Mirrorless cameras are a bit of a buzzword at the moment. At one time, any serious photographer or hobbyist would get a DSLR – but now mirrorless cameras increasingly offer the same image quality, versatility and features in a smaller, lighter body. The difference between mirrorless cameras (also called ‘compact system cameras – CSCs’) and […]
Phase detection AF
An autofocus system that checks the position of objects from two angles. If they don't line up the object is out of focus – and the system can use the difference to work out how far to refocus the lens and in which direction. Phase detection AF sensors are used on DSLRs and now phase detection pixels are built into some mirrorless camera sensors.
Just about all digital cameras have autofocus systems, and while there’s a wide range of different autofocus (AF) technologies, the basic principles of how autofocus works is the same across all of them and boils down to two things: AF modes and AF points. AF mode: WHEN the camera focuses If you’re taking one picture […]