Canon's latest lens isn't even on sale yet, and it's already delayed by six months in Japan. The Canon RF 70-200mm f/2.8L IS USM Z, one of its new range of hybrid lenses, was only announced last ...
At 200mm it was not possible to make measurements ... The taller the column, the better the lens performance. CA (Chromatic Aberration) is measured with any in-camera corrections switched off ...