Bought a new Sony 10-18mm f/4 lens (SEL-1018) A strong, in comparison with the whale 16-50, are not so enthusiastic, and compared to the Nikon 16-35mm f / 4G ED AF-S VR Nikkor, however, image degradation at the edges due to the drop in resolution of the SEL-1018 Zaitsev catches well in the presence of bright light sources in the frame or next to it, full-size jpg files at the link:
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