The latest patents from Canon, Olympus and Konica Minolta

Canon 200-400mm f:4 lens patent
Canon 280-560mm f:5.6 lens patent
Canon filed a new patent in Japan for a 200-400mm f/4 and 280-560mm f/5.6 lenses with built-in teleconverter and image stabilization.

Olympus Zuiko 4.7-23.5mm f:1.8-2.7 and 4.4-22mm f:1.4-2.4  lens patent
Olympus filed patents for Zuiko 4.7-23.5mm f/1.8-2.7 and 4.4-22mm f/1.4-2.4  lenses designed for 1/2.3" sized sensor.
Konica Minolta 150mm f:2.8 lens patent
Konica Minolta filed a patent for a 150mm f/2.8 lens designed for 4/3" sensor.

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