Nikon 28/1.8G vs Nikon 28/2 AIS vs Voigtlander 28/2.8 Color Skopar (Cabin #9 Bathroom)
Added to DAP is a detailed study from f/1.8- f/16 using the Nikon AF-S 28/1.8G on the Nikon D800E. This is the same study as the version in Guide to Zeiss, minus the Zeiss 28/2 Distagon.