Sigma 24-105mm f/4 DG OS HSM|A review
In our Sigma 24-105mm f/4 DG OS HSM|A review, Andy Westlake tests, the latest lens in Sigma’s Art series –...
Author: What Digital Camera
Extra aspherical: Advanced technology guide
The latest lenses from Canon and Nikon use aspherical lenses made from extra-low dispersion glass
Ergos: Advanced technology guide
Bob Newman looks at the use of the word 'ergos' among camera buffs
Scene-recognition mode: What is it and how does it work?
In this article we look at the scene-recognition mode, providing a guide to what it is for and how it...
Backside illumination: Advanced technology guide
Professor Bob Newman considers Sony’s new full-frame, backside-illuminated sensor for the Alpha 7R Mark II
Best APS-C DSLRs
If your budget doesn’t quite stretch to a full-frame DSLR, but you consider yourself to be a passionate enthusiast who...
The delight factor of cameras
The delight factor may be an emotional response to a camera, but it’s as important as any physical feature