The Sigma 60-600mm F4.5-6.3 DG DN OS Sports for Sony and L-mount cameras has some history behind it. In 2001, the so-called ‘Bigma’ was born – a unique lens for SLRs with a 50-500mm zoom range and an updated version, weighing 1,840g, was launched in 2010. It was eclipsed in 2018 by the Sigma 60-600mm f/4.5-6.3 DG OS HSM Sports, weighing 2.7kg. Sigma chose not to add Sony E and Leica L mount options for mirrorless cameras, instead redesigning the ‘DN’ mirrorless version, which is still a hefty 2,485g.
A similar contender for Sony shooters is the Tamron 50-400mm F4.5-6.3 Di III VXD. This
