Sony's FE Mount Fatal Mistake Drags On
My rather notorious piece critiquing the Sony 35mm format E mount mirrorless system written for Petapixel (from April 2016): https://petapixel.com/2016/04/04/sonys-full-frame-pro-mirrorless-fatal-mistake/ A lot of new information has come to light since especially now that Canon, Nikon, and Panasonic have announced their own 35mm format mirrorless systems. First and foremost there is this presentation by Canon at the time the R mount system was announced: https://dc.watch.impress.co.jp/docs/news/1158578.html The diagram I draw your attention to from Canon's media presentation on the new mirrorless R mount is this: It turns out that based on Canon's optical research that the problem with an 35mm format mount with APS-C mount dimensions isn't just a short flange distance but when this is combined with a narrow mount diameter. Note the way light is forced to diffract awkwardly into the sensor corners. It is surmountable but it also means you need a large len...