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...