Introduction Although this lens doesn’t bear the high-end Zeiss logo, this is a G-series lens indicating that the 70-400mm F4-5.6 G SSM II is a premium quality model for professional and advanced amateur use, much like Canon’s L-series. While it’s a full frame lens with a tempting range of focal lengths, it is more likely to appeal to users of the firm’s APS-C SLT cameras where it’s the equivalent of a 105-600mm. As a result, this is a very promising lens for wildlife photographers. With a DxOMark score of 15, the