Epson also makes EVFs for mirrorless cameras so it's not that strange that they would innovate in this area. Zeiss were also developing their glasses, not sure

Epson also makes EVFs for mirrorless cameras so it's not that strange that they would innovate in this area. Zeiss were also developing their glasses, not sure how far they got http://www.wired.com/2016/01/zeiss-smart-glasses/ http://www.wired.com/2016/01/zeiss-smart-glasses/