Tag Archives: Sigma 12mm f/1.4

Sigma 28-70mm f/2, 135mm f/1.8, 400mm f/2.8, 14mm f/1.4, 14mm f/1.8, 12mm f/1.4, 10mm f/1.4 Patent Applications Found

Sigma has filed some patents for some interesting Full frame and APS-C lenses which you can check out below:

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