Modern Low Light Autofocus is Really Bad. And Here's Why.

"Oh man, you don't even need to have the photographer; what's the point of even hiring one?" This is what a marketing rep from a competing company told me when the Sony a1 was launched. He was impressed. But he, and perhaps many Japanese camera manufacturers, have even begun to understand one of the biggest problems with modern autofocus. It starts with low light autofocus in cameras and spreads further with an issue that's plagued the industry for decades.