Interesting 50mm M lens testing including Nokton 1.1, Nokton 1.2, Nokton 1.5, Nokton 1.5 II, Summilux ASPH, Summicron v5, Zeiss Planar, Zeiss C Sonnar, 7Artisans 1.1, TTArtisans 1.4:
Leica M 50mm lens comparison: 10 fast options - Part 1. Introductions — Focus shift: a street photography blog...