Jon Tarrant

The Canon EF-S 55-250mm is a versatile tele-photo zoom lens that delivers some excellent lab result. Find out more in the full What Digital Camera lens review

Almost two years ago I had a go at explaining F-stop numbers but on re-reading that article I’m not sure how useful it was (and its over-simplification was sometimes so…

Trying to evaluate the sharpness of macro lenses at macro reproduction ratios is tricky. Here is a quick look at the nature of the problem – and the real-world performance…

Pentax has been the name on some outstanding photographic products over the years and now the company has unveiled its intended launches for the next two years. Let’s take a…

What Digital Camera reviews the Nikon AF-S 35mm f/1.4G to find out if it's worth the high asking price