Sony filed a patent 2013-54164 for 16-135mm f/3.5-5.6 and 18-135mm f/3.5-5.6 APS-C lenses.
Sony also patented (2013-50630) a half mirror that will not "black out" during exposure.
Canon filed a patent (2013-57802) for a 50mm f/1.4 lens. The patent contains also calculations for a 50mm f/1.2 lens.
Konica Minolta filed a patent (2013-44755) for a 1/2.3 in. curved image sensor.
Olympus filed patent 2013-55378 for a new camera feature that will automatically remove obstacles (such as wire, mesh) that are obstructing the main subject.
