Photographing in a public place, surely that's ok? But when it involves your front door and Google Street View cameras snap, it's somehow an 'invasion of privacy'

Having just defined the F-stop it is worth highlighting the use of Waterhouse Stops, which were both an early attempt and a very precise way to vary the aperture of…

The F-numbers that define aperture settings are so common that they are frequently taken for granted. But what do they mean and what is it that makes an F-number on…

Our thoughts on the high-end Olympus E-5 DSLR which looks set to be the final Four Thirds DSLR

Lenses are often said to incorporate “low dispersion” glass but what exactly is dispersion and why must it be minimised?

Our thoughts on the mid-level Nikon D7000 DSLR with some brand new and exciting features

What Digital Camera is at Photokina 2010. Get all the latest news on the show here. We'll be updating this page several times a day so be sure to keep…

Blur isn’t always the enemy in photographs: creative use of motion blur is a useful tool, especially if you have an image-stabilised lens that is designed to reduce blur caused…