The latest patents from Sigma, Canon and Sony
→ Sigma filed a patent for a 50mm f/1.4 DG HSM (FLD) Art lens with zero distortion.
→ Canon has a new patent applications for a lubricating camera body cap.
→ Canon filed a patent for a light field camera (aka plenoptic camera) with a "compound eye” - a combination of lenses of different focal lengths where the focus point can be selected later.
→ Canon filed a patent for a Hexa pixel CMOS AF (do be used in a light field camera?)
Sony two layers sensor patent
Sony sensor patent with phase detection
→ Sony filed a patent of a two-layered sensor with phase difference detection.