Quite interesting: http://theonlinephotographer.typepad.com/the_online_photographer/2014/12/the-golden-age-an-analysis-of-sonys-sensor-markets.html Another interesting one - Sony vs Fuji: http://theonlinephotographer.typepad.com/the_online_photographer/2014/12/the-big-difference-between-sony-and-fuji.html Cheers Jayanand