Voigtlander Ultron/Nokton review updated
I’ve added new material on Nokton 58/1.4 sample variation, ergonomics, more details on alternatives, and a resolution chart for the 40/2 Ultron aspheri
I like the Voigtlander lenses enough that I’ve purchased my own copies of the 58/1.4 Nokton SL II and 40mm f/2 Ultron Aspheric SL II. If you buy them, please use the links at the top right of this page to help support this site—thank you!
Aside from price (great value) and optical performance (excellent), why might you want the Voigtlander 40/2 Ultron ($379) vs the Zeiss ZF 35/2 Distagon ($826)? Here’s why:

Zeiss ZF 35/2 Distagon vs Cosina Voigtlander 40/2 Ultron aspheric SL II










