Over at our sibling site I covered the issue of
diffraction limiting digital cameras some time back. If you reduce the aperture setting in your lens beyond a certain point that relates to the pixel pitch of your camera's sensor and your images will get softer because of diffraction.
With 12.3 megapixel Four Thirds and Micro Four Thirds cameras the theoretical diffraction threshold is almost exactly f/8 although in practice I find that f/7.1 is the aperture to aim for. Users of Micro...
