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.
This is a first impression review of the Tamron AF 100-400mm F4.5-6.3 Di VC USD telephoto lens, adapted to the Sony A7 III with the MC-11 adapter.