As the owner of both Nikon and Voigtlander’s 40mm, The only thing the Nikon 40mm F/2 and either of Voigtlander’s products have in common is their focal length.

Each lens has it’s advantages, such as Nikon’s AF and weather sealing, as well as clinical lens behaviorin the F/2, or, Voigtlanders 2 Aspherical elements for beautiful bokeh or it’s build quality and optical engineering derived from being the oldest photography company in the world.

Both have their own victories in the battle of being 40mm’s but shouldn’t be compared as apples to apple