The latest patents from Sigma, Canon and Panasonic

Sigma 17-55mm f:2.8 OS lens patent
→ Sigma filed a patent for a 17-55mm f/2.8 OS lens.

Canon 11-24mm f:3.5-4.5 lens patent
→ Canon filed a patent for a 11-24mm f/3.5-4.5 lens.

Canon 70-300mm f:4-5.6 lens patent
→ Canon got a new patent for a Canon 70-300mm f/4-5.6 lens.

Canon half translucent mirror patent 2 Canon half translucent mirror patent
Canon filed another half-mirror/translucent mirror patent.

Panasonic pop-up antenna type microphone patent
→ Panasonic filed a patent for a pop-up antenna type microphone.

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