New Sigma L-mount Patent: Sigma 50mm f/1.2, Sigma 40mm f/1.2

Japanese website Hi-Lows-Note has find new lens patent for Sigma L-mount full frame mirrorless lenses: Along with recently released Sigma 35mm f/1.2 DG DN Art Lens (B&H Photo Video/Adorama), Sigma also has patent for Sigma 50mm f/1.2 and Sigma 40mm f/1.2 L-mount lenses.

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