On above image you can find forthcoming Canon 4K camera. The company’s expert Hideki Ozawa shows the 4K camera to their loyal consumers. Most probably they will announce in April 2015 in NAB manifest.
If you see above image of camera which looks like DSLR and you can find unique specification such as external viewfinder, 10x optical zoom, aperture is f/2.8-5.6 4k video lens. There are few images of camera which is mentioned below: