Sigma Advisory: ‘SIGMA 30mm F1.4 DC DN | Contemporary for Micro Four Thirds Mount’ Lens for Customers Using OLYMPUS OM-D E-M1 Mark II Camera 2016-12-30
Sigma Announces 50-100mm Constant Aperture F1.8 and Affordable 30mm F1.4 APS-C High-Performance Mirrorless Lenses 2016-02-23
