The latest patents from Sigma, Canon and Sony

Sigma 50mm f : 1.4 DG HSM (FLD) Art lens with zero distortion
→ Sigma filed a patent for a 50mm f/1.4 DG HSM (FLD) Art lens with zero distortion.

Canon lubricating camera body cap patent
Canon has a new patent applications for a lubricating camera body cap.

Canon light field camera patent
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 Hexa pixel CMOS AF patent
Canon filed a patent for a Hexa pixel CMOS AF (do be used in a light field camera?)

Sony two layers sensor patent

Sony two layers sensor patent

Sony sensor patent with pahse detection

Sony sensor patent with phase detection

→ Sony filed a patent of a two-layered sensor with phase difference detection.

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