The latest patents from Sigma, Olympus, Samsung and Ricoh

Sigma 28-85mm f:3.5-5.6 lens patent
→ Sigma filed a patent application in Japan for a 28-85mm f/3.5-5.6 lens.

Olympus selective exposure patent.
Olympus filed a patent for selective exposure in different areas of the frame.

Samsung patent for camera with transparent display
→ Samsung files patent for camera with transparent display.

Ricoh 0.7x wide converter patent
→ Ricoh filed a patent for a 0.7x wide converter.

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