Samuel Gowland:
nikon p ais 500mm F4 at f8
Samuel Gowland:
nikon p ais 500mm F4 at f4
Samuel Gowland:
Sigma 500mm DG F4.5 at F8
Samuel Gowland:
Sigma 500mm DG F4.5 at F4.5
Samuel Gowland:
Sigma 500mm DG F4.5 at F4.5
Samuel Gowland:
Nikon 500mm P F4 at F4
Samuel Gowland:
Sigma 500mm DG at 4.5 at 4.5
Samuel Gowland:
Sigma DG EX 500mm 4.5 + Teleplus 1.4x