Photokina, which is one of the largest photography shows on the planet, takes place every other year in Cologne Germany. Not only do major imaging manufacturers present their equipment there, but many companies use the biennial event to introduce new products for the first time.
Popular Photography released this article listing some of the new photographic gear introduced this week:
http://www.popphoto.com/gear/2014/09/photokina-2014-best-new-camera-and-photography-gear