©Jim Koepnick 2016 | Engine detail 1- Sigma 70-200 f/2.8 EX DG APO OS HSM lens at 95mm; ISO 400; f4.5 at 1/100 second.
Sigma Blog Koepnick Small Airports0007
Sigma Blog Koepnick Small Airports0007 Sigma Blog Koepnick Small Airports0007 ©Jim Koepnick 2016 | Engine detail 1- Sigma 70-200 f/2.8 EX DG APO OS HSM lens at 95mm; ISO 400; f4.5 at 1/100 second.