AF Micro-Nikkor 60mm f/2.8D
D800 @ x 0.41
This lens shows excellent central resolution but corners are poor until the lens is stopped down to f/16. This deficiency is less obvious using the D500 DX sensor
Resolution: This lens achieves excellent centre resolution centre at f/3.5 to f/16 but stopping down considerably improves corners
Chromatic Aberration: Moderate from f/8 stopped down
Vignetting: High at f/3.2 but moderate stopped down
Macro Sweet Spot: f/11 (decent corner resolution without too much centre loss)