The SIGMA 100-400mm F5-6.3 DG OS HSM | Contemporary for Aviation Photography » Sigma 100400 blog photos Koepnick_0001
John Klatt flies the Jack Links Screamin’ Sasquatch Jet Waco at the Duluth Air Show. A wider capture with the Sigma 100-400mm Contemporary lens. ISO 400; f16 @ 1/400th second. © Jim Koepnick | 2017