For a limited time, the TTartisan 35mm f/1.4 lenses for Leica M-mount is $100 off (final price: $349, reg. price: $449). This offer is valid only at the official TTartisan online store and AliExpress (they both offer international shipping). Additional information on the TTartisan 35mm f/1.4 lens for Leica M-mount:
TTArtisan 35mm f/1.4 vs. 7Artisans 35mm f/1.4 lenses comparison (video)
TTartisans 35mm f/1.4 lens for Leica M-mount: first sample photos
TTartisan lenses are sold also at:
Via LeicaRumors