While I have a sturdy L-glass with good autofocus (16-35 f4, 70-200 f2.8 II), when it came to fast priming I wasn't overly impressed with the Canon recommend. The 50/1.4 has a USM motor with the structural integrity of cheese, and the 50/1.2, while excellent at times, suffers from color fringing and focus shift issues. What else is there that offers a fast aperture, a floating element, and can provide EXIF data for Canon's native mount? Meet Milvus. I developed my photographic skills on a…