The latest patents from Canon, Tamron and Konica Minolta

Canon EF-M 70-400mm f:4.5-7.2 STM lens patent
Canon filed a patent for a EF-M 70-400mm f/4.5-7.2 STM lens designed for APS-C mirrorless camera.

Canon  20-100mm f:4 lens patent
Canon also filed a patent for a 20-100mm f/4 lens designed for APS-C based cameras.

Canon patent for eliminating the star trail during long time exposures
Canon filed a patent for eliminating the star trails during long time exposures of the night sky.

Tamron 18mm f:2.8 macro lens patent
Tamron filed a patent for a 18mm f/2.8 macro lens designed for 1″ sensors (for Nikon 1?).

Konica Minolta filed a patent for a 14-100mm f/3.5-5.6 lens designed for 4/3″ cameras.

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