yuriy.toropin:
Corner & Center Crops of M31 600sec Test Shot with AF-S Nikkor 300mm f2.8 ED-IF II
yuriy.toropin:
AF-S Nikkor 300mm f2.8 ED-IF II Flat Field
yuriy.toropin:
Nikon AF-S Nikkor 300mm f2.8 Field Curvature