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How to get better autofocus June 23, 2021 Mirrorless cameras have introduced a range of new autofocus systems, so Angela Nicholson explains the good, the average and the downright amazing As mirrorless cameras don’t have a mirror to bounce light into a viewfinder or onto a dedicated autofocus sensor, they use the imaging sensor to gather the focusing information to drive the lens. The first mirrorless cameras used contrast detection autofocusing, and although some manufacturers have stuck with it, most use phase detection or a hybrid system that combines phase and contrast detection. Contra...

Which camera maker has the best autofocus for moving subjects? May 22, 2021 Autofocus systems have become very sophisticated over the last few years. In the third of our Nobody Does It Better series, Angela Nicholson looks at which camera manufacturer makes it easiest to get moving subjects sharp. Let’s start with a bit of background… Most of the light that exits the lens on a single lens reflex (SLR) camera is reflected up by the mirror into the viewfinder but a small amount passes through and onto a secondary mirror which reflects it towards the dedicated autofocus sensor. A small lens ...