Introduction Sony’s full-frame A-mount DSLT models may appear to have fallen behind in popularity when compared with the company’s mirrorless E-mount series, but that hasn’t stopped them from updating two important zoom lenses. This lens and the previously-reviewed Vario-Sonnar 16-35mm f2.8 ZA SSM II have both undergone some relatively minor yet potentially significant refinements.Like its sibling, this lens retains the same complex optical design of its predecessor, with 17 elements, two of which are ED to further reduce color blur, and two aspherical elements to lower spherical aberration and distortion. However, the new mark II version
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