lots of names but the aim remains the same – to eliminate...
How to clean your sensor
WDC looks at one of the hottest topics in digital photography, discovers what manufacturers are doing about it plus examines...
The world of Flickr
More than just a photo-sharing website, Flickr has rapidly become a global phenomenon, with over 22 million members. WDC discovers...
Your Complete Guide to Flash Technology: Types of Flash
It’s one of the most complicated subjects in photography, filled with impenetrable jargon, and requiring a knowledge of science and...
Your Essential Guide to DSLR Video – About DSLR cameras with video mode
Capturing video using a DSLR is a relatively new concept that brings a whole new set of terminology to the...
Geo tagging explained
How many times have you been asked: ‘where was that taken?' Geotagging works by endowing your camera with data from...
SDHC cards explained (Secure Digital High Capacity cards)
What are SDHC cards (Secure Digital High Capacity cards) and do we need them?
Low pass filters explained
What's a low pass filter, and what's it doing in your camera? Matt explains all in his guide to low...
Face detection / face recognition explained
By being able to detect a face in the scene, the camera can concentrate its autofocus on that person's face...
Lens Coatings
Why are lens coatings important? Matt reveals all in his guide to lens coatings...