Face Detection

As cameras get progressively loaded with new features, there will naturally be some push back from the old-fashioned types who enjoy the "authentic" photographic experience of manually controlling everything. Face detection may best exemplify the new wave of features which so many of us have smugly dismissed as useless. However, as Björn Utpott recently suggested, it's difficult to argue against the usefulness of face detection when one has experienced a good implementation of it.

Here's a simple example. I mounted the Zuiko 17mm lens on the Panasonic GH1 in 'P' mode and snapped four photos, two in 'Dynamic B&W' mode and two in 'Standard' (color). All were in camera JPEGs with automatic exposure. On the left, you can see the results using face detection. On the right are the results using center point AF to focus on my wife, followed by recomposition.



Sure, the same can be easily accomplished the same without face detection. One can judge the lighting and dial in exposure compensation on just about any camera. Some cameras will allow spot metering, which can accomplish much the same, and still others allow customization in how metering is linked to focus points. However, there is a beautiful simplicity to having the camera automatically properly expose any detected faces in the frame.

I'm not yet sure where features like face detection fit for me. I'll always enjoy the fully manual experience, but new features like face detection have their place. I expect that DVIL (direct view interchangeable lens) cameras will continue to lead the way in implementing these technologies.