Introduction Specifications and FeaturesDesigned for Sony’s A7 full-frame mirrorless camera series but also compatible with APS-C size E-mount bodies (where it has a equivalent angle of view to that of 135mm), the 90mm f2.8 Macro G OSS features a complex optical design consisting of 15 elements arranged in 11 groups, and uses aspherical, ED and Super ED elements to combat spherical aberration and distortion, and to reduce color fringing (lateral CA). The lens also has a Nano AR coating, optical image stabilization, a near-silent sonic-type AF system driving two “floating” focus groups for precision close-ups, and adopts
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