The Sigma 100-400mm F5-6.3 for Aviation Photograpy » Sigma 100400 blog photos Koepnick_0002
The F-35 Heritage Flight with a P-51 Mustang at the Duluth Air Show. Sigma 150-600mm Contemporary lens on a Nikon D5. ISO 400; f8 @ 1/2500th second. © Jim Koepnick | 2017