Jeff Luo

FYI, The camera he use is a Sony a7s2

I'm waiting for a phone with interchangeable lenses. I don't care if some lenses are bigger than others as long as it's removable and interchangeable.

But Sony is not a camera company

Yes and each Sony camera has two type A card slots, which means the demand is doubled. Very good business for card manufactures.

Maybe the government had this technology long time ago.

This spec of lens requires a very short flange distance to accomplish the perfect design.

Thousands of photos covering every sports in the Olympics, all shot with Sony a1 or a92. http://www.apimages.com/Search?query=Olympics&ss=10&st=kw&entitysearch=&toItem=18&orderBy=Newest&searchMedia ...