C P+, the camera and photo imaging show in Yokohama, is where the Japanese industry shows off its product line-up, and this year a clear division of camera technology into old and new was apparent everywhere.

Some makers - Canon, Nikon and Ricoh-Pentax - are betting on the old single-lens reflex technology of mirror, prism and mechanical shutter in the traditional body form. That is the market segment that seems to be withstanding the general decline in camera sales.

Olympus showed off it's new OMD EM-10.

Panasonic, Olympus and Fujifilm are staking their futures on the mirrorless interchangeable lens (compact system camera, or CSC) form. Olympus showed off its new OMD EM-10 (reviewed last week); Panasonic was wowing the crowd with 4K video from its new top GH4 system camera; and Fujifilm had a long line of potential customers wanting to get their hands on the new X-T1.