The latest patents: Canon full frame mirrorless camera adapter, EF-S 20mm f/2.8 STM and Olympus M.ZUIKO DIGITAL ED 500mm f/4 PRO IS MFT lenses

Canon EF:EF-S adaptor for full frame mirrorless camera patent
This is interesting - Canon filed a patent for a EF/EF-S adaptor designed for a full frame mirrorless camera. Recently Nikon also filed a patent for a full frame mirrorless lens. So yes, it seems that the Sony a7 will not be the only show in town soon.

Canon 20mm f:2.8 STM (EF-S) lens patent
Canon has also a new patent for EF-S 20mm f/2.8 STM lens for APS-C cameras.

Olympus M.ZUIKO DIGITAL ED 500mm f:4 PRO IS MFT lens patent
Olympus patented a M.ZUIKO DIGITAL ED 500mm f/4 PRO IS MFT lens

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