Electronic flash: What is it and how does it work?
In this article, we look at the electronic flash, providing a guide to what it is for, and how it...
Technology guides
BSI sensor (backside illumination): Advanced technology guide
The APS-C-sized sensor in Samsung’s new NX1 uses BSI technology. Bob Newman explains what it is...
Bayer filter: What is it and how does it work?
In this article, we look at the Bayer filter, providing a guide to what it is for, and how it...
Cross points: Advance technology guide
Following the release of Canon’s EOS 7D Mark II with 65 cross focus points, Bob Newman looks at the advantages...
Nikon D810 – Base ISO 64 Analysed
Why do many cameras have a base ISO of 100-200? Bob Newman looks at the link between sensor size and...
Aspherical lens element: What is it and how does it work?
In this article, we look at the aspherical lens element, providing a guide to what it is for, and how...
Complete Guide To Lenses
The lens you choose to attach to the front of your camera is arguably the most important factor when it...
Our Essential Guide To Viewfinders And Rear Displays
Your camera’s viewfinder and rear display are important components that have a huge bearing on the way you use your...