Tag Archives: 100-400mm

Sony 100-400mm F4.5-5.6 OSS GM

The Sony 100-400mm GM is a super telephoto lens for full frame E-mount cameras and currently the longest native zoom lens available for this system. GM is short for G Master, Sony’s premium lens line. So is it just an expensive piece of glass or a masterpiece? Let’s find out if Sony is able to match the expectations.

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