Description
The Sigma 18-35mm f1.8 DC Art HSM Lens is the first wide-angle zoom lens (as of 22nd April 2013) to achieve a maximum aperture of f/1.8 throughout the entire zoom range. This lens incorporates a wide glass moulded aspherical lens with Special Low Dispersion (SLD) glass to compensate for aberrations and curvature at the widest angle. It has a 9-blade rounded diaphragm to create attractive round bokeh at large-aperture settings, and an inbuilt HSM (Hyper Sonic Motor) that ensures a silent, high-sp
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