Hands-on review of the Voigtländer Nokton 40mm f/1.2 for Nikon Z-Mount. Testing the Nokton 40mm f/1.2 on the Nikon Zf and comparing it to the Voigtländer Ultron 40mm f/2 SL IIs and Nikkor Z 40mm f/2 SE. Specs, handling, build quality and image quality discussed in this review.